/* ════════════════════════════════════════
   DESIGN SYSTEM · 易因 v3.1
   Inspired by Linear, Vercel, Arc Browser
   ════════════════════════════════════════ */

:root {
    /* Base */
    --bg-primary: #030305;
    --bg-secondary: #0a0a0f;
    --bg-tertiary: #111118;
    --bg-elevated: #16161f;
    --bg-floating: #1c1c28;
    --bg-overlay: rgba(0,0,0,0.6);

    /* Surfaces */
    --surface-default: rgba(255,255,255,0.02);
    --surface-hover: rgba(255,255,255,0.04);
    --surface-active: rgba(255,255,255,0.06);
    --surface-selected: rgba(201,169,110,0.08);

    /* Borders */
    --border-subtle: rgba(255,255,255,0.04);
    --border-default: rgba(255,255,255,0.08);
    --border-strong: rgba(255,255,255,0.12);
    --border-accent: rgba(201,169,110,0.2);

    /* Text */
    --text-primary: #f0f0f5;
    --text-secondary: rgba(240,240,245,0.65);
    --text-tertiary: rgba(240,240,245,0.4);
    --text-disabled: rgba(240,240,245,0.25);

    /* Accent · 琥珀金 */
    --accent-50: #fdf8f0;
    --accent-100: #f5e6cc;
    --accent-200: #e8cc99;
    --accent-300: #d4b366;
    --accent-400: #c9a96e;
    --accent-500: #b8944a;
    --accent-600: #9a7a3a;
    --accent-700: #7a6030;
    --accent-glow: rgba(201,169,110,0.15);

    /* Semantic */
    --success: #5a9a6e;
    --success-dim: rgba(90,154,110,0.15);
    --warning: #c9a96e;
    --warning-dim: rgba(201,169,110,0.15);
    --danger: #c94f4f;
    --danger-dim: rgba(201,79,79,0.15);
    --info: #6b8cae;
    --info-dim: rgba(107,140,174,0.15);

    /* Yin-Yang */
    --yang: #c9a96e;
    --yang-dim: rgba(201,169,110,0.3);
    --yin: #5a6a7a;
    --yin-dim: rgba(90,106,122,0.3);

    /* Spacing · 8px grid */
    --space-1: 4px;
    --space-2: 8px;
    --space-3: 12px;
    --space-4: 16px;
    --space-5: 20px;
    --space-6: 24px;
    --space-8: 32px;
    --space-10: 40px;
    --space-12: 48px;
    --space-16: 64px;
    --space-20: 80px;

    /* Typography */
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-serif: 'Noto Serif SC', 'Songti SC', serif;
    --font-mono: 'SF Mono', 'Fira Code', monospace;

    /* Radius */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 14px;
    --radius-xl: 20px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.3);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.4);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.5);
    --shadow-glow: 0 0 40px rgba(201,169,110,0.08);

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 250ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 350ms cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 500ms cubic-bezier(0.34, 1.56, 0.64, 1);

    /* Layout */
    --sidebar-width: 260px;
    --header-height: 64px;
    --max-content-width: 760px;

    /* Pratitya node colors */
    --node-avidya: #e8a0a0;
    --node-samskara: #e8c4a0;
    --node-vijnana: var(--accent-300);
    --node-namarupa: #d4d4a0;
    --node-sadayatana: #a0d4a0;
    --node-sparsha: #a0d4d4;
    --node-vedana: #a0c8e8;
    --node-trishna: #b0b0e8;
    --node-upadana: #d4a0d4;
    --node-bhava: #e8a0b4;
    --node-jati: #d4c4a0;
    --node-jaramarana: #c0c0c0;
    --node-avidya-bg: var(--node-avidya-bg);
    --node-samskara-bg: var(--node-samskara-bg);
    --node-vijnana-bg: var(--node-vijnana-bg);
    --node-namarupa-bg: var(--node-namarupa-bg);
    --node-sadayatana-bg: var(--node-sadayatana-bg);
    --node-sparsha-bg: var(--node-sparsha-bg);
    --node-vedana-bg: var(--node-vedana-bg);
    --node-trishna-bg: var(--node-trishna-bg);
    --node-upadana-bg: var(--node-upadana-bg);
    --node-bhava-bg: var(--node-bhava-bg);
    --node-jati-bg: var(--node-jati-bg);
    --node-jaramarana-bg: var(--node-jaramarana-bg);
    --node-avidya-bg-02: var(--node-avidya-bg-02);
    --node-samskara-bg-02: var(--node-samskara-bg-02);
    --node-vijnana-bg-02: rgba(201,169,110,0.2);
    --node-namarupa-bg-02: var(--node-namarupa-bg-02);
    --node-sadayatana-bg-02: var(--node-sadayatana-bg-02);
    --node-sparsha-bg-02: var(--node-sparsha-bg-02);
    --node-vedana-bg-02: var(--node-vedana-bg-02);
    --node-trishna-bg-02: var(--node-trishna-bg-02);
    --node-upadana-bg-02: var(--node-upadana-bg-02);
    --node-bhava-bg-02: var(--node-bhava-bg-02);
    --node-jati-bg-02: var(--node-jati-bg-02);
    --node-jaramarana-bg-02: var(--node-jaramarana-bg-02);
}

