/* ==========================================================================
   LISTOK AI CHAT INTERFACE - DESIGN SYSTEM
   PREMIUM MINIMALIST STYLE (DEVELOPER-TOOL AESTHETIC)
   ========================================================================== */

:root {
    /* Color Palette - Default Dark Mode (Zinc/Charcoal) */
    --bg-primary: #0b0b0f;
    --bg-secondary: #111116;
    --bg-card: #18181f;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-hover: rgba(255, 255, 255, 0.16);
    --text-primary: #f4f4f7;
    --text-secondary: #a1a1aa;
    --accent: #ffffff;
    --accent-dim: rgba(255, 255, 255, 0.08);
    --bg-hover: rgba(255, 255, 255, 0.04);
    --bg-input: #14141a;
    
    --font-sans: 'Inter', sans-serif;
    --font-mono: 'JetBrains Mono', monospace;
    --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-normal: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 12px;
    --sidebar-width: 260px;
    --header-height: 64px;
}

/* Light Mode Override */
html.light {
    --bg-primary: #ffffff;
    --bg-secondary: #f4f4f7;
    --bg-card: #ffffff;
    --border-color: rgba(9, 9, 11, 0.08);
    --border-hover: rgba(9, 9, 11, 0.16);
    --text-primary: #09090b;
    --text-secondary: #71717a;
    --accent: #09090b;
    --accent-dim: rgba(9, 9, 11, 0.06);
    --bg-hover: rgba(9, 9, 11, 0.04);
    --bg-input: #f4f4f7;
}

/* Reset & Global */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    overflow: hidden;
    -webkit-font-smoothing: antialiased;
    transition: background-color 0.3s cubic-bezier(0.25, 1, 0.5, 1), color 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Global Transition for Theme Switching & Micro-Interactions */
.sidebar, .main-container, .chat-header, .input-field-container, 
.chat-bubble.user .bubble-content, .code-container, .footer-action-btn, 
.new-chat-btn, .send-btn, .header-icon-btn, .sidebar-toggle-btn, .sidebar-open-btn {
    transition: background-color 0.3s cubic-bezier(0.25, 1, 0.5, 1), 
                border-color 0.3s cubic-bezier(0.25, 1, 0.5, 1), 
                color 0.3s cubic-bezier(0.25, 1, 0.5, 1),
                box-shadow 0.3s cubic-bezier(0.25, 1, 0.5, 1),
                transform 0.2s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Custom Scrollbars */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(120, 120, 120, 0.2);
    border-radius: 99px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(120, 120, 120, 0.4);
}

/* Layout */
.app-layout {
    display: flex;
    width: 100vw;
    height: 100vh;
    position: relative;
    overflow: hidden;
}

/* ==========================================================================
   SIDEBAR
   ========================================================================== */
.sidebar {
    width: var(--sidebar-width);
    height: 100%;
    background-color: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 100;
    transition: margin-left 0.45s cubic-bezier(0.16, 1, 0.3, 1), 
                width 0.45s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.45s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
}

.sidebar.collapsed {
    margin-left: calc(-1 * var(--sidebar-width));
    border-right-color: transparent !important;
    overflow: hidden !important;
    pointer-events: none !important;
}

.sidebar-header {
    height: var(--header-height);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    border-bottom: 1px solid transparent;
}

.new-chat-btn {
    flex-grow: 1;
    display: flex;
    align-items: center;
    gap: 8px;
    height: 38px;
    background-color: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: 8px;
    padding: 0 12px;
    cursor: pointer;
    transition: var(--transition-fast);
    margin-right: 8px;
}

.new-chat-btn:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-hover);
}

.sidebar-toggle-btn, .sidebar-open-btn {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.sidebar-open-btn {
    display: flex !important;
    opacity: 1;
    transform: scale(1) translateX(0);
    transition: opacity 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                width 0.4s cubic-bezier(0.16, 1, 0.3, 1), 
                margin 0.4s cubic-bezier(0.16, 1, 0.3, 1) !important;
    overflow: hidden;
    width: 38px;
}

.sidebar-open-btn.hidden {
    display: flex !important;
    opacity: 0 !important;
    transform: translateX(-20px) !important;
    width: 0 !important;
    margin-right: -8px !important;
    padding: 0 !important;
    pointer-events: none !important;
}

.sidebar-toggle-btn:hover, .sidebar-open-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.sidebar-line {
    transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1);
    transform-origin: center;
}
.sidebar-arrow {
    opacity: 0;
    transform: translateX(4px);
    transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.2s ease;
}
.sidebar-arrow-open {
    opacity: 0;
    transform: translateX(-4px);
    transition: transform 0.2s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.2s ease;
}

/* Micro-animations on hover */
.sidebar-toggle-btn:hover .sidebar-line {
    transform: translateX(-1px);
}
.sidebar-toggle-btn:hover .sidebar-arrow {
    opacity: 1;
    transform: translateX(0);
}

.sidebar-open-btn:hover .sidebar-line {
    transform: translateX(1px);
}
.sidebar-open-btn:hover .sidebar-arrow-open {
    opacity: 1;
    transform: translateX(0);
}

.chat-list {
    flex-grow: 1;
    overflow-y: auto;
    padding: 8px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

/* Chat list item */
.chat-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 40px;
    padding: 0 10px;
    border-radius: 8px;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 0.85rem;
    font-weight: 400;
    cursor: pointer;
    transition: var(--transition-fast);
    position: relative;
    user-select: none;
}

.chat-item:hover {
    background-color: var(--bg-hover);
}

.chat-item.active {
    background-color: var(--bg-hover);
    font-weight: 500;
}

.chat-item-title {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex-grow: 1;
    margin-right: 8px;
}

.chat-item-actions {
    display: flex;
    align-items: center;
    gap: 2px;
    opacity: 0;
    transform: translateX(6px);
    transition: opacity var(--transition-fast), transform var(--transition-fast);
    pointer-events: none;
}

.chat-item:hover .chat-item-actions,
.chat-item.active .chat-item-actions {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.chat-item-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    width: 22px;
    height: 22px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 4px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.chat-item-btn:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}

.chat-item-rename-input {
    width: 100%;
    background-color: var(--bg-input);
    border: 1px solid var(--border-hover);
    border-radius: 6px;
    color: var(--text-primary);
    padding: 3px 6px;
    font-family: var(--font-sans);
    font-size: 0.82rem;
    outline: none;
    height: 26px;
    margin-right: 8px;
    flex-grow: 1;
}
.chat-item-rename-input:focus {
    border-color: var(--accent);
}

.sidebar-footer {
    padding: 12px;
    border-top: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.footer-action-btn {
    width: 100%;
    height: 40px;
    display: flex;
    align-items: center;
    gap: 10px;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 500;
    border-radius: 8px;
    padding: 0 12px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.footer-action-btn:hover {
    background-color: var(--bg-hover);
}

/* ==========================================================================
   MAIN WORKSPACE
   ========================================================================== */
.main-container {
    flex-grow: 1;
    height: 100%;
    display: flex;
    flex-direction: column;
    background-color: var(--bg-primary);
    position: relative;
    transition: margin-left var(--transition-normal);
    min-width: 0;
    overflow: hidden;
}

/* Header */
.chat-header {
    height: var(--header-height);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    background-color: var(--bg-primary);
}

.header-left, .header-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.header-brand-title {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-primary);
    letter-spacing: -0.2px;
}

.hidden {
    display: none !important;
}

/* Model Selector */
.model-selector-container {
    position: relative;
}

.model-selector-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    padding: 6px 10px;
    border-radius: 6px;
    transition: var(--transition-fast);
}

.model-selector-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-hover);
}

.chevron-icon {
    opacity: 0.7;
    transition: transform var(--transition-fast);
}

.model-selector-container.active .chevron-icon {
    transform: rotate(180deg);
}

.model-dropdown-list {
    position: absolute;
    top: calc(100% + 6px);
    left: 0;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    width: 300px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    z-index: 200;
    display: flex;
    flex-direction: column;
    padding: 6px;
    animation: fadeIn 0.15s cubic-bezier(0.16, 1, 0.3, 1);
}

.model-dropdown-list button {
    background: transparent;
    border: none;
    border-radius: 8px;
    padding: 10px 12px;
    text-align: left;
    cursor: pointer;
    transition: var(--transition-fast);
}

.model-dropdown-list button:hover {
    background-color: var(--bg-hover);
}

.model-opt-title {
    color: var(--text-primary);
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.model-opt-desc {
    color: var(--text-secondary);
    font-size: 0.75rem;
    line-height: 1.3;
}

/* Header actions icon button */
.header-icon-btn {
    width: 36px;
    height: 36px;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-fast);
}

.header-icon-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

/* ==========================================================================
   WELCOME VIEW
   ========================================================================== */
.chat-viewport {
    flex-grow: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px 24px;
    position: relative;
    width: 100%;
    scrollbar-gutter: stable;
}

.welcome-container {
    max-width: 680px;
    width: 100%;
    margin-top: auto;
    margin-bottom: 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
    padding: 40px 0;
}

.welcome-header {
    text-align: center;
}

.logo-title {
    font-size: 2.8rem;
    font-weight: 700;
    letter-spacing: -1.5px;
    color: var(--text-primary);
    margin-bottom: 8px;
    user-select: none;
}

.logo-subtitle {
    font-size: 0.95rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.suggestions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    width: 100%;
}

.suggestion-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    text-align: left;
    opacity: 0;
    animation: cardSlideIn 0.45s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.suggestion-card:nth-child(1) { animation-delay: 0.05s; }
.suggestion-card:nth-child(2) { animation-delay: 0.1s; }
.suggestion-card:nth-child(3) { animation-delay: 0.15s; }
.suggestion-card:nth-child(4) { animation-delay: 0.2s; }

.suggestion-card:hover {
    border-color: var(--border-hover);
    background-color: var(--bg-hover);
    transform: translateY(-2px) scale(1.01);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

html.light .suggestion-card:hover {
    box-shadow: 0 6px 20px rgba(9, 9, 11, 0.04);
}

