/* DeepSeek V4 Flash — Clean Mobile-Friendly Style Sheet */
/* Based on working reference UI from akhaliq/Step-3.7-Flash, with custom features */

:root {
    --bg-primary: #f8f9fa;
    --bg-workspace: #f8f9fa;
    --bg-card: #ffffff;
    --bg-sidebar: #ffffff;

    --border-color: #e5e7eb;
    --border-light: #f1f2f4;
    --border-focus: #111827;

    --accent-blue: #2563eb;
    --accent-blue-bg: #eff6ff;

    --text-primary: #111827;
    --text-secondary: #4b5563;
    --text-muted: #9ca3af;
    --danger: #ef4444;

    --btn-light-bg: #f3f4f6;
    --btn-light-hover: #e5e7eb;

    --font-heading: 'Outfit', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Fira Code', monospace;

    --transition-smooth: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-pill: 100px;

    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.03), 0 2px 4px -1px rgba(0, 0, 0, 0.01);
    --shadow-lg: 0 10px 30px -10px rgba(0, 0, 0, 0.05), 0 4px 6px -2px rgba(0, 0, 0, 0.02);
}

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

body {
    background-color: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 14px;
    line-height: 1.5;
    overflow: hidden;
    height: 100vh;
    width: 100vw;
    -webkit-font-smoothing: antialiased;
}

/* Scrollbars */
::-webkit-scrollbar { width: 4px; height: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: #e5e7eb; border-radius: 10px; }
::-webkit-scrollbar-thumb:hover { background: #cbd5e1; }

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

.main-workspace {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    background-color: var(--bg-workspace);
    overflow: hidden;
    position: relative;
    width: 100%;
}

/* ── Header ────────────────────────────────────────────────────────── */
.workspace-header {
    height: 56px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    flex-shrink: 0;
    z-index: 10;
}

.header-left-group {
    display: flex;
    align-items: center;
    gap: 12px;
}

.header-brand {
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-logo-img {
    width: 24px;
    height: 24px;
    object-fit: contain;
    border-radius: 50%;
    flex-shrink: 0;
}

.brand-name {
    font-family: var(--font-heading);
    font-size: 15px;
    font-weight: 700;
    letter-spacing: -0.3px;
    color: var(--text-primary);
}

.header-actions {
    display: flex;
    gap: 8px;
}

.header-btn {
    appearance: none;
    -webkit-appearance: none;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    padding: 6px 12px;
    font-size: 12px;
    font-family: var(--font-body);
    font-weight: 500;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    transition: var(--transition-smooth);
    outline: none;
    box-shadow: var(--shadow-sm);
}

.header-btn:hover {
    background-color: var(--btn-light-bg);
    border-color: #cbd5e1;
    color: var(--text-primary);
}

.header-btn:active {
    background-color: var(--btn-light-hover);
    transform: scale(0.98);
}

.header-btn svg { flex-shrink: 0; }

/* ── Viewport ──────────────────────────────────────────────────────── */
.workspace-viewport {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
}

/* ── Studio Dashboard (Empty State) ────────────────────────────────── */
.studio-dashboard {
    max-width: 640px;
    width: 100%;
    margin: auto;
    padding: 40px 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.welcome-heading {
    font-family: var(--font-heading);
    font-size: 26px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 24px;
    letter-spacing: -0.4px;
    text-align: center;
}

/* Console Input Box */
.console-box {
    width: 100%;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    padding: 12px 16px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    transition: var(--transition-smooth);
    margin-bottom: 36px;
}

.console-box:focus-within {
    border-color: var(--border-focus);
    box-shadow: var(--shadow-lg);
}

.console-box textarea {
    width: 100%;
    border: none;
    outline: none;
    resize: none;
    font-family: var(--font-body);
    font-size: 14.5px;
    color: var(--text-primary);
    background: transparent;
    line-height: 1.45;
    min-height: 50px;
}

.console-box textarea::placeholder { color: var(--text-muted); }

.inner-shelf-preview,
.mini-shelf-preview {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding-bottom: 2px;
}

.console-action-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-light);
    padding-top: 10px;
}

/* Circle Buttons */
.circle-btn-action {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--border-color);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    outline: none;
}

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

.circle-btn-send {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: none;
    background-color: #1f2937;
    color: #ffffff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
    outline: none;
}

