/* ============================================================
   Aurora Scents TEV Executive Portal — Design System
   Premium Dark Mode + Glassmorphic Luxury Interface
   ============================================================ */

/* --- Google Fonts loaded via index.html link tags --- */

/* ============================================================
   1. DESIGN TOKENS (CSS Custom Properties)
   ============================================================ */
:root {
    /* --- Core Palette --- */
    --bg-primary: #050508;
    --bg-secondary: #0E0E12;
    --bg-tertiary: #141419;
    --bg-card: #1A1A22;
    --bg-elevated: #22222D;
    --bg-hover: #2A2A36;

    /* --- Accent Colors --- */
    --accent-gold: #D4AF37;
    --accent-gold-light: #E8C84A;
    --accent-gold-dim: #A68B2A;
    --accent-gold-glow: rgba(212, 175, 55, 0.25);
    --accent-emerald: #10B981;
    --accent-emerald-dim: rgba(16, 185, 129, 0.15);
    --accent-blue: #3B82F6;
    --accent-blue-dim: rgba(59, 130, 246, 0.15);
    --accent-red: #EF4444;
    --accent-red-dim: rgba(239, 68, 68, 0.15);
    --accent-amber: #F59E0B;
    --accent-amber-dim: rgba(245, 158, 11, 0.15);

    /* --- Text Colors --- */
    --text-primary: #F5F5F7;
    --text-secondary: #A1A1AA;
    --text-tertiary: #71717A;
    --text-muted: #52525B;
    --text-gold: #D4AF37;

    /* --- Border Colors --- */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-medium: rgba(255, 255, 255, 0.10);
    --border-gold: rgba(212, 175, 55, 0.30);
    --border-gold-bright: rgba(212, 175, 55, 0.60);

    /* --- Glassmorphism --- */
    --glass-bg: rgba(14, 14, 18, 0.75);
    --glass-bg-heavy: rgba(14, 14, 18, 0.92);
    --glass-blur: blur(20px);
    --glass-blur-heavy: blur(40px);
    --glass-border: rgba(255, 255, 255, 0.08);

    /* --- Gradients --- */
    --gradient-gold: linear-gradient(135deg, #D4AF37 0%, #E8C84A 50%, #D4AF37 100%);
    --gradient-gold-subtle: linear-gradient(135deg, rgba(212,175,55,0.1) 0%, rgba(212,175,55,0.05) 100%);
    --gradient-dark: linear-gradient(180deg, #0E0E12 0%, #050508 100%);
    --gradient-card: linear-gradient(145deg, rgba(26,26,34,0.8) 0%, rgba(14,14,18,0.6) 100%);
    --gradient-spine: linear-gradient(to right, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.05) 5%, rgba(0,0,0,0) 12%, rgba(0,0,0,0) 88%, rgba(0,0,0,0.05) 95%, rgba(0,0,0,0.55) 100%);

    /* --- Shadows --- */
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.4);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.5);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.6);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.7);
    --shadow-gold: 0 4px 24px rgba(212,175,55,0.15);
    --shadow-gold-lg: 0 8px 40px rgba(212,175,55,0.25);

    /* --- Typography --- */
    --font-serif: 'Cormorant Garamond', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;

    /* --- Spacing --- */
    --space-xs: 4px;
    --space-sm: 8px;
    --space-md: 16px;
    --space-lg: 24px;
    --space-xl: 32px;
    --space-2xl: 48px;
    --space-3xl: 64px;
    --space-4xl: 96px;

    /* --- Layout --- */
    --sidebar-width: 280px;
    --sidebar-collapsed: 72px;
    --header-height: 0px;
    --border-radius-sm: 6px;
    --border-radius-md: 10px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;

    /* --- Transitions --- */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in-out: cubic-bezier(0.4, 0, 0.2, 1);
    --duration-fast: 150ms;
    --duration-normal: 300ms;
    --duration-slow: 500ms;
    --duration-slower: 800ms;
}

/* ============================================================
   2. RESET & BASE
   ============================================================ */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    overflow: hidden;
    height: 100vh;
    width: 100vw;
}

h1, h2, h3, h4, h5 {
    font-family: var(--font-serif);
    font-weight: 500;
    line-height: 1.2;
    letter-spacing: 0.02em;
    color: var(--text-primary);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1rem; }

p { color: var(--text-secondary); line-height: 1.7; }

a {
    color: var(--accent-gold);
    text-decoration: none;
    transition: color var(--duration-fast) var(--ease-in-out);
}

a:hover { color: var(--accent-gold-light); }

img { max-width: 100%; height: auto; display: block; }

/* --- Custom Scrollbar --- */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background: var(--bg-hover);
    border-radius: 3px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent-gold-dim);
}

/* ============================================================
   3. APP LAYOUT
   ============================================================ */
#app-shell {
    display: flex;
    height: 100vh;
    width: 100vw;
    overflow: hidden;
    position: relative;
}

/* --- Sidebar --- */
#sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    position: fixed;
    left: 0;
    top: 0;
    z-index: 100;
    display: flex;
    flex-direction: column;
    background: var(--glass-bg-heavy);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border-right: 1px solid var(--glass-border);
    padding: var(--space-lg) 0;
    transform: translateX(-100%);
    transition: transform var(--duration-slow) var(--ease-out-expo);
}

#sidebar.visible {
    transform: translateX(0);
}

/* Sidebar close button — hidden on desktop, visible on mobile */
.sidebar-close-btn {
    display: none;
    position: absolute;
    top: var(--space-md);
    right: var(--space-md);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    border: 1px solid var(--border-subtle);
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    align-items: center;
    justify-content: center;
    transition: all var(--duration-fast) var(--ease-in-out);
    z-index: 10;
}

.sidebar-close-btn:hover {
    color: var(--accent-gold);
    border-color: var(--border-gold);
}