.suggestion-text {
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.4;
    padding-right: 12px;
}

.suggestion-arrow {
    color: var(--text-secondary);
    font-size: 0.9rem;
    opacity: 0;
    transform: translateX(-4px);
    transition: all var(--transition-fast);
}

.suggestion-card:hover .suggestion-arrow {
    opacity: 1;
    transform: translateX(0);
}

/* ==========================================================================
   CHAT FEED & BUBBLES
   ========================================================================== */
.chat-feed {
    width: 100%;
    max-width: 680px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    padding-bottom: 80px;
}

.chat-bubble {
    display: flex;
    gap: 16px;
    width: 100%;
    animation: messageSlideIn 0.35s cubic-bezier(0.25, 1, 0.5, 1) forwards;
}

.bubble-avatar {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-weight: 600;
    font-size: 0.75rem;
    user-select: none;
}

.chat-bubble.user {
    justify-content: flex-end;
}

.chat-bubble.user .bubble-avatar {
    background-color: var(--text-secondary);
    color: var(--bg-primary);
    order: 2;
}

.chat-bubble.assistant .bubble-avatar {
    background-image: url('ava.jpg');
    background-size: cover;
    background-position: center;
    color: transparent !important;
}

.bubble-content {
    max-width: calc(100% - 46px);
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.chat-bubble.user .bubble-content {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    padding: 10px 16px;
    border-radius: 18px;
    border-top-right-radius: 4px;
}

.chat-bubble.assistant .bubble-content {
    padding-top: 4px;
    width: 100%;
}

/* Markdown formatting inside chat bubbles */
.msg-text {
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--text-primary);
    word-break: break-word;
}

.msg-text p {
    margin-bottom: 12px;
}
.msg-text p:last-child {
    margin-bottom: 0;
}

.msg-text ul, .msg-text ol {
    margin-bottom: 12px;
    padding-left: 20px;
}

.msg-text li {
    margin-bottom: 6px;
}

.msg-text code {
    font-family: var(--font-mono);
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.85em;
    font-weight: 500;
}

/* Code Blocks Styling */
.code-container {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    margin: 14px 0;
    font-family: var(--font-mono);
}

.code-header {
    height: 34px;
    background-color: rgba(255, 255, 255, 0.02);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 12px;
    font-size: 0.72rem;
    color: var(--text-secondary);
    text-transform: lowercase;
}

.copy-code-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition-fast);
}

.copy-code-btn:hover {
    color: var(--text-primary);
}

.code-content {
    padding: 14px;
    overflow-x: auto;
    font-size: 0.82rem;
    line-height: 1.5;
    color: #e4e4e7;
}

.code-content pre {
    margin: 0;
    font-family: var(--font-mono);
}

/* Cursor typing effect */
.typing-cursor {
    display: inline-block;
    width: 6px;
    height: 14px;
    background-color: var(--text-primary);
    margin-left: 3px;
    animation: blink 0.8s step-end infinite;
    vertical-align: middle;
}

@keyframes blink {
    from, to { background-color: transparent }
    50% { background-color: var(--text-primary) }
}

/* ==========================================================================
   INPUT PANEL
   ========================================================================== */
.input-panel {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 0 24px 20px 24px;
    background: linear-gradient(to top, var(--bg-primary) 80%, transparent);
    z-index: 10;
}

.input-container-wrapper {
    max-width: 680px;
    width: 100%;
    position: relative;
}

.input-field-container {
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 12px 60px 10px 14px; /* Space on the right for absolute send button */
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-field-container:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
}

.input-field-container textarea {
    width: 100%;
    background: transparent;
    border: none;
    outline: none;
    resize: none;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    line-height: 1.5;
    max-height: 200px;
}

.input-field-container textarea::placeholder {
    color: var(--text-secondary);
    opacity: 0.6;
}

.input-actions-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid transparent;
    padding-top: 4px;
}

.input-actions-left {
    display: flex;
    align-items: center;
    gap: 4px;
}

.input-action-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-fast);
}

.input-action-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.send-btn {
    width: 32px;
    height: 32px;
    border-radius: 8px;
    background-color: var(--accent);
    color: var(--bg-primary);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast), opacity var(--transition-fast);
}

.send-btn:hover:not(:disabled) {
    transform: scale(1.05);
}

.send-btn:active:not(:disabled) {
    transform: scale(0.95);
}

.send-btn:disabled {
    background-color: var(--accent-dim);
    color: var(--text-secondary);
    opacity: 0.4;
    cursor: default;
}

.input-disclaimer {
    font-size: 0.7rem;
    color: var(--text-secondary);
    opacity: 0.5;
    text-align: center;
    width: 100%;
    pointer-events: none;
    margin-top: 8px;
}

/* ==========================================================================
   MODAL WINDOW & SETTINGS
   ========================================================================== */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity var(--transition-fast);
}

.modal-window {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    width: 90%;
    max-width: 460px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
    overflow: hidden;
    animation: modalSlideIn 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes modalSlideIn {
    from { transform: translateY(12px) scale(0.98); opacity: 0; }
    to { transform: translateY(0) scale(1); opacity: 1; }
}

.modal-header {
    height: var(--header-height);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
}

.modal-title {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

.modal-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.settings-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.settings-label {
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.settings-desc {
    font-size: 0.72rem;
    color: var(--text-secondary);
    opacity: 0.8;
}

/* Theme Option Grid inside settings */
.theme-options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 8px;
}

.theme-opt-btn {
    height: 38px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    cursor: pointer;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    transition: var(--transition-fast);
}

.theme-opt-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.theme-opt-btn.active {
    border-color: var(--accent);
    color: var(--text-primary);
    background-color: var(--bg-hover);
}

/* Slider */
.slider-container {
    display: flex;
    align-items: center;
    gap: 12px;
}

.slider-container input[type="range"] {
    flex-grow: 1;
    accent-color: var(--text-primary);
    cursor: pointer;
}

.slider-value {
    font-family: var(--font-mono);
    font-size: 0.88rem;
    color: var(--text-primary);
    min-width: 24px;
}

/* Clear Danger Zone */
.clear-danger-zone {
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

.danger-text {
    color: #ef4444 !important;
}

.danger-btn {
    height: 38px;
    background-color: rgba(239, 68, 68, 0.08);
    border: 1px solid rgba(239, 68, 68, 0.2);
    color: #ef4444;
    border-radius: 6px;
    cursor: pointer;
    font-family: var(--font-sans);
    font-weight: 500;
    font-size: 0.85rem;
    transition: var(--transition-fast);
}

.danger-btn:hover {
    background-color: #ef4444;
    color: #ffffff;
    border-color: #ef4444;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(4px); }
    to { opacity: 1; transform: translateY(0); }
}

/* ==========================================================================
   MOBILE & RESPONSIVE LAYOUT ADJUSTMENTS
   ========================================================================== */
@media (max-width: 768px) {
    html, body {
        position: fixed !important;
        overflow: hidden !important;
        width: 100% !important;
        height: 100% !important;
        overscroll-behavior: none !important;
    }
    
    .sidebar {
        position: fixed;
        left: 0;
        top: 0;
        bottom: 0;
        margin-left: 0 !important;
        transform: translateX(-100%);
        box-shadow: 10px 0 30px rgba(0, 0, 0, 0.3);
        transition: transform 0.45s cubic-bezier(0.16, 1, 0.3, 1) !important;
    }
    
    .sidebar.active {
        transform: translateX(0);
    }
    
    .sidebar-open-btn {
        display: flex !important;
    }
    
    /* Mobile-optimized suggestion cards */
    .suggestions-grid {
        grid-template-columns: 1fr !important;
        gap: 10px !important;
    }
    
    .suggestion-card {
        padding: 12px 14px !important;
        min-height: 70px !important;
        gap: 6px !important;
    }
    
    .welcome-container {
        padding: 10px 0 !important;
        gap: 20px !important;
        margin-top: auto;
        margin-bottom: auto;
    }
    
    .logo-title {
        font-size: 1.8rem !important;
    }
    
    .logo-subtitle {
        font-size: 0.85rem !important;
    }
    
    /* Responsive inputs and paddings */
    .chat-viewport {
        padding: 16px 12px !important;
    }
    
    .chat-header {
        padding: 0 16px !important;
    }
    
    .input-panel {
        padding: 0 12px 12px 12px !important;
    }
    
    /* Make actions bar visible by default on mobile since hover is not possible */
    .msg-actions-bar {
        opacity: 0.75 !important;
    }
    
    /* Mobile Artifacts overlay frame */
    .artifacts-panel {
        --panel-width: 100% !important;
        width: 100% !important;
        max-width: 100vw !important;
        position: fixed !important;
        right: 0 !important;
        top: 0 !important;
        bottom: 0 !important;
        z-index: 1000 !important;
        border-left: none !important;
    }
    .artifacts-panel.collapsed {
        margin-right: -100% !important;
        transform: none !important;
    }
    .artifacts-resizer {
        display: none !important;
    }
    
    /* Mobile Preview Overrides to make it look great on real mobile screen */
    #artifacts-device-bar {
        display: none !important;
    }
    .artifacts-body {
        padding: 0 !important;
    }
    .emulator-iframe-wrapper.device-mode {
        border: none !important;
        border-radius: 0 !important;
        box-shadow: none !important;
        width: 100% !important;
        height: 100% !important;
        transform: none !important;
    }
    .emulator-iframe-wrapper.device-mode iframe {
        border-radius: 0 !important;
    }
    /* Hide device notch/island pseudo elements on mobile */
    .emulator-iframe-wrapper.frame-notch::after,
    .emulator-iframe-wrapper.frame-dynamic-island::after,
    .emulator-iframe-wrapper.frame-bezel::before,
    .emulator-iframe-wrapper.frame-bezel::after,
    .emulator-iframe-wrapper.frame-android-hole::after {
        display: none !important;
    }
}