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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: var(--font-sans);
    font-size: 14px;
    line-height: 1.6;
    min-height: 100vh; height: 100dvh; min-height: 100dvh;
    overflow-x: hidden;
}

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--text-tertiary); }

/* Selection */
::selection { background: var(--accent-glow); color: var(--accent-200); }

/* ════════════════════════════════════════
   ANIMATIONS
   ════════════════════════════════════════ */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInScale {
    from { opacity: 0; transform: scale(0.96); }
    to { opacity: 1; transform: scale(1); }
}
@keyframes slideInRight {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}
@keyframes slideInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}
@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}
@keyframes pulse-glow {
    0%, 100% { box-shadow: 0 0 20px rgba(201,169,110,0.1); }
    50% { box-shadow: 0 0 40px rgba(201,169,110,0.2); }
}
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-6px); }
}
@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}
@keyframes toastIn {
    from { opacity: 0; transform: translateX(-50%) translateY(20px) scale(0.95); }
    to { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
}
@keyframes toastOut {
    from { opacity: 1; transform: translateX(-50%) translateY(0) scale(1); }
    to { opacity: 0; transform: translateX(-50%) translateY(10px) scale(0.95); }
}
@keyframes progress {
    from { width: 0%; }
    to { width: 100%; }
}
@keyframes breathe {
    0%, 100% { opacity: 0.4; }
    50% { opacity: 1; }
}
@keyframes ring {
    0% { transform: scale(1); opacity: 0.5; }
    100% { transform: scale(1.5); opacity: 0; }
}
@keyframes countUp {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fadeIn { animation: fadeIn var(--transition-base) forwards; }
.animate-fadeInScale { animation: fadeInScale var(--transition-base) forwards; }
.animate-slideInRight { animation: slideInRight var(--transition-base) forwards; }
.animate-slideInUp { animation: slideInUp var(--transition-base) forwards; }

/* Stagger children */
.stagger-children > * {
    opacity: 0;
    animation: fadeIn var(--transition-base) forwards;
}
.stagger-children > *:nth-child(1) { animation-delay: 0ms; }
.stagger-children > *:nth-child(2) { animation-delay: 50ms; }
.stagger-children > *:nth-child(3) { animation-delay: 100ms; }
.stagger-children > *:nth-child(4) { animation-delay: 150ms; }
.stagger-children > *:nth-child(5) { animation-delay: 200ms; }
.stagger-children > *:nth-child(6) { animation-delay: 250ms; }

/* ════════════════════════════════════════
   LAYOUT
   ════════════════════════════════════════ */
.app { display: flex; min-height: 100vh; height: 100dvh; min-height: 100dvh; }

/* Sidebar */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-subtle);
    display: flex;
    flex-direction: column;
    position: fixed;
    left: 0; top: 0; bottom: 0;
    z-index: 100;
    transition: transform var(--transition-base);
}

.sidebar-header {
    padding: var(--space-5) var(--space-5) var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.brand { display: flex; align-items: center; gap: var(--space-3); }

.brand-icon {
    width: 34px; height: 34px;
    background: linear-gradient(135deg, var(--accent-400), var(--accent-600));
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 16px; color: var(--bg-primary);
    font-weight: 700; font-family: var(--font-serif);
    box-shadow: 0 0 20px rgba(201,169,110,0.15);
    position: relative;
}

.brand-icon::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: var(--radius-md);
    border: 1px solid rgba(201,169,110,0.2);
    animation: ring 2s infinite;
}

.brand-text {
    font-family: var(--font-serif);
    font-size: 18px; font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 2px;
}

.brand-sub {
    font-size: 11px;
    color: var(--text-tertiary);
    letter-spacing: 1px;
    margin-top: 2px;
}