/* Mobile hamburger button */
.mobile-menu-btn {
    position: fixed;
    top: 16px;
    left: 16px;
    z-index: 90;
    width: 44px;
    height: 44px;
    border-radius: var(--border-radius-md);
    border: 1px solid var(--border-subtle);
    background: var(--glass-bg-heavy);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    color: var(--accent-gold);
    cursor: pointer;
    display: none; /* shown via JS on mobile */
    align-items: center;
    justify-content: center;
    transition: all var(--duration-fast) var(--ease-in-out);
}

.mobile-menu-btn:hover {
    background: var(--accent-gold-glow);
    border-color: var(--border-gold);
}

/* Backdrop overlay for mobile sidebar */
.sidebar-backdrop {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 95;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-in-out);
}

.sidebar-backdrop.active {
    opacity: 1;
}

.sidebar-brand {
    padding: var(--space-lg) var(--space-lg) var(--space-2xl);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-lg);
}

.sidebar-brand .brand-name {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--accent-gold);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    line-height: 1.3;
}

.sidebar-brand .brand-sub {
    font-family: var(--font-sans);
    font-size: 0.65rem;
    font-weight: 500;
    color: var(--text-tertiary);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    margin-top: var(--space-xs);
}

/* --- Navigation --- */
.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0 var(--space-sm);
    overflow-y: auto;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-md) var(--space-md);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    position: relative;
    transition: all var(--duration-normal) var(--ease-in-out);
    color: var(--text-secondary);
    font-size: 0.85rem;
    font-weight: 500;
    letter-spacing: 0.02em;
    user-select: none;
}

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

.nav-item.active {
    background: var(--gradient-gold-subtle);
    color: var(--accent-gold);
    border: 1px solid var(--border-gold);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 60%;
    background: var(--accent-gold);
    border-radius: 0 2px 2px 0;
}

.nav-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
    opacity: 0.7;
}

.nav-item.active .nav-icon {
    opacity: 1;
}

.nav-item .nav-label {
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.sidebar-footer {
    padding: var(--space-lg);
    border-top: 1px solid var(--border-subtle);
    margin-top: var(--space-md);
}

.sidebar-footer .confidential-badge {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-red);
    opacity: 0.6;
}

/* --- Main Viewport --- */
#app-viewport {
    flex: 1;
    margin-left: 0;
    height: 100vh;
    overflow-y: auto;
    overflow-x: hidden;
    transition: margin-left var(--duration-slow) var(--ease-out-expo);
    position: relative;
}

#app-viewport.with-sidebar {
    margin-left: var(--sidebar-width);
}

/* --- Sections --- */
.portal-section {
    display: none;
    min-height: 100vh;
    padding: var(--space-3xl);
    opacity: 0;
    transform: translateY(12px);
    transition: opacity var(--duration-slow) var(--ease-out-expo),
                transform var(--duration-slow) var(--ease-out-expo);
}

.portal-section.active {
    display: block;
}

.portal-section.visible {
    opacity: 1;
    transform: translateY(0);
}

.section-header {
    margin-bottom: var(--space-2xl);
}

.section-header .section-eyebrow {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent-gold);
    margin-bottom: var(--space-sm);
}

.section-header h2 {
    font-size: 2.2rem;
    margin-bottom: var(--space-sm);
}

.section-header .section-desc {
    font-size: 0.95rem;
    color: var(--text-tertiary);
    max-width: 640px;
}

/* ============================================================
   4. PASSPORT / CONFIDENTIALITY SHIELD
   ============================================================ */
#passport-shield {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    background: var(--bg-primary);
    backdrop-filter: var(--glass-blur-heavy);
    -webkit-backdrop-filter: var(--glass-blur-heavy);
    transition: opacity 1.2s var(--ease-out-expo), backdrop-filter 1.2s var(--ease-out-expo);
}

#passport-shield.dissolving {
    opacity: 0;
    backdrop-filter: blur(0px);
    pointer-events: none;
}

.passport-container {
    text-align: center;
    max-width: 460px;
    padding: var(--space-2xl);
}

.passport-classified {
    font-family: var(--font-sans);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    color: var(--accent-red);
    margin-bottom: var(--space-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    animation: pulse-subtle 3s ease-in-out infinite;
}

.passport-brand {
    font-family: var(--font-serif);
    font-size: 3.2rem;
    font-weight: 600;
    color: var(--accent-gold);
    letter-spacing: 0.12em;
    text-transform: uppercase;
    margin-bottom: var(--space-xs);
    background: var(--gradient-gold);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: shimmer-gold 4s ease-in-out infinite;
    background-size: 200% 100%;
}

.passport-subtitle {
    font-family: var(--font-sans);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: var(--space-3xl);
}

.passport-input-group {
    position: relative;
    margin-bottom: var(--space-lg);
}

.passport-input {
    width: 100%;
    padding: var(--space-md) var(--space-lg);
    background: transparent;
    border: none;
    border-bottom: 2px solid var(--border-medium);
    color: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 1rem;
    letter-spacing: 0.15em;
    text-align: center;
    outline: none;
    transition: border-color var(--duration-normal) var(--ease-in-out);
}

.passport-input::placeholder {
    color: var(--text-muted);
    letter-spacing: 0.1em;
}

.passport-input:focus {
    border-bottom-color: var(--accent-gold);
}

.passport-input.error {
    border-bottom-color: var(--accent-red);
    animation: shake 0.5s var(--ease-out-expo);
}

.passport-label {
    font-size: 0.7rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: var(--space-lg);
    display: block;
}

.passport-error {
    font-size: 0.8rem;
    color: var(--accent-red);
    opacity: 0;
    transform: translateY(-8px);
    transition: all var(--duration-normal) var(--ease-in-out);
    margin-top: var(--space-sm);
}

.passport-error.visible {
    opacity: 1;
    transform: translateY(0);
}

.passport-submit {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-xl);
    background: transparent;
    border: 1px solid var(--border-gold);
    color: var(--accent-gold);
    font-family: var(--font-sans);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    cursor: pointer;
    border-radius: var(--border-radius-sm);
    transition: all var(--duration-normal) var(--ease-in-out);
    margin-top: var(--space-lg);
}