/* ==========================================================================
   INTERACTIVE TYPING INDICATOR & PREMIUM ANIMATIONS
   ========================================================================== */
.typing-indicator {
    display: flex;
    align-items: center;
    gap: 4px;
    height: 20px;
    padding-left: 4px;
}

.typing-indicator span {
    width: 6px;
    height: 6px;
    background-color: var(--text-secondary);
    border-radius: 50%;
    display: inline-block;
    animation: bounceWave 1.2s infinite ease-in-out;
}

.typing-indicator span:nth-child(1) { animation-delay: 0s; }
.typing-indicator span:nth-child(2) { animation-delay: 0.15s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.3s; }

@keyframes bounceWave {
    0%, 100% {
        transform: translateY(0);
        opacity: 0.3;
    }
    50% {
        transform: translateY(-6px);
        opacity: 1;
    }
}

@keyframes cardSlideIn {
    from { opacity: 0; transform: translateY(12px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes messageSlideIn {
    from { opacity: 0; transform: translateY(16px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Settings Tabs & Dialog Layout */
.settings-modal-window {
    max-width: 640px !important;
    width: 95% !important;
}

.settings-layout-body {
    display: flex !important;
    flex-direction: row !important;
    padding: 0 !important;
    gap: 0 !important;
    height: 420px;
}

.settings-tabs-sidebar {
    width: 160px;
    border-right: 1px solid var(--border-color);
    background-color: rgba(0, 0, 0, 0.05);
    display: flex;
    flex-direction: column;
    padding: 16px 8px;
    gap: 6px;
    flex-shrink: 0;
}

html.light .settings-tabs-sidebar {
    background-color: rgba(9, 9, 11, 0.02);
}

.tab-nav-btn {
    display: flex;
    align-items: center;
    gap: 10px;
    height: 38px;
    padding: 0 12px;
    border-radius: 8px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    text-align: left;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.tab-nav-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.tab-nav-btn.active {
    background-color: var(--bg-hover);
    color: var(--text-primary);
    font-weight: 600;
}

.tab-nav-btn svg {
    flex-shrink: 0;
    opacity: 0.8;
}

.settings-tab-content {
    flex-grow: 1;
    padding: 24px;
    overflow-y: auto;
    background-color: var(--bg-secondary);
}

.settings-pane {
    display: none;
    flex-direction: column;
    gap: 20px;
    animation: fadeIn var(--transition-fast) ease-out;
}

.settings-pane.active {
    display: flex;
}

/* Profile card inside Account Settings */
.profile-card {
    display: flex;
    align-items: center;
    gap: 16px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    padding: 16px;
    margin-bottom: 8px;
}

.profile-avatar-large {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background-color: var(--accent);
    color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    font-weight: 700;
}

.profile-details {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.profile-name {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-primary);
}

.profile-email {
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.profile-plan-badge {
    font-size: 0.68rem;
    font-weight: 700;
    color: #ffffff;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 2px;
}

/* Authentication Providers */
.auth-section {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 8px;
}

.auth-section-title {
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.auth-buttons-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.auth-provider-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 38px;
    border-radius: 8px;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.auth-provider-btn:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-hover);
}

.auth-provider-btn.google svg, .auth-provider-btn.telegram svg {
    margin-right: 8px;
}

/* Dropdown/Select fields in General settings */
.settings-select {
    height: 38px;
    border-radius: 8px;
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    padding: 0 10px;
    outline: none;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.settings-select:hover, .settings-select:focus {
    border-color: var(--border-hover);
}

/* Custom general buttons inside settings */
.settings-btn {
    height: 38px;
    border-radius: 8px;
    background-color: var(--accent);
    color: var(--bg-primary);
    border: none;
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.settings-btn:hover {
    opacity: 0.9;
}

.settings-btn:active {
    transform: scale(0.98);
}

/* Danger actions arrangement */
.danger-actions-row {
    display: flex;
    gap: 10px;
}

.danger-actions-row .danger-btn {
    flex: 1;
}

.danger-btn.outline {
    background-color: transparent !important;
    border: 1px solid rgba(239, 68, 68, 0.4) !important;
    color: #ef4444 !important;
}

.danger-btn.outline:hover {
    background-color: rgba(239, 68, 68, 0.08) !important;
    border-color: #ef4444 !important;
}

/* Settings Popover Menu */
.settings-popup {
    position: absolute;
    bottom: 68px; /* Lifted slightly to prevent covering settings button */
    left: 12px;
    right: 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    z-index: 110;
    transition: opacity 0.25s cubic-bezier(0.25, 1, 0.5, 1), transform 0.25s cubic-bezier(0.25, 1, 0.5, 1), visibility 0.25s cubic-bezier(0.25, 1, 0.5, 1);
    transform-origin: bottom center;
    visibility: visible;
    opacity: 1;
}
.settings-popup.hidden {
    opacity: 0;
    transform: translateY(10px) scale(0.95);
    pointer-events: none;
    visibility: hidden;
}
.settings-popup button {
    display: flex;
    align-items: center;
    gap: 10px;
    width: 100%;
    height: 38px;
    background: transparent;
    border: none;
    border-radius: 6px;
    color: var(--text-primary);
    padding: 0 12px;
    cursor: pointer;
    font-size: 0.88rem;
    font-family: var(--font-sans);
    transition: var(--transition-fast);
    text-align: left;
}
.settings-popup button:hover {
    background-color: var(--bg-hover);
}
.settings-popup button svg {
    color: var(--text-secondary);
}
.settings-popup button:hover svg {
    color: var(--text-primary);
}
.settings-popup .popup-divider {
    height: 1px;
    background-color: var(--border-color);
    margin: 4px 6px;
}
.settings-popup .user-profile-info {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
}
.settings-popup .profile-avatar-small {
    width: 32px;
    height: 32px;
    background-color: var(--accent);
    color: #ffffff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: 0.85rem;
}
.settings-popup .profile-name-small {
    font-weight: 600;
    font-size: 0.82rem;
    color: var(--text-primary);
}
.settings-popup .profile-email-small {
    font-size: 0.72rem;
    color: var(--text-secondary);
}

/* Send Button Wrapper Centering */
.send-btn-wrapper {
    position: absolute;
    right: 14px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

/* Photo Upload Preview Area styling */
.photo-preview-area {
    padding: 4px 0;
    display: flex;
    gap: 8px;
    animation: fadeIn var(--transition-fast);
}
.photo-preview-container {
    position: relative;
    width: 60px;
    height: 60px;
    border-radius: 8px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}
.photo-preview-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.remove-photo-btn {
    position: absolute;
    top: 2px;
    right: 2px;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: rgba(0, 0, 0, 0.65);
    color: #ffffff;
    border: none;
    font-size: 11px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-weight: bold;
    line-height: 1;
    transition: var(--transition-fast);
}
.remove-photo-btn:hover {
    background-color: rgba(239, 68, 68, 0.9);
}

/* Chat bubble uploaded image render styling */
.msg-image {
    max-width: 320px;
    max-height: 240px;
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    margin-bottom: 8px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    animation: fadeIn var(--transition-normal);
}
.msg-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Voice Recording Visualizer Overlay */
.voice-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(6, 8, 12, 0.95);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    z-index: 1200;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.3s ease;
}
.voice-shell {
    display: flex;
    flex-direction: column;
    align-items: center;
    position: relative;
    width: 90%;
    max-width: 400px;
}
.voice-close-btn {
    position: absolute;
    top: -40px;
    right: 0;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-size: 2rem;
    cursor: pointer;
    line-height: 1;
    transition: var(--transition-fast);
}
.voice-close-btn:hover {
    color: var(--text-primary);
}
.voice-status {
    font-family: var(--font-sans);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.2px;
}
.voice-visualizer-container {
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 40px;
}
#voice-canvas {
    width: 300px;
    height: 300px;
}
.voice-actions {
    display: flex;
    gap: 32px;
}
.voice-btn-action {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition-normal);
}
.voice-btn-action.cancel {
    background-color: rgba(255, 255, 255, 0.08);
    color: var(--text-primary);
}
.voice-btn-action.cancel:hover {
    background-color: rgba(239, 68, 68, 0.2);
    color: #ef4444;
    transform: scale(1.05);
}
.voice-btn-action.stop {
    background-color: var(--accent);
    color: var(--bg-primary);
    box-shadow: 0 4px 20px var(--accent-glow);
}
.voice-btn-action.stop:hover {
    background-color: #ffffff;
    color: #000000;
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(255, 255, 255, 0.3);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* ==========================================================================
   SPLASH LOADING SCREEN
   ========================================================================== */
.splash-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 1;
    transition: opacity 0.5s cubic-bezier(0.25, 1, 0.5, 1);
}
.splash-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}
.splash-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}
.splash-logo {
    font-family: var(--font-mono);
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--text-main, #f3f4f6);
    letter-spacing: -1px;
    background: linear-gradient(135deg, var(--accent, #5e84fc) 20%, var(--accent-purple, #c084fc) 80%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    filter: drop-shadow(0 2px 10px rgba(94, 132, 252, 0.3));
    animation: pulseLogo 2s infinite alternate;
}
.splash-spinner {
    position: relative;
    width: 50px;
    height: 50px;
}
.spinner-ring {
    width: 100%;
    height: 100%;
    border: 2px solid rgba(255, 255, 255, 0.05);
    border-top: 2px solid #ffffff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}


@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
@keyframes pulseLogo {
    from { transform: scale(0.98); filter: drop-shadow(0 2px 10px rgba(94, 132, 252, 0.3)); }
    to { transform: scale(1.02); filter: drop-shadow(0 2px 20px rgba(192, 132, 252, 0.5)); }
}
@keyframes pulseDot {
    from { opacity: 0.4; }
    to { opacity: 1; }
}