.circle-btn-send:hover { background-color: #111827; }

/* ── Showcase Chips ────────────────────────────────────────────────── */
.showcase-section { width: 100%; }

.showcase-title {
    font-size: 12.5px;
    color: var(--text-secondary);
    margin-bottom: 12px;
    text-align: center;
    font-weight: 500;
}

.showcase-chips-row {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.recipe-chip {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    border-radius: var(--border-radius-pill);
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    box-shadow: var(--shadow-sm);
}

.recipe-chip:hover {
    background-color: var(--btn-light-bg);
    border-color: #cbd5e1;
    color: var(--text-primary);
    transform: translateY(-1px);
}

.recipe-chip:active { transform: translateY(0); }
.chip-icon { font-size: 14px; }

/* ── Chat Thread ───────────────────────────────────────────────────── */
.chat-thread-container {
    flex: 1;
    display: flex;
    flex-direction: column;
    height: 100%;
    overflow: hidden;
}

.chat-messages-feed {
    flex: 1;
    overflow-y: auto;
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 24px;
    max-width: 680px;
    width: 100%;
    margin: 0 auto;
}

/* Message Bubbles */
.message-bubble {
    display: flex;
    flex-direction: column;
    gap: 4px;
    max-width: 90%;
    animation: slideUp 0.25s ease-out;
}

.message-bubble.user { align-self: flex-end; }
.message-bubble.assistant { align-self: flex-start; width: 100%; max-width: 100%; }

.message-meta {
    font-size: 10px;
    color: var(--text-muted);
    font-weight: 600;
    margin: 0 4px;
}

.message-bubble.user .message-meta { text-align: right; }

.message-body {
    padding: 10px 14px;
    border-radius: var(--border-radius-md);
    font-size: 13.5px;
    line-height: 1.5;
    box-shadow: var(--shadow-sm);
}

.message-bubble.user .message-body {
    background-color: var(--btn-light-bg);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-bottom-right-radius: 4px;
}

.message-bubble.assistant .message-body {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    color: var(--text-primary);
    border-bottom-left-radius: 4px;
}

/* Bubble Attachments */
.bubble-attachments {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: 6px;
    margin-top: 8px;
    max-width: 320px;
}

.bubble-attachment-card {
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
    background-color: #fafafa;
    position: relative;
    aspect-ratio: 16/10;
}

.bubble-attachment-card img,
.bubble-attachment-card video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.bubble-attachment-label {
    position: absolute;
    bottom: 0; left: 0; right: 0;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    font-size: 8px;
    text-align: center;
    padding: 1px;
    font-family: var(--font-mono);
}

/* ── Collapsible Thoughts ──────────────────────────────────────────── */
.thought-container {
    margin-bottom: 12px;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    overflow: hidden;
}

.thought-container.collapsed .thought-content { display: none; }
.thought-container.collapsed .thought-toggle-icon { transform: rotate(-90deg); }

.thought-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 6px 10px;
    background-color: #f9fafb;
    cursor: pointer;
    user-select: none;
    transition: var(--transition-smooth);
}

.thought-header:hover { background-color: #f3f4f6; }

.thought-title-group {
    display: flex;
    align-items: center;
    gap: 6px;
    font-family: var(--font-heading);
    font-size: 11px;
    font-weight: 600;
    color: var(--text-secondary);
}

.thought-timer {
    font-family: var(--font-mono);
    font-size: 9.5px;
    color: var(--text-muted);
}

.thought-toggle-icon {
    font-size: 9px;
    color: var(--text-secondary);
    transition: transform 0.2s ease;
}

.thought-content {
    padding: 10px 12px;
    font-family: var(--font-mono);
    font-size: 11.5px;
    color: var(--text-secondary);
    background-color: #ffffff;
    border-top: 1px solid var(--border-color);
    white-space: pre-wrap;
    max-height: 150px;
    overflow-y: auto;
}

/* ── RP (Roleplay) Markdown ────────────────────────────────────────── */
.rp-narration {
    font-style: italic;
    color: #6b7280;
    background-color: rgba(107, 114, 128, 0.06);
    padding: 1px 4px;
    border-radius: 3px;
    border-left: 2px solid #9ca3af;
}

.rp-dialogue {
    color: #2563eb;
    font-weight: 500;
    background-color: rgba(37, 99, 235, 0.06);
    padding: 1px 4px;
    border-radius: 3px;
}