.passport-submit:hover {
    background: var(--accent-gold);
    color: var(--bg-primary);
    box-shadow: var(--shadow-gold);
}

/* ============================================================
   5. BOOK VIEWER
   ============================================================ */
.book-container {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 0;
    height: calc(100vh - 140px);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-subtle);
}

/* --- Fullscreen Mode --- */
.book-container.fullscreen {
    position: fixed;
    inset: 0;
    z-index: 9998;
    height: 100vh;
    border-radius: 0;
    border: none;
}

/* --- TOC Sidebar --- */
.book-toc-sidebar {
    background: var(--bg-primary);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.book-toc-header {
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid var(--border-subtle);
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent-gold);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-shrink: 0;
}

.book-toc-list {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-sm);
    list-style: none;
    margin: 0;
}

.book-toc-item {
    padding: 8px 12px;
    margin-bottom: 1px;
    font-size: 0.8rem;
    color: var(--text-secondary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-in-out);
    display: flex;
    align-items: baseline;
    gap: var(--space-sm);
    line-height: 1.35;
    border: 1px solid transparent;
}

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

.book-toc-item.active {
    background: var(--accent-gold-glow);
    color: var(--accent-gold);
    border-color: var(--border-gold);
    font-weight: 500;
}

.book-toc-item.toc-chapter {
    font-weight: 600;
    font-size: 0.82rem;
    margin-top: var(--space-sm);
}

.book-toc-item.toc-sub {
    padding-left: 28px;
    font-size: 0.75rem;
    color: var(--text-tertiary);
}

.toc-page-num {
    font-family: var(--font-mono);
    font-size: 0.65rem;
    color: var(--text-muted);
    min-width: 20px;
    text-align: right;
    margin-left: auto;
    flex-shrink: 0;
}

/* --- Single Page Viewer (Right Panel) --- */
.book-viewer-main {
    display: flex;
    flex-direction: column;
    min-width: 0;
    background: #1a1a20;
    position: relative;
}

/* Toolbar */
.book-toolbar {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: 8px 16px;
    background: var(--bg-primary);
    border-bottom: 1px solid var(--border-subtle);
    flex-shrink: 0;
    z-index: 5;
}

.book-toolbar-group {
    display: flex;
    align-items: center;
    gap: 4px;
}

.book-toolbar-divider {
    width: 1px;
    height: 24px;
    background: var(--border-subtle);
    margin: 0 8px;
}

.book-toolbar-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    border-radius: var(--border-radius-sm);
    border: 1px solid transparent;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-in-out);
    flex-shrink: 0;
}

.book-toolbar-btn:hover {
    background: var(--bg-hover);
    color: var(--text-primary);
    border-color: var(--border-subtle);
}

.book-toolbar-btn:active {
    background: var(--accent-gold-glow);
}

.book-toolbar-btn.active {
    color: var(--accent-gold);
    border-color: var(--border-gold);
    background: var(--accent-gold-glow);
}

.book-toolbar-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
    pointer-events: none;
}

.book-toolbar-btn.nav-btn {
    width: 36px;
    height: 36px;
    border: 1px solid var(--border-gold);
    color: var(--accent-gold);
    border-radius: 50%;
}

.book-toolbar-btn.nav-btn:hover {
    background: var(--accent-gold);
    color: var(--bg-primary);
    box-shadow: var(--shadow-gold);
}

.zoom-display {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-secondary);
    min-width: 40px;
    text-align: center;
    user-select: none;
}

.page-indicator {
    font-family: var(--font-sans);
    font-size: 0.82rem;
    color: var(--text-secondary);
    user-select: none;
    white-space: nowrap;
}

.page-indicator span {
    color: var(--accent-gold);
    font-weight: 600;
}

.toolbar-spacer {
    flex: 1;
}

/* --- PDF Viewport --- */
.book-viewport {
    flex: 1;
    overflow: auto;
    display: block;
    padding: var(--space-lg);
    position: relative;
    touch-action: pan-y pinch-zoom;
}

.book-viewport.swiping {
    cursor: grabbing;
    user-select: none;
}

.pdf-page-wrapper {
    position: relative;
    margin: 0 auto;
    width: fit-content;
}

.pdf-page-wrapper canvas {
    display: block;
    border-radius: 2px;
    box-shadow:
        0 2px 8px rgba(0,0,0,0.3),
        0 8px 32px rgba(0,0,0,0.2);
}

/* --- PDF.js Text Layer (selectable text) --- */
.pdf-text-layer {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    line-height: 1.0;
    z-index: 2;
}

.pdf-text-layer span,
.pdf-text-layer br {
    color: transparent;
    position: absolute;
    white-space: pre;
    cursor: text;
    transform-origin: 0% 0%;
}

.pdf-text-layer ::selection {
    background: rgba(212, 175, 55, 0.3);
}

.pdf-text-layer .highlight {
    margin: -1px;
    padding: 1px;
    background-color: rgba(212, 175, 55, 0.2);
    border-radius: 2px;
}

/* --- PDF.js Annotation Layer (hyperlinks) --- */
.pdf-annotation-layer {
    position: absolute;
    left: 0;
    top: 0;
    right: 0;
    bottom: 0;
    z-index: 3;
    pointer-events: none;
}

.pdf-annotation-layer a,
.pdf-annotation-layer .pdf-link {
    position: absolute;
    display: block;
    pointer-events: auto;
    cursor: pointer;
    border-radius: 2px;
    transition: background var(--duration-fast) var(--ease-in-out);
}

.pdf-annotation-layer a:hover,
.pdf-annotation-layer .pdf-link:hover {
    background: rgba(212, 175, 55, 0.12);
    outline: 1px solid rgba(212, 175, 55, 0.25);
}

/* Flip overlay for shadow effect */
.flip-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 5;
    border-radius: 2px;
    overflow: hidden;
}

.flip-overlay.flipping-next {
    animation: pageShadowNext 0.45s cubic-bezier(0.4, 0.0, 0.2, 1) forwards;
}