/* ==========================================================================
   AUTHENTICATION SCREEN (CLAUDE-STYLE)
   ========================================================================== */
.auth-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: var(--bg-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9990;
    opacity: 1;
    transition: opacity 0.4s ease;
}
.auth-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}
.auth-card {
    position: relative;
    background: rgba(13, 18, 30, 0.5);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    max-width: 420px;
    width: 90%;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    box-shadow: inset 0 1px 1px rgba(255, 255, 255, 0.05), 0 25px 60px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    animation: modalSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.auth-title {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 10px;
    letter-spacing: -0.5px;
}
.auth-subtitle {
    font-family: var(--font-sans);
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 32px;
    opacity: 0.8;
}
.social-login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 44px;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.92rem;
    font-weight: 500;
    cursor: pointer;
    margin-bottom: 12px;
    transition: var(--transition-fast);
}
.social-login-btn:hover {
    background-color: var(--bg-hover);
    border-color: var(--border-hover);
}
.social-login-btn.google {
    background-color: rgba(255, 255, 255, 0.03);
    border-color: var(--border-color);
    color: var(--text-primary);
    width: 238px;
    height: 40px;
    margin-left: auto;
    margin-right: auto;
}
.social-login-btn.google:hover {
    background-color: #ffffff;
    color: #0b0b0f;
    border-color: #ffffff;
}
.social-login-btn.telegram {
    background-color: rgba(94, 132, 252, 0.06);
    border-color: rgba(94, 132, 252, 0.2);
    color: #5e84fc;
}
.social-login-btn.telegram:hover {
    background-color: #5e84fc;
    color: #06080c;
}
.auth-divider {
    display: flex;
    align-items: center;
    width: 100%;
    margin: 20px 0;
    color: var(--text-secondary);
    font-size: 0.8rem;
    opacity: 0.5;
}
.auth-divider::before, .auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--border-color);
}
.auth-divider span {
    padding: 0 10px;
}
#auth-email-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.auth-input-group input {
    width: 100%;
    height: 44px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 0 16px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.92rem;
    outline: none;
    transition: var(--transition-fast);
}
.auth-input-group input:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
}
.auth-submit-btn {
    width: 100%;
    height: 44px;
    background-color: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: 12px;
    font-family: var(--font-sans);
    font-size: 0.92rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}
.auth-submit-btn:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 15px var(--accent-glow);
}
.auth-footer-terms {
    font-size: 0.72rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-top: 32px;
    opacity: 0.5;
}
.auth-footer-terms a {
    color: var(--text-primary);
    text-decoration: underline;
}

/* ==========================================================================
   PRICING MODAL STYLING (CHATGPT UPGRADE-STYLE)
   ========================================================================== */
.pricing-modal-window {
    max-width: 840px !important;
    width: 95% !important;
}
.pricing-modal-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 16px 28px 8px 28px;
}
.pricing-columns-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    width: 100%;
    margin-top: 8px;
}
@media (max-width: 768px) {
    .pricing-columns-grid {
        grid-template-columns: 1fr;
        max-height: 60vh;
        overflow-y: auto;
        padding-right: 8px;
    }
    .pricing-modal-window {
        max-width: 440px !important;
    }
}
.pricing-column-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: flex-start;
    text-align: left;
    transition: var(--transition-normal);
    min-height: 380px;
}
.pricing-column-card:hover {
    border-color: var(--border-hover);
}
.pricing-column-card.active-card {
    border-color: var(--accent);
    background-color: rgba(255, 255, 255, 0.02);
}
.card-plan-header {
    width: 100%;
    margin-bottom: 20px;
}
.card-plan-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.card-badge {
    font-size: 0.65rem;
    padding: 2px 6px;
    border-radius: 6px;
    background-color: rgba(234, 179, 8, 0.15);
    color: #eab308;
    font-weight: 600;
    text-transform: uppercase;
}
.card-plan-price {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 2px;
    transition: opacity 0.15s ease;
}
.card-plan-period {
    font-size: 0.78rem;
    color: var(--text-secondary);
    opacity: 0.7;
}
.card-plan-features {
    list-style: none;
    padding: 0;
    margin: 0 0 24px 0;
    width: 100%;
    flex-grow: 1;
}
.card-plan-features li {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 10px;
    padding-left: 18px;
    position: relative;
    line-height: 1.4;
}
.card-plan-features li::before {
    content: "✓";
    position: absolute;
    left: 0;
    top: 0;
    color: var(--text-primary);
    font-weight: 600;
}
.card-plan-action-btn {
    width: 100%;
    height: 40px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background-color: transparent;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}
.card-plan-action-btn:hover:not(:disabled) {
    background-color: var(--accent);
    color: var(--bg-primary);
    border-color: var(--accent);
}
.card-plan-action-btn.current {
    background-color: rgba(255, 255, 255, 0.05);
    color: var(--text-secondary);
    border-color: transparent;
    cursor: default;
}
.change-plan-link {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.78rem;
    text-decoration: underline;
    cursor: pointer;
    padding: 0;
    margin-left: 8px;
    opacity: 0.8;
    transition: var(--transition-fast);
}
.change-plan-link:hover {
    color: var(--text-primary);
}

.billing-cycle-selector {
    display: flex;
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 99px;
    padding: 4px;
    position: relative;
    height: 40px;
    width: 180px;
}
.billing-cycle-btn {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 600;
    cursor: pointer;
    z-index: 2;
    transition: color 0.3s ease;
}
.billing-cycle-btn.active-cycle {
    color: var(--text-primary);
}
.billing-cycle-slider {
    position: absolute;
    inset: 4px;
    width: calc(50% - 4px);
    background-color: rgba(255, 255, 255, 0.08);
    border-radius: 99px;
    z-index: 1;
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

/* ==========================================================================
   INLINE VOICE VISUALIZER & SETTINGS UPGRADE PILL STYLING
   ========================================================================== */
.voice-input-active-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    height: 100%;
    background: transparent;
    border: none;
    padding: 0;
    margin: 0;
}
.input-field-container.voice-active {
    border-radius: 9999px !important;
    padding: 0 10px 0 16px !important;
    height: 40px !important;
    display: flex !important;
    flex-direction: row !important;
    align-items: center !important;
    gap: 0 !important;
    justify-content: space-between !important;
    border-style: solid !important;
    box-shadow: none !important;
}
.voice-plus-icon {
    background: none;
    border: none;
    color: var(--text-secondary);
    opacity: 0.4;
    font-size: 1.1rem;
    padding: 0;
    margin-right: 12px;
    cursor: default;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
}
.voice-visualizer-wrapper {
    flex-grow: 1;
    display: flex;
    align-items: center;
    overflow: hidden;
    height: 100%;
}
#voice-canvas {
    width: 100%;
    height: 24px;
    display: block;
}
.voice-cancel-btn {
    background: none;
    border: none;
    color: var(--text-secondary);
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.2s ease;
    padding: 0;
    margin-left: 6px;
    flex-shrink: 0;
}
.voice-submit-btn {
    background-color: var(--accent);
    color: var(--bg-input);
    border: none;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color var(--transition-fast), transform var(--transition-fast);
    padding: 0;
    margin-left: 8px;
    flex-shrink: 0;
}
.voice-cancel-btn svg,
.voice-submit-btn svg {
    display: block;
}
.voice-cancel-btn:hover {
    background-color: rgba(255, 255, 255, 0.08);
    color: #ef4444;
}
.voice-submit-btn:hover {
    transform: scale(1.05);
    background-color: rgba(255, 255, 255, 0.9);
}
.voice-submit-btn:active {
    transform: scale(0.95);
}
.voice-timer {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin: 0 16px;
    user-select: none;
}

.settings-upgrade-pill {
    background-color: var(--accent);
    color: var(--bg-primary);
    border: none;
    border-radius: 99px;
    padding: 4px 10px;
    font-family: var(--font-sans);
    font-size: 0.72rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}
.settings-upgrade-pill:hover {
    background-color: #ffffff;
    transform: translateY(-1px);
}

/* Sidebar Chat Search Styles */
.chat-search-container {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 8px 16px 12px 16px;
    padding: 8px 12px;
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    transition: var(--transition-fast);
}

.chat-search-container:focus-within {
    border-color: var(--border-hover);
    box-shadow: 0 0 0 1px var(--border-hover);
}

.chat-search-container .search-icon {
    color: var(--text-secondary);
    opacity: 0.7;
    flex-shrink: 0;
}

.chat-search-container input {
    background: none;
    border: none;
    outline: none;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    width: 100%;
    padding: 0;
}

.chat-search-container input::placeholder {
    color: var(--text-secondary);
    opacity: 0.5;
}

#clear-search-btn {
    background: none;
    border: none;
    outline: none;
    color: var(--text-secondary);
    font-size: 1.1rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0.6;
    transition: var(--transition-fast);
}

#clear-search-btn:hover {
    color: var(--text-primary);
    opacity: 1;
}

/* Chat list items transition animation */
.chat-item {
    transition: opacity 0.25s ease, transform 0.25s ease, background-color 0.2s ease, height 0.25s ease, margin 0.25s ease, padding 0.25s ease;
}

.chat-item.filtered-out {
    opacity: 0;
    transform: scale(0.95);
    height: 0;
    margin: 0;
    padding: 0;
    border: none;
    pointer-events: none;
    overflow: hidden;
}

/* Regenerate response button styles */
.msg-actions-bar {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-top: 2px;
    opacity: 0;
    transition: opacity 0.25s ease;
}

.chat-bubble.assistant .msg-actions-bar {
    margin-left: -8px;
}

.chat-bubble.user .msg-actions-bar {
    margin-right: 8px;
}

.chat-bubble:hover .msg-actions-bar {
    opacity: 1;
}

.msg-action-btn-small {
    background: none;
    border: none;
    outline: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.72rem;
    font-family: var(--font-sans);
    padding: 4px 8px;
    border-radius: 4px;
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.msg-action-btn-small:hover {
    color: var(--text-primary);
    background: none;
    border-color: transparent;
}