.rp-bold { font-weight: 700; color: #111827; }

.rp-ooc {
    color: #9ca3af;
    font-style: italic;
    opacity: 0.7;
    font-size: 0.9em;
}

.rp-divider {
    border: none;
    border-top: 1px dashed #d1d5db;
    margin: 12px 0;
}

/* ── Toggle Switch ─────────────────────────────────────────────────── */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 36px;
    height: 20px;
    flex-shrink: 0;
}

.toggle-switch input { opacity: 0; width: 0; height: 0; }

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: #d1d5db;
    transition: 0.2s;
    border-radius: 20px;
}

.toggle-slider:before {
    position: absolute;
    content: "";
    height: 14px;
    width: 14px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    transition: 0.2s;
    border-radius: 50%;
}

.toggle-switch input:checked + .toggle-slider { background-color: #111827; }
.toggle-switch input:checked + .toggle-slider:before { transform: translateX(16px); }
.toggle-switch input:focus + .toggle-slider { box-shadow: 0 0 0 2px rgba(17, 24, 39, 0.2); }

.setting-description {
    font-size: 10.5px;
    color: var(--text-muted);
    line-height: 1.4;
    padding-top: 2px;
}

/* ── Markdown Typography ───────────────────────────────────────────── */
.markdown-body h1, .markdown-body h2, .markdown-body h3 {
    margin-top: 12px;
    margin-bottom: 4px;
    font-family: var(--font-heading);
    font-weight: 600;
}

.markdown-body h1 { font-size: 14.5px; border-bottom: 1px solid var(--border-light); padding-bottom: 2px; }
.markdown-body h2 { font-size: 13.5px; }
.markdown-body h3 { font-size: 12.5px; }

.markdown-body p { margin-bottom: 6px; }
.markdown-body p:last-child { margin-bottom: 0; }

.markdown-body code {
    font-family: var(--font-mono);
    font-size: 11px;
    background-color: var(--btn-light-bg);
    padding: 2px 4px;
    border-radius: 4px;
    color: var(--accent-blue);
}

.markdown-body pre {
    margin: 10px 0;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    border: 1px solid var(--border-color);
}

.markdown-body pre code {
    display: block;
    padding: 10px;
    overflow-x: auto;
    background-color: #0f172a !important;
    color: #e2e8f0;
}

.markdown-body table {
    width: 100%;
    border-collapse: collapse;
    margin: 10px 0;
    font-size: 12px;
}

.markdown-body th, .markdown-body td {
    border: 1px solid var(--border-color);
    padding: 6px 8px;
    text-align: left;
}

.markdown-body th { background-color: var(--bg-primary); font-weight: 600; }

/* ── Chat Footer ───────────────────────────────────────────────────── */
.chat-mini-footer {
    padding: 12px 20px;
    background-color: var(--bg-workspace);
    border-top: 1px solid var(--border-color);
}

.chat-mini-footer .console-box {
    max-width: 680px;
    margin: 0 auto;
    box-shadow: var(--shadow-sm);
    padding: 8px 12px;
    border-radius: var(--border-radius-md);
    margin-bottom: 0;
}

/* ── Left Sidebar Drawer (Chat History) ────────────────────────────── */
.sidebar-left {
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    width: 280px;
    background-color: var(--bg-sidebar);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 1050;
    transform: translateX(-100%);
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 4px 0 20px rgba(0, 0, 0, 0.08);
}

.sidebar-left.open { transform: translateX(0); }

.left-sidebar-header {
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.user-profile-section {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
}

.user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background-color: var(--btn-light-bg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    flex-shrink: 0;
}

.user-avatar.logged-in { background-color: #111827; color: #ffffff; }

.user-info-text { flex: 1; min-width: 0; }

.user-display-name {
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.hf-login-btn {
    display: inline-block;
    margin-top: 4px;
    padding: 3px 10px;
    font-size: 10px;
    font-weight: 600;
    font-family: var(--font-body);
    color: #ffffff;
    background-color: #111827;
    border: none;
    border-radius: var(--border-radius-pill);
    cursor: pointer;
}

.hf-login-btn:hover { background-color: #374151; }
.hf-login-btn.logged-in { background-color: transparent; color: var(--danger); border: 1px solid var(--border-color); }
.hf-login-btn.logged-in:hover { background-color: #fef2f2; border-color: #fecaca; }