.flip-overlay.flipping-prev {
    animation: pageShadowPrev 0.45s cubic-bezier(0.4, 0.0, 0.2, 1) forwards;
}

@keyframes pageShadowNext {
    0%   { background: linear-gradient(to left, transparent, transparent); }
    50%  { background: linear-gradient(to left, rgba(0,0,0,0.12) 0%, transparent 60%); }
    100% { background: linear-gradient(to left, transparent, transparent); }
}

@keyframes pageShadowPrev {
    0%   { background: linear-gradient(to right, transparent, transparent); }
    50%  { background: linear-gradient(to right, rgba(0,0,0,0.12) 0%, transparent 60%); }
    100% { background: linear-gradient(to right, transparent, transparent); }
}

@keyframes fadeInPage {
    from { opacity: 0.5; transform: scale(0.98); }
    to   { opacity: 1; transform: scale(1); }
}

.pdf-page-wrapper.page-entering {
    animation: fadeInPage 0.3s ease-out forwards;
}

/* ============================================================
   6. PODCAST PLAYER
   ============================================================ */
.podcast-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    min-height: calc(100vh - 200px);
}

.podcast-metrics {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.metric-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    transition: border-color var(--duration-normal) var(--ease-in-out);
}

.metric-card:hover {
    border-color: var(--border-gold);
}

.metric-card .metric-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: var(--space-sm);
}

.metric-card .metric-value {
    font-family: var(--font-serif);
    font-size: 2rem;
    font-weight: 600;
    color: var(--accent-gold);
}

.metric-card .metric-detail {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-top: var(--space-xs);
}

/* Audio Player */
.audio-player-container {
    background: var(--gradient-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.player-track-info {
    text-align: center;
}

.player-track-info .track-chapter {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--accent-gold);
    margin-bottom: var(--space-xs);
}

.player-track-info .track-title {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--text-primary);
}

/* Waveform */
.player-waveform {
    width: 100%;
    height: 64px;
    border-radius: var(--border-radius-sm);
    background: var(--bg-secondary);
}

/* Seek bar */
.player-seek-container {
    width: 100%;
}

.player-seek {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 4px;
    background: var(--bg-hover);
    border-radius: 2px;
    outline: none;
    cursor: pointer;
}

.player-seek::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    background: var(--accent-gold);
    cursor: pointer;
    box-shadow: 0 0 8px rgba(212,175,55,0.4);
    transition: transform var(--duration-fast) var(--ease-out-expo);
}

.player-seek::-webkit-slider-thumb:hover {
    transform: scale(1.3);
}

.player-times {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
    font-family: var(--font-mono);
}

/* Player controls */
.player-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-lg);
}

.player-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: transparent;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-in-out);
    padding: var(--space-sm);
    border-radius: 50%;
}

.player-btn:hover {
    color: var(--accent-gold);
}

.player-btn-play {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--accent-gold) !important;
    color: var(--bg-primary) !important;
    font-size: 1.4rem;
}

.player-btn-play:hover {
    background: var(--accent-gold-light) !important;
    box-shadow: var(--shadow-gold);
    transform: scale(1.05);
}

/* Volume & speed */
.player-extras {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.volume-control {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.volume-slider {
    width: 80px;
    -webkit-appearance: none;
    appearance: none;
    height: 3px;
    background: var(--bg-hover);
    border-radius: 2px;
    outline: none;
}

.volume-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent-gold);
    cursor: pointer;
}

.speed-selector {
    padding: var(--space-xs) var(--space-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-sm);
    color: var(--text-secondary);
    font-size: 0.75rem;
    font-family: var(--font-sans);
    cursor: pointer;
    outline: none;
}

.speed-selector:focus {
    border-color: var(--accent-gold);
}

/* Track list */
.track-list {
    max-height: 300px;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.track-item {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: background var(--duration-fast) var(--ease-in-out);
    font-size: 0.82rem;
}

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

.track-item.active {
    background: var(--gradient-gold-subtle);
    color: var(--accent-gold);
}

.track-item .track-num {
    width: 24px;
    text-align: center;
    font-size: 0.75rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

.track-item.active .track-num {
    color: var(--accent-gold);
}

.track-item .track-duration {
    margin-left: auto;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-family: var(--font-mono);
}

/* ============================================================
   7. PORTFOLIO / OLFACTORY MAP
   ============================================================ */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
    gap: var(--space-xl);
}

.collection-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-in-out);
    cursor: pointer;
}

.collection-card:hover {
    border-color: var(--border-gold);
    transform: translateY(-4px);
    box-shadow: var(--shadow-gold);
}

.collection-card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-bottom: 1px solid var(--border-subtle);
}

.collection-card-body {
    padding: var(--space-lg);
}

.collection-card-name {
    font-family: var(--font-serif);
    font-size: 1.3rem;
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
}

.collection-card-tagline {
    font-size: 0.78rem;
    color: var(--accent-gold);
    letter-spacing: 0.05em;
    margin-bottom: var(--space-md);
}

.collection-card-count {
    font-size: 0.72rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

/* Variant expander */
.collection-variants {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-slow) var(--ease-out-expo);
}

.collection-card.expanded .collection-variants {
    max-height: 1200px;
}

.variant-item {
    padding: var(--space-md) var(--space-lg);
    border-top: 1px solid var(--border-subtle);
    animation: fadeSlideUp 0.4s var(--ease-out-expo) both;
}

.variant-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-sm);
}

.variant-name {
    font-family: var(--font-serif);
    font-size: 1.05rem;
    color: var(--text-primary);
}

.variant-format {
    font-size: 0.72rem;
    color: var(--text-muted);
}

.variant-tag {
    display: inline-flex;
    align-items: center;
    padding: 2px 10px;
    border-radius: 100px;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin-bottom: var(--space-sm);
}

.variant-tag.hero {
    background: var(--accent-emerald-dim);
    color: var(--accent-emerald);
    border: 1px solid rgba(16, 185, 129, 0.3);
}