.msg-action-btn-small svg {
    transition: transform 0.35s ease;
}

.msg-action-btn-small:hover svg.spin-on-hover {
    transform: rotate(180deg);
}

/* Premium styling overrides for Prism code blocks to integrate with Listok */
pre[class*="language-"] {
    background: rgba(10, 10, 10, 0.6) !important;
    border: none !important;
    border-radius: 0 0 12px 12px !important;
    margin: 0 !important;
    padding: 16px !important;
    font-family: var(--font-mono) !important;
    font-size: 0.88rem !important;
}

code[class*="language-"] {
    font-family: var(--font-mono) !important;
    text-shadow: none !important;
}

.code-container {
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 8px;
}

.code-container .code-header {
    border-bottom: 1px solid var(--border-color);
    background-color: rgba(20, 20, 20, 0.8);
    padding: 8px 16px;
}

/* Onboarding Screen styling */
.onboarding-screen {
    position: fixed;
    inset: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-primary);
    background-image: 
        radial-gradient(at 10% 20%, rgba(255, 255, 255, 0.03) 0px, transparent 50%),
        radial-gradient(at 90% 80%, rgba(255, 255, 255, 0.02) 0px, transparent 50%);
    transition: opacity 0.4s ease;
}

.onboarding-screen.fade-out {
    opacity: 0;
    pointer-events: none;
}

.onboarding-card {
    background-color: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 20px;
    padding: 40px;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.onboarding-steps-indicator {
    display: flex;
    justify-content: center;
    gap: 8px;
}

.step-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--border-color);
    transition: all 0.3s ease;
}

.step-dot.active {
    background-color: var(--text-primary);
    width: 24px;
    border-radius: 4px;
}

.onboarding-step-pane {
    display: none;
    flex-direction: column;
    gap: 20px;
}

.onboarding-step-pane.active {
    display: flex;
    animation: fadeIn 0.35s ease forwards;
}

.onboarding-title {
    font-family: var(--font-sans);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    text-align: center;
    margin: 0;
}

.onboarding-subtitle {
    font-family: var(--font-sans);
    font-size: 0.88rem;
    color: var(--text-secondary);
    text-align: center;
    line-height: 1.5;
    margin: 0 0 10px 0;
}

.onboarding-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.onboarding-input-group label {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.onboarding-input-group input {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 16px;
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    outline: none;
    transition: var(--transition-fast);
}

.onboarding-input-group input:focus {
    border-color: var(--border-hover);
}

.onboarding-next-btn, .onboarding-submit-btn {
    background-color: var(--text-primary);
    color: var(--bg-primary);
    border: none;
    border-radius: 8px;
    padding: 12px 24px;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
}

.onboarding-next-btn:hover, .onboarding-submit-btn:hover {
    background-color: #ffffff;
    transform: translateY(-1px);
}

.onboarding-actions-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 16px;
    margin-top: 10px;
}

.onboarding-back-btn {
    background: none;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 12px 24px;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition-fast);
}

.onboarding-back-btn:hover {
    border-color: var(--border-hover);
    color: var(--text-primary);
}

.preferences-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.preference-chip {
    background-color: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 14px 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 8px;
    cursor: pointer;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.preference-chip:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
}

.preference-chip.selected {
    border-color: var(--accent);
    background-color: rgba(255, 255, 255, 0.03);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.05);
}

.preference-chip .chip-icon {
    color: var(--text-secondary);
    transition: var(--transition-fast);
}

.preference-chip.selected .chip-icon {
    color: var(--accent);
}

.preference-chip .chip-label {
    font-family: var(--font-sans);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--text-secondary);
    text-align: center;
    transition: var(--transition-fast);
}

.preference-chip.selected .chip-label {
    color: var(--text-primary);
}



/* OTP Verification Custom Styles */
.otp-container {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin: 24px 0 16px 0;
    width: 100%;
}
.otp-cell {
    width: 44px;
    height: 48px;
    background-color: var(--bg-input);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    text-align: center;
    font-size: 1.35rem;
    font-weight: 700;
    font-family: var(--font-mono);
    color: var(--text-primary);
    outline: none;
    transition: var(--transition-fast);
}
.otp-cell:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
    background-color: var(--bg-hover);
}

.otp-cell.otp-error {
    border-color: #ef4444 !important;
    box-shadow: 0 0 0 2px rgba(239, 68, 68, 0.25), 0 0 8px rgba(239, 68, 68, 0.2) !important;
    background-color: rgba(239, 68, 68, 0.05) !important;
    animation: otpShake 0.4s ease-in-out;
}

.otp-cell.otp-success {
    border-color: var(--accent) !important;
    box-shadow: 0 0 0 2px var(--accent-dim), 0 0 8px var(--accent-dim) !important;
    background-color: var(--bg-hover) !important;
    animation: otpPulse 0.6s ease-in-out infinite alternate;
}

.otp-error-msg {
    font-size: 0.82rem;
    color: #ef4444;
    margin-top: 10px;
    margin-bottom: 8px;
    font-weight: 500;
    transition: opacity 0.25s ease, transform 0.25s ease;
    animation: slideDownFade 0.25s ease forwards;
}

.otp-error-msg.hidden {
    display: none !important;
}

@keyframes otpShake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-4px); }
    40%, 80% { transform: translateX(4px); }
}

@keyframes otpPulse {
    0% {
        box-shadow: 0 0 0 2px var(--accent-dim), 0 0 4px rgba(255, 255, 255, 0.05);
    }
    100% {
        box-shadow: 0 0 0 4px var(--accent-dim), 0 0 12px rgba(255, 255, 255, 0.1);
    }
}

@keyframes slideDownFade {
    from {
        opacity: 0;
        transform: translateY(-5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}
.auth-otp-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    animation: fadeIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}
.auth-otp-form.hidden {
    display: none !important;
}
.auth-otp-msg {
    font-size: 0.9rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 8px 0 4px 0;
    text-align: center;
}
.auth-back-btn {
    position: absolute;
    top: 24px;
    left: 24px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    transition: var(--transition-fast);
    padding: 0;
    opacity: 0.8;
}
.auth-back-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-hover);
    opacity: 1;
}


/* ==========================================
   DYNAMIC BACKGROUND GLOWS (LAVA LAMP)
   ========================================== */
.glow-blobs-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
    z-index: -1;
    pointer-events: none;
    background-color: var(--bg-primary);
}
.glow-blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.12;
    transition: background-color 0.8s ease;
}
html.light .glow-blob {
    opacity: 0.04; /* subtle in light mode */
}
.glow-blob-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #5e84fc 0%, rgba(94,132,252,0) 70%);
    top: -10%;
    left: -10%;
    animation: driftBlob1 25s infinite alternate ease-in-out;
}
.glow-blob-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #a855f7 0%, rgba(168,85,247,0) 70%);
    bottom: -15%;
    right: -10%;
    animation: driftBlob2 30s infinite alternate ease-in-out;
}
.glow-blob-3 {
    width: 350px;
    height: 350px;
    background: radial-gradient(circle, #ec4899 0%, rgba(236,72,153,0) 70%);
    top: 40%;
    left: 50%;
    animation: driftBlob3 20s infinite alternate ease-in-out;
}

@keyframes driftBlob1 {
    0% { transform: translate(0, 0) scale(1); }
    100% { transform: translate(150px, 100px) scale(1.2); }
}
@keyframes driftBlob2 {
    0% { transform: translate(0, 0) scale(1.1); }
    100% { transform: translate(-200px, -150px) scale(0.9); }
}
@keyframes driftBlob3 {
    0% { transform: translate(0, 0) scale(0.9); }
    100% { transform: translate(-100px, 120px) scale(1.1); }
}

/* Glassmorphic Sidebar Enhancement */
.sidebar {
    background: rgba(17, 17, 22, 0.7) !important;
    backdrop-filter: blur(12px) !important;
    -webkit-backdrop-filter: blur(12px) !important;
    border-right: 1px solid var(--border-color) !important;
}
html.light .sidebar {
    background: rgba(244, 244, 247, 0.7) !important;
}

/* ==========================================
   IDE-STYLE CODE BLOCKS
   ========================================== */
.code-container {
    border-radius: 12px;
    border: 1px solid var(--border-color);
    background-color: #0b0b0f !important;
    margin: 16px 0;
    overflow: hidden;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
}
.code-header {
    background-color: #121218 !important;
    border-bottom: 1px solid var(--border-color);
    height: 36px;
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.code-header-left {
    display: flex;
    align-items: center;
    gap: 6px;
}
.mac-dot {
    width: 9px;
    height: 9px;
    border-radius: 50%;
}
.mac-dot.red, .mac-dot.yellow, .mac-dot.green { background-color: #ffffff; opacity: 0.55; }

.code-header span.lang-name {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-left: 8px;
}
.copy-code-btn {
    color: var(--text-secondary);
    background: transparent;
    border: none;
    font-family: var(--font-sans);
    font-size: 0.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 4px 8px;
    border-radius: 6px;
    transition: var(--transition-fast);
}
.copy-code-btn:hover {
    color: var(--text-primary);
    background-color: var(--bg-hover);
}
.copy-code-btn.success {
    color: var(--text-primary) !important;
}

/* ==========================================
   MICRO-ANIMATIONS & TRANSITIONS
   ========================================== */
/* Rotating Sun/Moon theme button */
.header-icon-btn svg {
    transition: transform 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.header-icon-btn:active svg {
    transform: rotate(45deg);
}

/* Chat bubble entry transition */
.chat-bubble {
    animation: bubbleEntry 0.35s cubic-bezier(0.16, 1, 0.3, 1) forwards;
    opacity: 0;
    transform: translateY(12px);
}
@keyframes bubbleEntry {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.auth-otp-email-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    margin: 6px 0 12px 0;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
    background-color: var(--bg-hover);
    padding: 6px 12px;
    border-radius: 20px;
    border: 1px solid var(--border-color);
}
.auth-change-email-btn {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    transition: var(--transition-fast);
    padding: 0;
}
.auth-change-email-btn:hover {
    color: var(--text-primary);
    background-color: rgba(255, 255, 255, 0.1);
}