.sidebar-nav {
    flex: 1;
    padding: var(--space-4);
    overflow-y: auto;
}

.nav-section { margin-bottom: var(--space-6); }

.nav-section-title {
    font-size: 11px; font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    padding: 0 var(--space-3);
    margin-bottom: var(--space-2);
}

.nav-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: 2px;
    position: relative;
}

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

.nav-item.active {
    background: var(--surface-selected);
    color: var(--accent-300);
}

.nav-item.active::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 3px; height: 16px;
    background: var(--accent-400);
    border-radius: 0 2px 2px 0;
}

.nav-icon {
    width: 18px; height: 18px;
    opacity: 0.7;
    transition: opacity var(--transition-fast);
}

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

.nav-badge {
    margin-left: auto;
    background: var(--accent-glow);
    color: var(--accent-300);
    font-size: 11px;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    font-weight: 500;
}

.sidebar-footer {
    padding: var(--space-4);
    border-top: 1px solid var(--border-subtle);
}

.user-info {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.user-info:hover { background: var(--surface-hover); }

.user-avatar {
    width: 28px; height: 28px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--accent-600), var(--accent-400));
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 600;
    color: var(--bg-primary);
}

.user-name { font-size: 13px; color: var(--text-secondary); }

/* Main Content */
.main {
    flex: 1;
    margin-left: var(--sidebar-width);
    display: flex;
    flex-direction: column;
    min-height: 100vh; height: 100dvh; min-height: 100dvh;
}

/* Header */
.header {
    height: var(--header-height);
    background: rgba(3,3,5,0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-subtle);
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 var(--space-6);
    position: sticky;
    top: 0;
    z-index: 50;
}

.header-left { display: flex; align-items: center; gap: var(--space-4); }

.page-title {
    font-family: var(--font-serif);
    font-size: 16px; font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 1px;
}

.header-right { display: flex; align-items: center; gap: var(--space-3); }

.header-btn {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    background: var(--surface-default);
    border: 1px solid var(--border-default);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.header-btn:hover {
    background: var(--surface-hover);
    border-color: var(--border-strong);
    color: var(--text-primary);
}

.header-btn.primary {
    background: var(--accent-400);
    color: var(--bg-primary);
    border-color: transparent;
    font-weight: 500;
}

.header-btn.primary:hover {
    background: var(--accent-300);
    box-shadow: 0 0 20px var(--accent-glow);
}

/* Command Palette Trigger */
.cmd-trigger {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    background: var(--surface-default);
    border: 1px solid var(--border-default);
    color: var(--text-tertiary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
    min-width: 200px;
}

.cmd-trigger:hover {
    background: var(--surface-hover);
    border-color: var(--border-strong);
    color: var(--text-secondary);
}

.cmd-kbd {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
}

/* Content Area */
.content {
    flex: 1;
    padding: var(--space-8) var(--space-6);
    max-width: var(--max-content-width);
    width: 100%;
    margin: 0 auto;
}

/* ════════════════════════════════════════
   KNOWLEDGE VIEWS — FULL WIDTH BREAKOUT
   ════════════════════════════════════════ */

.phenomenology-view,
.praxis-view,
.contradiction-view,
.stoic-view,
.gua-view {
    width: calc(100vw - var(--sidebar-width));
    margin-left: calc(-1 * ((100vw - var(--sidebar-width) - 100%) / 2));
    padding: 0 var(--space-6);
    box-sizing: border-box;
}

@media (max-width: 768px) {
    .phenomenology-view,
    .praxis-view,
    .contradiction-view,
    .stoic-view,
    .gua-view {
        width: 100%;
        margin-left: 0;
        padding: 0;
    }
}

/* ════════════════════════════════════════
   HERO SECTION
   ════════════════════════════════════════ */
.hero {
    text-align: center;
    padding: var(--space-12) 0 var(--space-10);
    position: relative;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(201,169,110,0.06) 0%, transparent 70%);
    pointer-events: none;
    z-index: 0;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-1) var(--space-3);
    background: var(--accent-glow);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-full);
    font-size: 12px;
    color: var(--accent-300);
    margin-bottom: var(--space-5);
    position: relative;
    z-index: 1;
}

.hero-badge::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--accent-400);
    border-radius: var(--radius-full);
    animation: pulse-glow 2s infinite;
}