.variant-tag.supporting {
    background: var(--accent-blue-dim);
    color: var(--accent-blue);
    border: 1px solid rgba(59, 130, 246, 0.3);
}

.variant-tag.miniature {
    background: var(--accent-gold-glow);
    color: var(--accent-gold);
    border: 1px solid var(--border-gold);
}

.variant-notes {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    margin-top: var(--space-sm);
}

.note-badge {
    padding: 2px 8px;
    border-radius: 100px;
    font-size: 0.65rem;
    font-weight: 500;
    background: var(--bg-elevated);
    color: var(--text-tertiary);
    border: 1px solid var(--border-subtle);
}

.note-badge.top { border-color: rgba(251, 191, 36, 0.3); color: #FBBF24; }
.note-badge.heart { border-color: rgba(244, 63, 94, 0.3); color: #F43F5E; }
.note-badge.base { border-color: rgba(139, 92, 246, 0.3); color: #8B5CF6; }

.variant-profile {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-top: var(--space-sm);
    line-height: 1.6;
}

/* Miniature Strategy Banner */
.miniature-banner {
    grid-column: 1 / -1;
    background: linear-gradient(135deg, rgba(212,175,55,0.08) 0%, rgba(212,175,55,0.02) 100%);
    border: 1px solid var(--border-gold);
    border-radius: var(--border-radius-lg);
    padding: var(--space-2xl);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.miniature-banner-image {
    width: 100%;
    border-radius: var(--border-radius-md);
}

.miniature-banner h3 {
    color: var(--accent-gold);
    font-size: 1.6rem;
    margin-bottom: var(--space-sm);
}

.miniature-banner .mini-subtitle {
    font-size: 0.85rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-lg);
}

.miniature-points {
    list-style: none;
    padding: 0;
}

.miniature-points li {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-xs) 0;
    font-size: 0.82rem;
    color: var(--text-secondary);
}

.miniature-points li::before {
    content: '✦';
    color: var(--accent-gold);
    flex-shrink: 0;
    margin-top: 1px;
}

/* ============================================================
   8. COMPETITOR CANVAS
   ============================================================ */
.competitor-layout {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.canvas-container {
    position: relative;
    width: 100%;
    aspect-ratio: 16 / 10;
    max-height: calc(100vh - 360px);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
}

.canvas-grid {
    position: absolute;
    inset: 60px;
}

.canvas-axis {
    position: absolute;
    background: var(--border-medium);
}

.canvas-axis-x {
    left: 0;
    right: 0;
    top: 50%;
    height: 1px;
}

.canvas-axis-y {
    top: 0;
    bottom: 0;
    left: 50%;
    width: 1px;
}

.canvas-axis-label {
    position: absolute;
    font-size: 0.65rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--text-muted);
    white-space: nowrap;
}

.canvas-axis-label.x-min { left: 0; top: calc(50% + 12px); }
.canvas-axis-label.x-max { right: 0; top: calc(50% + 12px); }
.canvas-axis-label.y-min { left: calc(50% + 12px); bottom: 0; }
.canvas-axis-label.y-max { left: calc(50% + 12px); top: 0; }

.competitor-node {
    position: absolute;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.65rem;
    font-weight: 700;
    color: white;
    cursor: pointer;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 5;
    text-align: center;
    line-height: 1.2;
}

.competitor-node:hover {
    transform: scale(1.15);
    z-index: 10;
}

.competitor-node.hidden {
    opacity: 0;
    transform: scale(0);
}

/* Aurora white-space zone */
.aurora-zone {
    position: absolute;
    border-radius: 50%;
    border: 2px solid var(--accent-gold);
    background: radial-gradient(circle, rgba(212,175,55,0.12) 0%, rgba(212,175,55,0.02) 70%);
    animation: pulseGlow 3s ease-in-out infinite;
    z-index: 3;
}

.aurora-zone-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-serif);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-gold);
    text-align: center;
    white-space: pre-line;
    pointer-events: none;
}

/* Filter toggles */
.canvas-filters {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.filter-toggle {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: 100px;
    border: 1px solid var(--border-subtle);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.78rem;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--duration-normal) var(--ease-in-out);
}

.filter-toggle.active {
    border-color: currentColor;
    background: rgba(255,255,255,0.05);
}

.filter-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

/* Competitor detail card */
.competitor-detail {
    position: absolute;
    bottom: var(--space-lg);
    right: var(--space-lg);
    width: 320px;
    background: var(--glass-bg-heavy);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-lg);
    padding: var(--space-lg);
    opacity: 0;
    transform: translateY(12px);
    transition: all var(--duration-normal) var(--ease-out-expo);
    pointer-events: none;
    z-index: 20;
}

.competitor-detail.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.competitor-detail h4 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
}

.competitor-detail .detail-meta {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-bottom: var(--space-md);
}

.detail-section-title {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-top: var(--space-md);
    margin-bottom: var(--space-xs);
}

.detail-list {
    list-style: none;
    padding: 0;
}

.detail-list li {
    font-size: 0.78rem;
    color: var(--text-secondary);
    padding: 2px 0;
    padding-left: var(--space-md);
    position: relative;
}

.detail-list li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--text-muted);
}

/* ============================================================
   9. FINANCIAL CALCULATOR
   ============================================================ */
.calc-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.calc-inputs {
    display: flex;
    flex-direction: column;
    gap: var(--space-xl);
}

.calc-slider-group {
    background: var(--gradient-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
}

.calc-slider-label {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    margin-bottom: var(--space-md);
}

.calc-slider-label .label-text {
    font-size: 0.78rem;
    font-weight: 500;
    color: var(--text-secondary);
}

.calc-slider-label .label-value {
    font-family: var(--font-mono);
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-gold);
}

.calc-range {
    width: 100%;
    -webkit-appearance: none;
    appearance: none;
    height: 6px;
    background: var(--bg-hover);
    border-radius: 3px;
    outline: none;
    cursor: pointer;
    position: relative;
}