/* User Status Plan Badges */
.status-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    padding: 2px 7px;
    border-radius: 4px;
    text-transform: uppercase;
    line-height: 1;
    font-family: var(--font-sans);
    transition: var(--transition-fast);
}

.status-badge.plan-free {
    background-color: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.15);
    color: #ffffff;
}

.status-badge.plan-pro {
    background-color: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.25);
    color: #ffffff;
    box-shadow: 0 0 10px rgba(255, 255, 255, 0.05);
}

.status-badge-mini {
    font-size: 0.58rem;
    padding: 1px 4px;
    border-radius: 3px;
}

/* Custom Confirmation Modal Styles */
.confirm-modal-window {
    max-width: 380px;
    width: 90%;
    border-radius: 16px;
    background: rgba(18, 24, 38, 0.75);
    border: 1px solid var(--border-color);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    animation: modalSlideIn 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.confirm-modal-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
    text-align: center;
}

.confirm-message {
    font-size: 0.88rem;
    color: var(--text-secondary);
    line-height: 1.5;
    margin: 0;
}

.confirm-actions {
    display: flex;
    width: 100%;
    gap: 12px;
}

.confirm-btn {
    flex: 1;
    height: 40px;
    border-radius: 10px;
    border: none;
    font-family: var(--font-sans);
    font-size: 0.88rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    justify-content: center;
}

.confirm-btn.cancel {
    background-color: var(--bg-hover);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
}

.confirm-btn.cancel:hover {
    background-color: rgba(255, 255, 255, 0.08);
}

.confirm-btn.danger {
    background-color: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: #ef4444;
}

.confirm-btn.danger:hover {
    background-color: rgba(239, 68, 68, 0.25);
    box-shadow: 0 0 12px rgba(239, 68, 68, 0.2);
}

/* Header Language Selector Styling */
.header-lang-wrapper {
    position: relative;
    display: inline-flex;
    align-items: center;
}

.header-lang-select {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-secondary);
    font-size: 0.8rem;
    font-weight: 600;
    padding: 6px 12px;
    cursor: pointer;
    outline: none;
    font-family: var(--font-sans);
    transition: var(--transition-fast);
    -webkit-appearance: none;
    -moz-appearance: none;
    appearance: none;
    padding-right: 28px; /* space for custom chevron */
}

/* Custom dropdown chevron arrow */
.header-lang-wrapper::after {
    content: '';
    position: absolute;
    right: 10px;
    top: 52%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 4px solid transparent;
    border-right: 4px solid transparent;
    border-top: 4px solid var(--text-secondary);
    pointer-events: none;
    transition: var(--transition-fast);
}

.header-lang-select:hover {
    color: var(--text-primary);
    border-color: rgba(255, 255, 255, 0.25);
    background-color: var(--bg-hover);
}

.header-lang-select:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 2px var(--accent-dim);
}

.header-lang-select:hover + .header-lang-wrapper::after {
    border-top-color: var(--text-primary);
}

/* Style option tags inside the select for premium theme look */
.header-lang-select option {
    background-color: #0f1423;
    color: var(--text-primary);
    font-size: 0.85rem;
    padding: 8px;
}

/* Custom Language Dropdown */
.custom-dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-trigger {
    display: flex;
    align-items: center;
    gap: 8px;
    height: 36px;
    padding: 0 10px;
    background: transparent;
    border: none;
    border-radius: var(--border-radius);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    user-select: none;
    transition: background-color var(--transition-fast), color var(--transition-fast), box-shadow var(--transition-fast);
}

.dropdown-trigger:hover {
    background-color: var(--bg-hover);
}

.dropdown-trigger:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 2px;
}

.dropdown-chevron {
    transition: transform var(--transition-normal);
    color: var(--text-secondary);
    flex-shrink: 0;
}

/* Rotate chevron when open */
.custom-dropdown.open .dropdown-chevron {
    transform: rotate(180deg);
    color: var(--text-primary);
}

/* Dropdown Menu list */
.dropdown-menu {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 140px;
    background-color: rgba(24, 24, 31, 0.85); /* Glassmorphic card styling */
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.4);
    padding: 6px;
    z-index: 200;
    display: flex;
    flex-direction: column;
    gap: 2px;
    opacity: 1;
    transform: scale(1) translateY(0);
    transition: opacity var(--transition-normal), transform var(--transition-normal), visibility var(--transition-normal);
    transform-origin: top right;
    visibility: visible;
}

.dropdown-menu.hidden {
    opacity: 0;
    transform: scale(0.95) translateY(-8px);
    pointer-events: none;
    visibility: hidden;
}

/* Dropdown Option Items */
.dropdown-item {
    padding: 8px 12px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    border-radius: 8px;
    cursor: pointer;
    transition: background-color var(--transition-fast), color var(--transition-fast);
    user-select: none;
}

.dropdown-item:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.dropdown-item.active {
    background-color: var(--accent-dim);
    color: var(--text-primary);
}

/* Uploaded images cursor and hover micro-interactions */
.msg-image img, .msg-images-grid img {
    cursor: pointer;
    transition: filter 0.25s ease;
}
.msg-image img:hover, .msg-images-grid img:hover {
    filter: brightness(1.06);
}

/* Lightbox Fullscreen Modal */
.lightbox {
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    height: 100vh;
    background-color: rgba(6, 8, 12, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.lightbox.visible {
    opacity: 1;
    pointer-events: auto;
}

.lightbox-close {
    position: absolute;
    top: 24px;
    right: 24px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.08);
    color: var(--text-secondary);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
    z-index: 10002;
}

.lightbox-close:hover {
    background-color: rgba(255, 255, 255, 0.12);
    border-color: rgba(255, 255, 255, 0.2);
    color: var(--text-primary);
    transform: scale(1.05);
}

.lightbox-content {
    width: 90%;
    height: 90%;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    position: relative;
    cursor: grab;
}

.lightbox-content:active {
    cursor: grabbing;
}

#lightbox-img {
    max-width: 95%;
    max-height: 95%;
    object-fit: contain;
    transform-origin: center center;
    user-select: none;
    -webkit-user-drag: none;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
    border-radius: 4px;
    transition: transform 0.05s linear;
}

/* Generated Image Card Styles */
.generated-image-card {
    transition: transform 0.35s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.35s ease;
}
.generated-image-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0,0,0,0.4) !important;
}
.generated-image-card:hover img {
    transform: scale(1.02);
}
.generated-image-card:hover .generated-image-overlay {
    opacity: 1 !important;
}
.generated-image-action-btn {
    transition: background-color 0.2s ease, transform 0.2s ease;
}
.generated-image-action-btn:hover {
    background: rgba(255, 255, 255, 0.25) !important;
    transform: scale(1.05);
}
.generated-image-action-btn:active {
    transform: scale(0.95);
}

/* Model Dropdown List Scrollbar */
.model-dropdown-list {
    max-height: 350px;
    overflow-y: auto;
}
.model-dropdown-list::-webkit-scrollbar {
    width: 6px;
}
.model-dropdown-list::-webkit-scrollbar-track {
    background: transparent;
}
.model-dropdown-list::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
.model-dropdown-list::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Animations */
@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}
@keyframes spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}
.spin {
    animation: spin 1s linear infinite;
}

/* Provider selector navigation styles */
.model-dropdown-view {
    display: flex;
    flex-direction: column;
}
.provider-btn {
    background: rgba(255, 255, 255, 0.02) !important;
    border: 1px solid var(--border-color) !important;
    color: var(--text-primary) !important;
    font-family: var(--font-sans) !important;
    cursor: pointer !important;
    transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
}
.provider-btn:hover {
    background: var(--bg-hover) !important;
    border-color: var(--border-hover) !important;
    transform: translateX(4px);
}
.back-btn {
    background: transparent !important;
    border: none !important;
    color: var(--text-secondary) !important;
    font-family: var(--font-sans) !important;
    cursor: pointer !important;
    transition: color 0.2s ease !important;
    display: inline-flex !important;
    align-items: center !important;
}
.back-btn:hover {
    color: var(--text-primary) !important;
}
.model-scroll-container {
    max-height: 280px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 4px;
    padding-right: 4px;
}
.model-scroll-container::-webkit-scrollbar {
    width: 4px;
}
.model-scroll-container::-webkit-scrollbar-track {
    background: transparent;
}
.model-scroll-container::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}
.model-scroll-container::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Custom Audio Player styles */
.custom-audio-player {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 10px 16px;
    width: 320px;
    max-width: 100%;
    margin-top: 6px;
    box-sizing: border-box;
}

.custom-audio-player .play-btn {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--accent);
    color: var(--bg-primary);
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s, transform 0.1s;
    flex-shrink: 0;
}

.custom-audio-player .play-btn:hover {
    background: var(--accent);
    opacity: 0.85;
    transform: scale(1.05);
}

.custom-audio-player .play-btn:active {
    transform: scale(0.95);
}

.custom-audio-player .player-timeline-wrapper {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex-grow: 1;
}

.custom-audio-player .player-slider {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background: rgba(255, 255, 255, 0.1);
    outline: none;
    cursor: pointer;
}

.custom-audio-player .player-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    cursor: pointer;
    transition: background 0.15s, transform 0.1s;
}

.custom-audio-player .player-slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.custom-audio-player .player-time-display {
    font-size: 0.72rem;
    color: var(--text-secondary);
    font-family: var(--font-mono);
    user-select: none;
}

/* Smooth Dropdown, popover, and modal transitions */
.modal-overlay {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transition: opacity 0.25s ease, visibility 0.25s ease !important;
}

.modal-overlay.hidden {
    opacity: 0 !important;
    visibility: hidden !important;
    pointer-events: none !important;
    display: flex !important;
}

.modal-overlay.hidden .modal-window {
    transform: scale(0.96) translateY(8px) !important;
    opacity: 0 !important;
}