.hero-title {
    font-family: var(--font-serif);
    font-size: 42px; font-weight: 700;
    color: var(--text-primary);
    letter-spacing: 6px;
    margin-bottom: var(--space-4);
    position: relative;
    z-index: 1;
}

.hero-title span {
    background: linear-gradient(135deg, var(--accent-300), var(--accent-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 16px;
    color: var(--text-secondary);
    max-width: 480px;
    margin: 0 auto var(--space-8);
    line-height: 1.8;
    position: relative;
    z-index: 1;
}

/* ════════════════════════════════════════
   INPUT SECTION
   ════════════════════════════════════════ */
.input-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    position: relative;
    z-index: 1;
    transition: all var(--transition-base);
}

.input-card:focus-within {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-glow);
}

.input-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-4);
}

.input-label {
    font-size: 13px; font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.input-label-icon {
    width: 16px; height: 16px;
    opacity: 0.6;
}

.input-actions { display: flex; gap: var(--space-2); }

.input-action-btn {
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    font-size: 12px;
    cursor: pointer;
    transition: all var(--transition-fast);
    display: flex;
    align-items: center;
    gap: var(--space-1);
}

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

.textarea-wrapper { position: relative; }

.main-textarea {
    width: 100%;
    min-height: 140px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    color: var(--text-primary);
    font-size: 15px;
    line-height: 1.8;
    resize: vertical;
    font-family: var(--font-sans);
    transition: all var(--transition-fast);
}

.main-textarea::placeholder { color: var(--text-disabled); }

.main-textarea:focus {
    outline: none;
    border-color: var(--border-accent);
    background: var(--bg-floating);
}

.textarea-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: var(--space-3);
}

.textarea-hint { font-size: 12px; color: var(--text-tertiary); }

.textarea-count {
    font-size: 12px;
    color: var(--text-tertiary);
    font-family: var(--font-mono);
}

/* ════════════════════════════════════════
   REAL-TIME PREVIEW
   ════════════════════════════════════════ */
.live-preview {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    display: none;
}

.live-preview.active {
    display: block;
    animation: fadeIn var(--transition-base);
}

.live-preview-header {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    font-size: 12px;
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
    font-weight: 500;
}

.live-preview-header::before {
    content: '';
    width: 6px; height: 6px;
    background: var(--accent-400);
    border-radius: var(--radius-full);
    animation: breathe 2s infinite;
}

.live-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    margin-bottom: var(--space-3);
}

.live-tag {
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-size: 12px;
    background: var(--surface-default);
    border: 1px solid var(--border-default);
    color: var(--text-secondary);
    transition: all var(--transition-fast);
}

.live-tag.match {
    background: var(--accent-glow);
    border-color: var(--border-accent);
    color: var(--accent-300);
}

.live-gua-hint {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3);
    background: var(--surface-default);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-subtle);
}

.live-gua-symbol {
    width: 40px; height: 40px;
    background: linear-gradient(135deg, var(--accent-glow), rgba(201,169,110,0.05));
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-md);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px;
    color: var(--accent-300);
    font-family: var(--font-serif);
}

.live-gua-info { flex: 1; }

.live-gua-name { font-size: 14px; font-weight: 500; color: var(--text-primary); }

.live-gua-desc { font-size: 12px; color: var(--text-tertiary); margin-top: 2px; }

/* ════════════════════════════════════════
   OPTIONS
   ════════════════════════════════════════ */
.options-section { margin-top: var(--space-5); }

.options-title {
    font-size: 12px; font-weight: 500;
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.options-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-2);
}

.option-chip {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-1);
    padding: var(--space-3);
    background: var(--surface-default);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-md);
    color: var(--text-secondary);
    font-size: 13px;
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: left;
}

.option-chip:hover {
    background: var(--surface-hover);
    border-color: var(--border-default);
}

.option-chip.selected {
    background: var(--surface-selected);
    border-color: var(--border-accent);
    color: var(--accent-300);
}

.option-chip .chip-title { font-weight: 500; color: var(--text-primary); }

.option-chip.selected .chip-title { color: var(--accent-300); }

.option-chip .chip-desc { font-size: 11px; color: var(--text-tertiary); }

/* ════════════════════════════════════════
   TIME DIVINATION
   ════════════════════════════════════════ */
.time-divination {
    margin-top: var(--space-5);
    padding: var(--space-4);
    background: linear-gradient(135deg, rgba(201,169,110,0.03), rgba(90,154,110,0.03));
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
}