.calc-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-gold);
    cursor: pointer;
    box-shadow: 0 0 12px rgba(212,175,55,0.4);
    transition: transform var(--duration-fast) var(--ease-out-expo);
}

.calc-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.calc-range::-moz-range-thumb {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--accent-gold);
    cursor: pointer;
    border: none;
    box-shadow: 0 0 12px rgba(212,175,55,0.4);
}

.calc-range-bounds {
    display: flex;
    justify-content: space-between;
    font-size: 0.68rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
    font-family: var(--font-mono);
}

/* KPI Output Cards */
.calc-outputs {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.kpi-card {
    background: var(--gradient-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-lg);
    padding: var(--space-xl);
    transition: border-color var(--duration-normal) var(--ease-in-out);
}

.kpi-card .kpi-label {
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-tertiary);
    margin-bottom: var(--space-sm);
}

.kpi-card .kpi-value {
    font-family: var(--font-mono);
    font-size: 1.8rem;
    font-weight: 700;
    transition: color var(--duration-normal) var(--ease-in-out);
}

.kpi-card .kpi-sub {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: var(--space-xs);
}

/* Health bar */
.health-bar {
    width: 100%;
    height: 8px;
    background: var(--bg-hover);
    border-radius: 4px;
    overflow: hidden;
    margin-top: var(--space-md);
}

.health-bar-fill {
    height: 100%;
    border-radius: 4px;
    transition: width var(--duration-normal) var(--ease-out-expo),
                background-color var(--duration-normal) var(--ease-in-out);
    min-width: 2px;
}

/* Waterfall chart */
.waterfall-chart {
    display: flex;
    height: 32px;
    border-radius: var(--border-radius-sm);
    overflow: hidden;
    margin-top: var(--space-md);
}

.waterfall-segment {
    height: 100%;
    transition: width var(--duration-normal) var(--ease-out-expo);
    position: relative;
    min-width: 1px;
}

.waterfall-segment.landed { background: #6366F1; }
.waterfall-segment.channel { background: #8B5CF6; }
.waterfall-segment.marketing { background: #EC4899; }
.waterfall-segment.margin-positive { background: var(--accent-emerald); }
.waterfall-segment.margin-negative { background: var(--accent-red); }

.waterfall-legend {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    margin-top: var(--space-md);
}

.waterfall-legend-item {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.68rem;
    color: var(--text-muted);
}

.waterfall-legend-dot {
    width: 8px;
    height: 8px;
    border-radius: 2px;
}

/* Alert token */
.unprofitable-alert {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-md);
    background: var(--accent-red-dim);
    border: 1px solid rgba(239,68,68,0.3);
    border-radius: var(--border-radius-md);
    color: var(--accent-red);
    font-size: 0.82rem;
    font-weight: 600;
    animation: pulse-subtle 2s ease-in-out infinite;
}

/* ============================================================
   10. CHATBOT
   ============================================================ */
.chat-layout {
    display: flex;
    flex-direction: column;
    height: calc(100vh - 160px);
    max-width: 800px;
    margin: 0 auto;
}

.chat-messages {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg) 0;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.chat-message {
    display: flex;
    gap: var(--space-md);
    max-width: 85%;
    animation: fadeSlideUp 0.3s var(--ease-out-expo) both;
}

.chat-message.user {
    align-self: flex-end;
    flex-direction: row-reverse;
}

.chat-message.assistant {
    align-self: flex-start;
}

.chat-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
}

.chat-message.user .chat-avatar {
    background: var(--accent-gold);
    color: var(--bg-primary);
}

.chat-message.assistant .chat-avatar {
    background: var(--bg-elevated);
    color: var(--accent-gold);
    border: 1px solid var(--border-gold);
}

.chat-bubble {
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--border-radius-lg);
    font-size: 0.88rem;
    line-height: 1.7;
}

.chat-message.user .chat-bubble {
    background: linear-gradient(135deg, rgba(212,175,55,0.15) 0%, rgba(212,175,55,0.08) 100%);
    border: 1px solid var(--border-gold);
    color: var(--text-primary);
    border-bottom-right-radius: var(--border-radius-sm);
}

.chat-message.assistant .chat-bubble {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    color: var(--text-secondary);
    border-bottom-left-radius: var(--border-radius-sm);
}

/* Typing indicator */
.typing-indicator {
    display: flex;
    gap: 4px;
    padding: var(--space-md) var(--space-lg);
}

.typing-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--text-muted);
    animation: typingBounce 1.4s ease-in-out infinite;
}

.typing-dot:nth-child(2) { animation-delay: 0.2s; }
.typing-dot:nth-child(3) { animation-delay: 0.4s; }

/* Chat input */
.chat-input-area {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border-subtle);
}

.strategy-chips {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
}

.strategy-chip {
    padding: var(--space-sm) var(--space-md);
    border-radius: 100px;
    border: 1px solid var(--border-subtle);
    background: transparent;
    color: var(--text-secondary);
    font-size: 0.75rem;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-in-out);
    white-space: nowrap;
}

.strategy-chip:hover {
    border-color: var(--border-gold);
    color: var(--accent-gold);
    background: var(--accent-gold-glow);
}

.chat-input-wrapper {
    display: flex;
    gap: var(--space-sm);
    align-items: flex-end;
}

.chat-input {
    flex: 1;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-lg);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 0.88rem;
    outline: none;
    resize: none;
    min-height: 48px;
    max-height: 120px;
    transition: border-color var(--duration-fast) var(--ease-in-out);
}

.chat-input:focus {
    border-color: var(--border-gold);
}

.chat-input::placeholder {
    color: var(--text-muted);
}

.chat-send-btn {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-md);
    border: none;
    background: var(--accent-gold);
    color: var(--bg-primary);
    font-size: 1.2rem;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-in-out);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.chat-send-btn:hover {
    background: var(--accent-gold-light);
    box-shadow: var(--shadow-gold);
}

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

/* Live model badge */
.chat-model-badge {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.68rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
    letter-spacing: 0.04em;
}