.modal-window {
    transform: scale(1) translateY(0);
    opacity: 1;
    transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.25s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.model-dropdown-list {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
    transition: opacity 0.2s cubic-bezier(0.16, 1, 0.3, 1), transform 0.2s cubic-bezier(0.16, 1, 0.3, 1), visibility 0.2s cubic-bezier(0.16, 1, 0.3, 1) !important;
}

.model-dropdown-list.hidden {
    opacity: 0 !important;
    visibility: hidden !important;
    transform: translateY(8px) !important;
    pointer-events: none !important;
    display: flex !important;
}

.dropdown-menu.hidden {
    opacity: 0 !important;
    transform: scale(0.95) translateY(-8px) !important;
    pointer-events: none !important;
    visibility: hidden !important;
    display: flex !important;
}

.settings-popup.hidden {
    opacity: 0 !important;
    transform: translateY(10px) scale(0.95) !important;
    pointer-events: none !important;
    visibility: hidden !important;
    display: flex !important;
}

/* Stop button styling when generating */
.send-btn.stop-mode {
    background-color: #ffffff !important;
    color: #000000 !important;
    border: 1px solid #ffffff !important;
    opacity: 1 !important;
    cursor: pointer !important;
}
.send-btn.stop-mode:hover {
    background-color: #e5e5e5 !important;
    border-color: #e5e5e5 !important;
    color: #000000 !important;
    transform: scale(1.05);
}
.send-btn.stop-mode:active {
    transform: scale(0.95);
}

/* Tokens Progress Bar custom white styling */
.tokens-progress-bar {
    background: #ffffff !important;
}

/* ==========================================================================
   ARTIFACTS PANEL (PREVIEW PANEL)
   ========================================================================== */
.artifacts-panel {
    --panel-width: 45%;
    width: var(--panel-width);
    height: 100%;
    background-color: var(--bg-primary);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    z-index: 100;
    transition: margin-right 0.45s cubic-bezier(0.16, 1, 0.3, 1),
                width 0.45s cubic-bezier(0.16, 1, 0.3, 1),
                border-color 0.45s cubic-bezier(0.16, 1, 0.3, 1);
    position: relative;
    overflow: hidden;
}

.artifacts-panel.collapsed {
    margin-right: calc(-1 * var(--panel-width)) !important;
    border-left-color: transparent !important;
    pointer-events: none !important;
}

.artifacts-panel.resizing {
    transition: none !important;
}

.artifacts-header {
    height: var(--header-height);
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 0 16px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.artifacts-title-area {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-primary);
}

.artifacts-icon {
    color: var(--accent);
}

.artifacts-header-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.artifacts-action-btn, .artifacts-close-btn {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.artifacts-action-btn:hover, .artifacts-close-btn:hover {
    background-color: var(--bg-hover);
    color: var(--text-primary);
}

.artifacts-close-btn {
    font-size: 1.35rem;
    line-height: 1;
}

.artifacts-body {
    flex-grow: 1;
    position: relative;
    background-color: #1e1e24;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    overflow: auto;
}

.artifacts-body iframe {
    width: 100%;
    height: 100%;
    border: none;
    background-color: #ffffff;
}

/* Device Emulator Bar styling */
.artifacts-device-bar {
    height: 40px;
    background-color: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 16px;
    font-size: 0.78rem;
    gap: 12px;
    flex-shrink: 0;
}

.emulator-select-wrapper {
    display: flex;
    align-items: center;
    gap: 6px;
}

.emulator-label {
    color: var(--text-secondary);
    font-weight: 500;
    user-select: none;
}

.artifacts-device-bar select {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 3px 8px;
    font-size: 0.78rem;
    font-family: var(--font-sans);
    outline: none;
    cursor: pointer;
    transition: border-color var(--transition-fast);
}

.artifacts-device-bar select:hover {
    border-color: var(--border-hover);
}

.emulator-controls {
    display: flex;
    align-items: center;
    gap: 10px;
}

.emulator-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-radius: 6px;
    width: 26px;
    height: 26px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.emulator-btn:hover:not(:disabled) {
    background-color: var(--bg-hover);
    border-color: var(--border-hover);
}

.emulator-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.emulator-divider {
    width: 1px;
    height: 16px;
    background-color: var(--border-color);
}

.emulator-size-badge {
    background-color: var(--accent-dim);
    color: var(--text-secondary);
    padding: 3px 8px;
    border-radius: 4px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    user-select: none;
}

.emulator-iframe-wrapper {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    transform-origin: center center;
    transition: width 0.3s cubic-bezier(0.25, 1, 0.5, 1),
                height 0.3s cubic-bezier(0.25, 1, 0.5, 1),
                border-radius 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

.emulator-iframe-wrapper.device-mode {
    background-color: transparent;
    border: none;
    border-radius: 0;
    box-shadow: none;
    overflow: visible;
    flex-shrink: 0;
    position: relative;
    transition: all 0.3s cubic-bezier(0.25, 1, 0.5, 1);
}

/* Pseudo-element holding the physical transparent device mockup */
.emulator-iframe-wrapper.device-mode.frame-image::before {
    content: "" !important;
    position: absolute !important;
    background-image: var(--device-image) !important;
    background-size: 100% 100% !important;
    background-repeat: no-repeat !important;
    background-position: center !important;
    z-index: 20 !important; /* Renders on top of the iframe to cover its borders and round corners */
    pointer-events: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    border: none !important;
    transform-origin: center center !important;
    transition: transform 0.3s cubic-bezier(0.25, 1, 0.5, 1) !important;
}

.emulator-iframe-wrapper.device-mode.frame-image.orientation-portrait::before {
    inset: 0 !important;
    width: 100% !important;
    height: 100% !important;
    transform: none !important;
}

.emulator-iframe-wrapper.device-mode.frame-image.orientation-landscape::before {
    left: 50% !important;
    top: 50% !important;
    width: var(--portrait-width) !important;
    height: var(--portrait-height) !important;
    transform: translate(-50%, -50%) rotate(-90deg) !important;
}

/* Hide scrollbars completely in the preview panel and iframe */
.artifacts-body::-webkit-scrollbar,
.emulator-iframe-wrapper::-webkit-scrollbar,
#artifacts-iframe::-webkit-scrollbar {
    display: none !important;
    width: 0 !important;
    height: 0 !important;
}

.artifacts-body, .emulator-iframe-wrapper, #artifacts-iframe {
    scrollbar-width: none !important; /* Firefox */
    -ms-overflow-style: none !important; /* IE 10+ */
}

/* Resize Handle styles */
.artifacts-resizer {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 6px;
    cursor: col-resize;
    z-index: 1000;
    transition: background-color var(--transition-fast);
}

.artifacts-resizer:hover,
.artifacts-panel.resizing .artifacts-resizer {
    background-color: var(--accent);
    opacity: 0.4;
}

/* Play button inside code blocks styling */
.play-code-btn {
    background: var(--accent-dim);
    border: none;
    color: var(--accent);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 24px;
    height: 24px;
    border-radius: 6px;
    transition: var(--transition-fast);
    margin-right: 8px;
    flex-shrink: 0;
}

.play-code-btn:hover:not(:disabled) {
    background: var(--accent);
    color: #ffffff;
    transform: scale(1.05);
}

.play-code-btn:disabled {
    opacity: 0.35 !important;
    cursor: not-allowed !important;
    background: transparent !important;
    border: none !important;
    color: var(--text-secondary) !important;
    transform: none !important;
}

.play-code-btn svg {
    fill: currentColor;
    display: block;
}

/* Custom Keys Modal Styles */
.keys-modal-window {
    background-color: var(--bg-primary) !important;
    border: 1px solid var(--border-color) !important;
}

.keys-btn-primary {
    background: var(--text-primary) !important;
    color: var(--bg-primary) !important;
    border: none !important;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: opacity 0.2s ease;
}

.keys-btn-primary:hover {
    opacity: 0.9 !important;
}

.keys-btn-primary:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
}

.keys-btn-secondary {
    background: var(--bg-secondary) !important;
    color: var(--text-primary) !important;
    border: 1px solid var(--border-color) !important;
    padding: 12px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    transition: background-color 0.2s ease, opacity 0.2s ease;
}

.keys-btn-secondary:hover {
    background-color: var(--bg-hover) !important;
}

.keys-btn-secondary:disabled {
    opacity: 0.6 !important;
    cursor: not-allowed !important;
}

/* Visibility button inside Keys Modal */
.keys-visibility-btn {
    padding: 10px;
    border-radius: 8px;
    border: 1px solid var(--border-color) !important;
    background: var(--bg-secondary) !important;
    color: var(--text-secondary) !important;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s ease;
}

.keys-visibility-btn:hover {
    background-color: var(--bg-hover) !important;
    color: var(--text-primary) !important;
}

/* Tab buttons inside Keys Modal */
.keys-tab-btn {
    flex: 1;
    padding: 12px;
    background: none;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.85rem;
    cursor: pointer;
    transition: all 0.2s ease;
}
.keys-tab-btn.active {
    border-bottom-color: var(--accent) !important;
    color: var(--text-primary) !important;
}
.keys-tab-btn:hover:not(.active) {
    color: var(--text-primary) !important;
    background-color: var(--bg-hover) !important;
}

/* Final code-block cleanup: keep macOS chrome, clean only the code area. */
.code-container {
    border: 1px solid var(--border-color) !important;
    border-radius: 12px !important;
    background: #0b0b0f !important;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.25) !important;
    margin: 16px 0 !important;
    overflow: hidden !important;
}

.code-container .code-header,
.code-header {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    height: 36px !important;
    padding: 0 16px !important;
    background: #121218 !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08) !important;
}

.code-header-left {
    display: flex !important;
    align-items: center !important;
    gap: 6px !important;
}

.mac-dot {
    display: block !important;
    width: 9px !important;
    height: 9px !important;
    border-radius: 50% !important;
    flex: 0 0 9px !important;
}

.mac-dot.red, .mac-dot.yellow, .mac-dot.green { background: #ffffff !important; opacity: 0.55 !important; }