.new-chat-btn {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 12px 16px 8px;
    padding: 8px 14px;
    border-radius: var(--border-radius-sm);
    background-color: var(--bg-card);
    border: 1px dashed var(--border-color);
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    font-family: var(--font-body);
    cursor: pointer;
    transition: var(--transition-smooth);
    width: calc(100% - 32px);
}

.new-chat-btn:hover {
    border-color: #cbd5e1;
    color: var(--text-primary);
    background-color: var(--btn-light-bg);
    border-style: solid;
}

.chat-history-list {
    flex: 1;
    overflow-y: auto;
    padding: 8px 12px;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.empty-history-text {
    font-size: 11px;
    color: var(--text-muted);
    text-align: center;
    padding: 20px 10px;
    line-height: 1.6;
}

.chat-history-item {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 8px 10px;
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: var(--transition-smooth);
    position: relative;
}

.chat-history-item:hover { background-color: var(--btn-light-bg); }
.chat-history-item.active { background-color: var(--accent-blue-bg); border: 1px solid rgba(37, 99, 235, 0.15); }

.history-item-content { flex: 1; min-width: 0; overflow: hidden; }

.history-item-title {
    font-size: 12px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-item-meta { font-size: 9.5px; color: var(--text-muted); margin-top: 2px; }

.history-item-delete {
    width: 22px;
    height: 22px;
    border-radius: 4px;
    border: none;
    background: transparent;
    color: var(--text-muted);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
    flex-shrink: 0;
}

.chat-history-item:hover .history-item-delete { opacity: 1; }
.history-item-delete:hover { background-color: #fef2f2; color: var(--danger); }

.left-sidebar-footer {
    padding: 10px 16px;
    border-top: 1px solid var(--border-color);
}

/* Left sidebar overlay */
.sidebar-overlay-left {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(2px);
    z-index: 1040;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.sidebar-overlay-left.active { opacity: 1; pointer-events: auto; }

/* ── Right Sidebar Overlay ─────────────────────────────────────────── */
.sidebar-overlay {
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-color: rgba(0, 0, 0, 0.2);
    backdrop-filter: blur(1.5px);
    z-index: 990;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.2s ease;
}

.sidebar-overlay.active { opacity: 1; pointer-events: auto; }

/* ── Right Settings Drawer ─────────────────────────────────────────── */
.sidebar-right {
    position: absolute;
    top: 0; right: 0; bottom: 0;
    width: 320px;
    background-color: var(--bg-sidebar);
    border-left: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: -4px 0 20px rgba(0, 0, 0, 0.03);
    transform: translateX(0);
}

.sidebar-right.collapsed { transform: translateX(100%); }

.right-sidebar-header {
    padding: 14px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.right-sidebar-header h3 {
    font-family: var(--font-heading);
    font-size: 13.5px;
    font-weight: 600;
    color: var(--text-primary);
}

.close-drawer { border-color: transparent !important; }
.close-drawer:hover { background-color: var(--btn-light-bg) !important; }

.sidebar-right-content {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.right-block-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 14px;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.flex-1-card { flex: 1; min-height: 180px; }

.card-block-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.block-title {
    font-family: var(--font-heading);
    font-size: 12px;
    font-weight: 600;
    color: var(--text-primary);
}

.block-value {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-secondary);
    font-weight: 500;
}

/* System Prompt */
.system-prompt-textarea {
    width: 100%;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    background-color: #f9fafb;
    color: var(--text-primary);
    font-family: var(--font-body);
    font-size: 12px;
    line-height: 1.5;
    padding: 8px 10px;
    resize: vertical;
    min-height: 60px;
    outline: none;
}

.system-prompt-textarea:focus { border-color: var(--border-focus); background-color: #ffffff; }
.system-prompt-textarea::placeholder { color: var(--text-muted); }

/* Slider */
.slider-input {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 4px;
    border-radius: 2px;
    background-color: #e5e7eb;
    outline: none;
    cursor: pointer;
}

.slider-input::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px; height: 14px;
    border-radius: 50%;
    background-color: #111827;
    cursor: pointer;
}

.slider-input::-moz-range-thumb {
    width: 14px; height: 14px;
    border-radius: 50%;
    background-color: #111827;
    border: none;
}

/* Effort Picker */
.effort-picker {
    display: flex;
    background-color: #f9fafb;
    border: 1px solid var(--border-color);
    padding: 2.5px;
    border-radius: var(--border-radius-sm);
    gap: 2px;
}