.model-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent-emerald);
    box-shadow: 0 0 6px var(--accent-emerald);
    animation: modelPulse 2s ease-in-out infinite;
    flex-shrink: 0;
}

@keyframes modelPulse {
    0%, 100% { opacity: 1; }
    50%       { opacity: 0.4; }
}

/* System prompt panel */
.system-prompt-toggle {
    font-size: 0.7rem;
    color: var(--text-muted);
    cursor: pointer;
    margin-top: var(--space-sm);
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.system-prompt-toggle:hover {
    color: var(--text-secondary);
}

.system-prompt-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height var(--duration-slow) var(--ease-out-expo);
}

.system-prompt-panel.expanded {
    max-height: 400px;
}

.system-prompt-content {
    padding: var(--space-md);
    margin-top: var(--space-sm);
    background: var(--bg-secondary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--border-radius-md);
    font-family: var(--font-mono);
    font-size: 0.72rem;
    color: var(--text-tertiary);
    line-height: 1.6;
    white-space: pre-wrap;
    max-height: 350px;
    overflow-y: auto;
}

/* ============================================================
   11. ANIMATIONS
   ============================================================ */
@keyframes shimmer-gold {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

@keyframes pulse-subtle {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

@keyframes pulseGlow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(212,175,55,0.15), 0 0 60px rgba(212,175,55,0.05);
        border-color: rgba(212,175,55,0.4);
    }
    50% {
        box-shadow: 0 0 30px rgba(212,175,55,0.3), 0 0 80px rgba(212,175,55,0.1);
        border-color: rgba(212,175,55,0.7);
    }
}

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

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    10%, 50%, 90% { transform: translateX(-6px); }
    30%, 70% { transform: translateX(6px); }
}

@keyframes pageFlip {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(-180deg); }
}

@keyframes pageFlipReverse {
    0% { transform: rotateY(0deg); }
    100% { transform: rotateY(180deg); }
}

@keyframes typingBounce {
    0%, 60%, 100% { transform: translateY(0); }
    30% { transform: translateY(-6px); }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(24px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* Staggered child animations */
.stagger-children > *:nth-child(1) { animation-delay: 0.05s; }
.stagger-children > *:nth-child(2) { animation-delay: 0.10s; }
.stagger-children > *:nth-child(3) { animation-delay: 0.15s; }
.stagger-children > *:nth-child(4) { animation-delay: 0.20s; }
.stagger-children > *:nth-child(5) { animation-delay: 0.25s; }
.stagger-children > *:nth-child(6) { animation-delay: 0.30s; }
.stagger-children > *:nth-child(7) { animation-delay: 0.35s; }
.stagger-children > *:nth-child(8) { animation-delay: 0.40s; }

/* ============================================================
   12. UTILITY CLASSES
   ============================================================ */
.text-gold { color: var(--accent-gold); }
.text-emerald { color: var(--accent-emerald); }
.text-blue { color: var(--accent-blue); }
.text-red { color: var(--accent-red); }
.text-muted { color: var(--text-muted); }

.font-serif { font-family: var(--font-serif); }
.font-sans { font-family: var(--font-sans); }
.font-mono { font-family: var(--font-mono); }

.glass-panel {
    background: var(--glass-bg);
    backdrop-filter: var(--glass-blur);
    -webkit-backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-border);
}

.gold-glow {
    box-shadow: var(--shadow-gold);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* ============================================================
   13. FLOATING CHAT BUTTON
   ============================================================ */
.floating-chat-btn {
    position: fixed;
    bottom: 28px;
    right: 28px;
    z-index: 9000;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    border: none;
    background: var(--gradient-gold);
    color: var(--bg-primary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow:
        0 4px 16px rgba(212,175,55,0.35),
        0 8px 32px rgba(0,0,0,0.3);
    transition: all var(--duration-normal) var(--ease-out-expo);
    animation: floatBtnPulse 3s ease-in-out infinite;
}

.floating-chat-btn:hover {
    transform: scale(1.1);
    box-shadow:
        0 6px 24px rgba(212,175,55,0.5),
        0 12px 40px rgba(0,0,0,0.4);
}

.floating-chat-btn:active {
    transform: scale(0.95);
}

.floating-chat-btn.chat-active {
    background: var(--bg-elevated);
    border: 1px solid var(--border-gold);
    color: var(--accent-gold);
    animation: none;
}

.floating-chat-btn.chat-active:hover {
    box-shadow:
        0 4px 16px rgba(212,175,55,0.25),
        0 8px 32px rgba(0,0,0,0.3);
}

/* Pulse ring */
.floating-chat-btn::before {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--accent-gold);
    opacity: 0;
    animation: chatRing 3s ease-in-out infinite;
}

.floating-chat-btn.chat-active::before {
    display: none;
}

.chat-btn-badge {
    display: none;
}

@keyframes floatBtnPulse {
    0%, 100% { transform: translateY(0); }
    50%      { transform: translateY(-4px); }
}

@keyframes chatRing {
    0%   { opacity: 0; transform: scale(0.8); }
    50%  { opacity: 0.4; transform: scale(1); }
    100% { opacity: 0; transform: scale(1.2); }
}

/* ============================================================
   14. RESPONSIVE — Tablet (≤1200px)
   ============================================================ */
@media (max-width: 1200px) {
    :root {
        --sidebar-width: 240px;
    }
    .portal-section {
        padding: var(--space-2xl);
    }
}

/* ============================================================
   15. RESPONSIVE — Small Tablet (≤1024px)
   ============================================================ */
@media (max-width: 1024px) {
    .calc-layout {
        grid-template-columns: 1fr;
    }
    .podcast-layout {
        grid-template-columns: 1fr;
    }
    .miniature-banner {
        grid-template-columns: 1fr;
    }
    /* Book viewer: stack TOC above PDF */
    .book-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
    }
    .book-toc-sidebar {
        max-height: 200px;
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
    }
    .book-container.fullscreen .book-toc-sidebar {
        max-height: 180px;
    }
    /* Competitor canvas */
    .competitor-layout {
        grid-template-columns: 1fr;
    }
}