.copy-code-btn {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

.code-content {
    padding: 0 !important;
    overflow-x: auto !important;
    background: #0b0b0f !important;
}

.code-content pre,
pre[class*="language-"] {
    margin: 0 !important;
    padding: 14px !important;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    background: #0b0b0f !important;
    overflow-x: auto !important;
}

.code-content pre code,
pre[class*="language-"] code,
code[class*="language-"] {
    border: none !important;
    background: transparent !important;
    box-shadow: none !important;
    text-shadow: none !important;
    color: #e4e4e7 !important;
}

.code-content .token-line,
.code-content .line-highlight,
.code-content [class*="line-highlight"] {
    border: none !important;
    box-shadow: none !important;
    background: transparent !important;
}

/* --- Sidebar Centering & Balance --- */
@media (min-width: 769px) {
    .sidebar:not(.collapsed) ~ .main-container:has(~ .artifacts-panel.collapsed) .chat-viewport,
    .sidebar:not(.collapsed) ~ .main-container:has(~ .artifacts-panel.collapsed) .input-panel {
        padding-right: calc(24px + var(--sidebar-width)) !important;
    }
}
.chat-viewport,
.input-panel {
    transition: padding-right var(--transition-normal) !important;
}

/* --- Code Block Light Theme Color Fix --- */
.code-header span.lang-name,
.code-header .copy-code-btn {
    color: #a1a1aa !important;
}
.code-header .copy-code-btn:hover {
    color: #ffffff !important;
}

/* --- iPhone & Android Chassis Emulation Frames --- */
.emulator-iframe-wrapper {
    box-sizing: content-box;
}

/* Notch Frame */
.emulator-iframe-wrapper.frame-notch::after {
    content: "";
    position: absolute;
    top: -1px;
    left: 50%;
    transform: translateX(-50%);
    width: 120px;
    height: 22px;
    background-color: #16161a;
    border-bottom-left-radius: 14px;
    border-bottom-right-radius: 14px;
    z-index: 100;
    pointer-events: none;
    box-shadow: inset 0 -1px 2px rgba(255, 255, 255, 0.05);
}

/* Dynamic Island Frame */
.emulator-iframe-wrapper.frame-dynamic-island::after {
    content: "●";
    color: rgba(15, 255, 15, 0.7); /* Subtle green privacy indicator */
    font-size: 5px;
    line-height: 22px;
    text-align: right;
    padding-right: 12px;
    
    position: absolute;
    top: 11px;
    left: 50%;
    transform: translateX(-50%);
    width: 85px;
    height: 22px;
    border-radius: 12px;
    z-index: 100;
    pointer-events: auto; /* Enable hover triggers */
    background: 
        radial-gradient(circle at 15px 11px, rgba(255, 255, 255, 0.15) 1px, transparent 2px),
        radial-gradient(circle at 15px 11px, #161c47 3px, #070919 4px, transparent 5px),
        #000000;
    box-shadow: 
        0 0 0 1px rgba(255, 255, 255, 0.05),
        inset 0 0 4px rgba(255, 255, 255, 0.15);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    overflow: hidden;
    cursor: help;
}

.emulator-iframe-wrapper.frame-dynamic-island:hover::after {
    width: 170px;
    height: 26px;
    border-radius: 14px;
    content: "⚡ Konata Live Preview";
    color: #ffffff;
    font-size: 9px;
    font-family: var(--font-sans);
    font-weight: 600;
    letter-spacing: 0.3px;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 0;
    /* Clear camera gradient backgrounds on expand to show clean text */
    background: #000000;
}

/* Classic iPhone Bezel Frame */
.emulator-iframe-wrapper.frame-bezel {
    border-top-width: 44px !important;
    border-bottom-width: 44px !important;
    border-left-width: 10px !important;
    border-right-width: 10px !important;
    border-radius: 28px !important;
}
/* Top speaker bar */
.emulator-iframe-wrapper.frame-bezel::before {
    content: "";
    position: absolute;
    top: -24px;
    left: 50%;
    transform: translateX(-50%);
    width: 48px;
    height: 4px;
    background-color: #2b2b2f;
    border-radius: 2px;
    z-index: 100;
    pointer-events: none;
}
/* Bottom Home Button */
.emulator-iframe-wrapper.frame-bezel::after {
    content: "";
    position: absolute;
    bottom: -35px;
    left: 50%;
    transform: translateX(-50%);
    width: 26px;
    height: 26px;
    border: 1px solid rgba(255, 255, 255, 0.15);
    background-color: #0d0d0f;
    border-radius: 50%;
    z-index: 100;
    pointer-events: none;
}

/* Android Hole Punch Frame */
.emulator-iframe-wrapper.frame-android-hole::after {
    content: "";
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 8px;
    height: 8px;
    background-color: #0d0d0d;
    border-radius: 50%;
    z-index: 100;
    pointer-events: none;
    box-shadow: 0 0 1px rgba(255, 255, 255, 0.2);
}

/* --- Clean preview, stable chat header, lighter code rendering. --- */
.main-container {
    min-height: 0 !important;
}

.chat-header {
    height: var(--header-height) !important;
    min-height: var(--header-height) !important;
    flex: 0 0 var(--header-height) !important;
    overflow: visible !important;
}

.header-left,
.header-right {
    min-width: 0 !important;
    flex-shrink: 0 !important;
}

.sidebar-toggle-btn,
.sidebar-open-btn,
.header-icon-btn {
    flex: 0 0 auto !important;
}

.header-brand-title {
    white-space: nowrap !important;
}

.chat-viewport {
    min-height: 0 !important;
    padding-left: 24px !important;
    padding-right: 24px !important;
}

.input-panel {
    padding-left: 24px !important;
    padding-right: 24px !important;
}

.chat-feed,
.input-container-wrapper {
    width: min(100%, 680px) !important;
    max-width: 680px !important;
    margin-left: auto !important;
    margin-right: auto !important;
}

.chat-bubble.assistant > .bubble-content-wrapper {
    width: calc(100% - 42px) !important;
    max-width: calc(100% - 42px) !important;
    align-items: flex-start !important;
}

.chat-bubble.user > .bubble-content-wrapper {
    width: auto !important;
    max-width: min(78%, 560px) !important;
    margin-left: auto !important;
    align-items: flex-end !important;
}

.chat-bubble.assistant .bubble-content {
    width: 100% !important;
    max-width: 100% !important;
}

.artifacts-device-bar,
.phone-button {
    display: none !important;
}

.artifacts-body {
    padding: 0 !important;
    overflow: hidden !important;
    background: var(--bg-primary) !important;
}

.emulator-iframe-wrapper,
.emulator-iframe-wrapper.device-mode,
.emulator-iframe-wrapper.frame-image,
.emulator-iframe-wrapper[class*="frame-"] {
    width: 100% !important;
    height: 100% !important;
    border: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    background: transparent !important;
    overflow: hidden !important;
    transform: none !important;
}

.emulator-iframe-wrapper::before,
.emulator-iframe-wrapper::after {
    display: none !important;
}

.artifacts-body iframe,
.emulator-iframe-wrapper iframe {
    position: relative !important;
    inset: auto !important;
    width: 100% !important;
    height: 100% !important;
    border-radius: 0 !important;
}

.code-generating-card {
    display: flex;
    align-items: center;
    gap: 12px;
    width: 100%;
    margin: 12px 0;
    padding: 14px;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.code-generating-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid var(--border-color);
    border-top-color: var(--text-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    flex: 0 0 auto;
}

.code-generating-title {
    font-size: 0.88rem;
    font-weight: 700;
}

.code-generating-subtitle {
    margin-top: 2px;
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-secondary);
}

.code-container {
    max-width: 100% !important;
    border-radius: 12px !important;
    box-shadow: none !important;
}

.code-container.collapsed .code-content {
    display: none !important;
}

.code-toggle-btn,
.download-code-btn,
.play-code-btn,
.copy-code-btn {
    min-width: 30px;
    height: 28px;
    display: inline-flex !important;
    align-items: center !important;
    justify-content: center !important;
    gap: 6px;
    padding: 0 8px;
    border: 1px solid transparent;
    border-radius: 7px;
    background: transparent;
    color: var(--text-secondary);
    font-family: var(--font-sans);
    font-size: 0.74rem;
    font-weight: 700;
    cursor: pointer;
}

.code-toggle-btn:hover,
.download-code-btn:hover,
.play-code-btn:hover,
.copy-code-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-color);
}

html.light .code-container {
    background: #ffffff !important;
    border-color: rgba(9, 9, 11, 0.12) !important;
}

html.light .code-header,
html.light .code-container .code-header {
    background: #f4f4f7 !important;
    border-bottom-color: rgba(9, 9, 11, 0.1) !important;
}

html.light .code-content,
html.light .code-content pre,
html.light pre[class*="language-"] {
    background: #ffffff !important;
    color: #18181b !important;
}

html.light .code-content pre code,
html.light pre[class*="language-"] code,
html.light code[class*="language-"] {
    color: #18181b !important;
}

html.light .mac-dot.red,
html.light .mac-dot.yellow,
html.light .mac-dot.green {
    background: #71717a !important;
}

.confirm-modal-window {
    background: color-mix(in srgb, var(--bg-secondary) 92%, transparent) !important;
    border: 1px solid var(--border-color) !important;
    border-radius: 14px !important;
    box-shadow: 0 24px 70px rgba(0, 0, 0, 0.35) !important;
    backdrop-filter: blur(18px) !important;
    -webkit-backdrop-filter: blur(18px) !important;
}

.confirm-modal-body {
    gap: 16px !important;
    padding: 24px !important;
}

.confirm-message {
    color: var(--text-secondary) !important;
}

.confirm-btn.cancel {
    background: var(--bg-input) !important;
}

.confirm-btn.cancel:hover {
    background: var(--bg-hover) !important;
}

.confirm-btn.danger {
    background: rgba(239, 68, 68, 0.12) !important;
    color: #ef4444 !important;
}