.effort-pill { flex: 1; cursor: pointer; text-align: center; position: relative; }
.effort-pill input { position: absolute; opacity: 0; width: 0; height: 0; }

.effort-pill span {
    display: block;
    padding: 5px 0;
    font-size: 11px;
    font-weight: 500;
    border-radius: 4px;
    color: var(--text-secondary);
    transition: var(--transition-smooth);
    font-family: var(--font-heading);
}

.effort-pill input:checked + span { background-color: #111827; color: #ffffff; }
.effort-pill:hover span:not(input:checked + span) { color: var(--text-primary); background-color: rgba(0,0,0,0.02); }

/* Shelf & Media */
.shelf-list { display: flex; flex-direction: column; gap: 6px; overflow-y: auto; }
.empty-shelf-text { font-size: 10.5px; color: var(--text-muted); text-align: center; padding: 8px 0; font-style: italic; }

.media-chip {
    display: flex;
    align-items: center;
    background-color: #f9fafb;
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 5px 8px;
    gap: 8px;
}

.media-chip-preview {
    width: 24px; height: 24px;
    border-radius: 4px;
    object-fit: cover;
    background-color: #eaeaea;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
}

.media-chip-preview img { width: 100%; height: 100%; object-fit: cover; }
.media-chip-details { flex: 1; min-width: 0; }

.media-chip-name {
    font-size: 10.5px;
    font-weight: 500;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.media-chip-meta { font-size: 9px; color: var(--text-muted); display: flex; gap: 4px; }
.media-chip-remove { background: transparent; border: none; color: var(--text-muted); cursor: pointer; padding: 3px; display: flex; }
.media-chip-remove:hover { color: var(--danger); }

.quick-preview-item {
    width: 32px; height: 32px;
    border-radius: var(--border-radius-sm);
    border: 1px solid var(--border-color);
    overflow: hidden;
    position: relative;
    flex-shrink: 0;
}

.quick-preview-item img { width: 100%; height: 100%; object-fit: cover; }

.quick-preview-badge {
    position: absolute;
    top: 1.5px; right: 1.5px;
    background-color: var(--accent-blue);
    width: 6px; height: 6px;
    border-radius: 50%;
}

.right-sidebar-footer { padding: 10px 16px; border-top: 1px solid var(--border-color); }

.status-indicator-group {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 10.5px;
    color: var(--text-secondary);
}

.status-dot { width: 5px; height: 5px; border-radius: 50%; }
.status-dot.online { background-color: #10b981; }

/* Code block copy button */
.code-block-wrapper { position: relative; }

.code-block-wrapper .copy-code-btn {
    position: absolute;
    top: 6px; right: 6px;
    background-color: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #9ca3af;
    font-size: 10px;
    font-family: var(--font-mono);
    padding: 2px 8px;
    border-radius: 4px;
    cursor: pointer;
}

.code-block-wrapper .copy-code-btn:hover { background-color: rgba(255, 255, 255, 0.2); color: #e5e7eb; }

/* ── Animations ────────────────────────────────────────────────────── */
.spinner-light {
    width: 12px; height: 12px;
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    border-top: 1.5px solid #ffffff;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
@keyframes slideUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }

/* ── Responsive ────────────────────────────────────────────────────── */
@media (min-width: 641px) {
    .sidebar-right.collapsed { transform: translateX(100%); }
}

@media (max-width: 640px) {
    body { font-size: 13.5px; }

    .workspace-header { padding: 0 12px; height: 50px; }
    .header-btn span { display: none; }
    .header-btn { padding: 7px; }
    .brand-name { font-size: 14px; }

    .sidebar-left { width: 85vw !important; }
    .sidebar-right { width: 100% !important; border-left: none; }

    .studio-dashboard { padding: 24px 14px; }
    .welcome-heading { font-size: 20px; margin-bottom: 16px; }

    .chat-messages-feed { padding: 12px 10px; gap: 14px; }
    .message-body { padding: 9px 12px; font-size: 13px; }
    .message-bubble { max-width: 95%; }

    .chat-mini-footer { padding: 8px 10px; }
    .chat-mini-footer .console-box { padding: 6px 10px; }

    .console-box textarea { font-size: 16px; /* prevent iOS zoom */ }

    .recipe-chip { padding: 6px 12px; font-size: 11.5px; }
    .code-block-wrapper .copy-code-btn { font-size: 9px; padding: 1px 6px; }
}