/* ============================================================
   16. RESPONSIVE — Mobile (≤768px)
   ============================================================ */
@media (max-width: 768px) {
    :root {
        --sidebar-width: 280px;
        --space-2xl: 32px;
        --space-3xl: 40px;
    }

    /* --- Sidebar: overlay on mobile (hidden by default) --- */
    #sidebar {
        width: var(--sidebar-width);
        z-index: 200;
        transform: translateX(-100%);
    }

    #sidebar.visible {
        transform: translateX(-100%); /* still hidden on mobile unless toggled */
    }

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

    /* Show close button inside sidebar on mobile */
    .sidebar-close-btn {
        display: flex;
    }

    /* Show hamburger button on mobile */
    .mobile-menu-btn.shown {
        display: flex;
    }

    /* Backdrop visible when sidebar is open */
    .sidebar-backdrop.active {
        display: block;
    }

    /* Content always takes full width on mobile */
    #app-viewport.with-sidebar {
        margin-left: 0;
    }

    /* --- General section padding --- */
    .portal-section {
        padding: var(--space-lg) var(--space-md);
    }

    .section-header h2 {
        font-size: 1.5rem;
    }

    .section-header .section-desc {
        font-size: 0.85rem;
    }

    /* --- Typography scaling --- */
    h1 { font-size: 1.8rem; }
    h2 { font-size: 1.5rem; }
    h3 { font-size: 1.2rem; }

    /* --- Passport shield --- */
    .passport-brand {
        font-size: 2rem;
    }

    .passport-container {
        padding: var(--space-lg);
        max-width: 100%;
    }

    .passport-subtitle {
        font-size: 0.65rem;
    }

    /* --- Book viewer --- */
    .book-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto 1fr;
        height: calc(100vh - 120px);
    }

    .book-toc-sidebar {
        max-height: 160px;
        border-right: none;
        border-bottom: 1px solid var(--border-subtle);
    }

    .book-toolbar {
        padding: 6px 10px;
        gap: 6px;
        flex-wrap: wrap;
    }

    .book-toolbar-btn.nav-btn {
        width: 32px;
        height: 32px;
    }

    .book-toolbar-btn {
        width: 28px;
        height: 28px;
    }

    .book-toolbar-divider {
        height: 20px;
        margin: 0 4px;
    }

    .page-indicator {
        font-size: 0.75rem;
    }

    .zoom-display {
        font-size: 0.7rem;
        min-width: 32px;
    }

    .book-viewport {
        padding: var(--space-sm);
    }

    /* Fullscreen mode on mobile */
    .book-container.fullscreen {
        grid-template-rows: auto 1fr;
    }

    .book-container.fullscreen .book-toc-sidebar {
        max-height: 140px;
    }

    /* --- Podcast player --- */
    .podcast-layout {
        grid-template-columns: 1fr;
        min-height: auto;
        gap: var(--space-lg);
    }

    .metric-card .metric-value {
        font-size: 1.5rem;
    }

    .player-track-info .track-title {
        font-size: 1.1rem;
    }

    .player-btn-play {
        width: 48px;
        height: 48px;
    }

    .player-controls {
        gap: var(--space-md);
    }

    /* --- Portfolio --- */
    .portfolio-grid {
        grid-template-columns: 1fr;
    }

    .product-card .product-image {
        height: 200px;
    }

    .miniature-banner {
        grid-template-columns: 1fr;
    }

    /* --- Competitor canvas --- */
    .competitor-layout {
        grid-template-columns: 1fr;
    }

    .matrix-container {
        min-height: 300px;
    }

    /* --- Financial calculator --- */
    .calc-layout {
        grid-template-columns: 1fr;
    }

    .kpi-row {
        grid-template-columns: 1fr 1fr;
        gap: var(--space-sm);
    }

    .kpi-card .kpi-value {
        font-size: 1.4rem;
    }

    /* --- Chatbot --- */
    .chat-layout {
        height: calc(100vh - 120px);
        max-width: 100%;
    }

    .chat-message {
        max-width: 92%;
    }

    .chat-input-area {
        padding: var(--space-sm);
    }

    .chat-input-area input {
        font-size: 0.85rem;
    }

    .chat-chips {
        gap: var(--space-xs);
    }

    .chat-chip {
        font-size: 0.7rem;
        padding: 6px 10px;
    }

    /* --- Floating chat button --- */
    .floating-chat-btn {
        bottom: 20px;
        right: 16px;
        width: 50px;
        height: 50px;
    }

    .floating-chat-btn svg {
        width: 20px;
        height: 20px;
    }

    /* --- Nav sidebar on mobile --- */
    .sidebar-brand .brand-name {
        font-size: 1.3rem;
    }

    .nav-item {
        font-size: 0.9rem;
        padding: var(--space-md) var(--space-lg);
    }
}

/* ============================================================
   17. RESPONSIVE — Small Mobile (≤480px)
   ============================================================ */
@media (max-width: 480px) {
    .portal-section {
        padding: var(--space-md) var(--space-sm);
    }

    .section-header h2 {
        font-size: 1.3rem;
    }

    .passport-brand {
        font-size: 1.6rem;
    }

    .passport-input {
        font-size: 0.85rem;
    }

    .passport-submit {
        font-size: 0.7rem;
        padding: var(--space-sm) var(--space-lg);
    }

    /* Book viewer toolbar compact */
    .book-toolbar {
        padding: 4px 8px;
    }

    .book-toc-sidebar {
        max-height: 120px;
    }

    .book-toc-item {
        font-size: 0.72rem;
        padding: 6px 8px;
    }

    /* Financial calc */
    .kpi-row {
        grid-template-columns: 1fr;
    }

    /* Chatbot */
    .chat-message .chat-bubble {
        font-size: 0.82rem;
    }

    .chat-avatar {
        width: 28px;
        height: 28px;
        font-size: 0.65rem;
    }
}