.time-divination-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.time-divination-title {
    font-size: 13px; font-weight: 500;
    color: var(--accent-300);
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.time-divination-body {
    display: flex;
    align-items: center;
    gap: var(--space-4);
}

.time-gua-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-1);
}

.time-gua-symbol {
    width: 48px; height: 48px;
    background: linear-gradient(135deg, var(--accent-glow), rgba(201,169,110,0.05));
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    font-size: 24px;
    color: var(--accent-300);
    font-family: var(--font-serif);
}

.time-gua-name { font-size: 12px; color: var(--text-secondary); }

.time-divination-info { flex: 1; }

.time-divination-info p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

.time-divination-actions {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-3);
}

/* ════════════════════════════════════════
   ANALYZE BUTTON
   ════════════════════════════════════════ */
.analyze-section {
    margin-top: var(--space-6);
    display: flex;
    gap: var(--space-3);
}

.btn-analyze {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-6);
    background: linear-gradient(135deg, var(--accent-400), var(--accent-500));
    border: none;
    border-radius: var(--radius-lg);
    color: var(--bg-primary);
    font-size: 15px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-base);
    letter-spacing: 2px;
    position: relative;
    overflow: hidden;
}

.btn-analyze::before {
    content: '';
    position: absolute;
    top: 0; left: -100%;
    width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-analyze:hover::before { left: 100%; }

.btn-analyze:hover {
    transform: translateY(-1px);
    box-shadow: 0 8px 32px rgba(201,169,110,0.25);
}

.btn-analyze:active { transform: translateY(0); }

.btn-analyze:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none;
    box-shadow: none;
    background: linear-gradient(135deg, var(--accent-600), var(--accent-700));
}

.btn-analyze.loading {
    pointer-events: none;
    background: linear-gradient(135deg, var(--accent-600), var(--accent-700));
}

.btn-analyze.loading .btn-text {
    opacity: 0.7;
}

.btn-analyze .btn-loader {
    display: none;
    gap: 4px;
}

.btn-analyze.loading .btn-loader {
    display: flex;
}

.btn-analyze.loading .btn-icon {
    display: none;
}

.btn-loader-dot {
    width: 6px; height: 6px;
    border-radius: 50%;
    background: currentColor;
    animation: btnLoaderPulse 1.4s infinite ease-in-out both;
}

.btn-loader-dot:nth-child(1) { animation-delay: -0.32s; }
.btn-loader-dot:nth-child(2) { animation-delay: -0.16s; }

@keyframes btnLoaderPulse {
    0%, 80%, 100% { transform: scale(0); opacity: 0.5; }
    40% { transform: scale(1); opacity: 1; }
}

.btn-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-4) var(--space-4);
    background: var(--surface-default);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    color: var(--text-secondary);
    font-size: 14px;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-secondary:hover {
    background: var(--surface-hover);
    border-color: var(--border-strong);
    color: var(--text-primary);
}

/* ════════════════════════════════════════
   ANALYZE SETUP / RESULTS TOGGLE
   ════════════════════════════════════════ */
#analyzeSetup.hidden {
    display: none;
}

/* ════════════════════════════════════════
   RESULTS
   ════════════════════════════════════════ */
.results {
    margin-top: var(--space-8);
    display: none;
}

.results.active { display: block; }

.result-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.result-toolbar-title {
    font-family: var(--font-serif);
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
}

.result-streaming {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-primary);
    max-width: 800px;
    margin: 0 auto;
}

.result-streaming h1,
.result-streaming h2,
.result-streaming h3,
.result-streaming h4 {
    margin-top: var(--space-6);
    margin-bottom: var(--space-4);
    color: var(--text-primary);
}
.result-streaming h1 { font-size: 22px; }
.result-streaming h2 { font-size: 20px; }
.result-streaming h3 { font-size: 18px; }
.result-streaming p {
    margin-bottom: var(--space-4);
}
.result-streaming ul,
.result-streaming ol {
    margin-bottom: var(--space-4);
    padding-left: var(--space-6);
}
.result-streaming li {
    margin-bottom: var(--space-2);
}
.result-streaming blockquote {
    border-left: 3px solid var(--border-default);
    padding-left: var(--space-4);
    margin: var(--space-5) 0;
    color: var(--text-secondary);
}
.result-streaming code {
    background: var(--surface-subtle);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 13px;
}

.result-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    margin-bottom: var(--space-4);
    animation: fadeInScale var(--transition-base);
    position: relative;
    overflow: hidden;
}

.result-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.result-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
    padding-bottom: var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.gua-symbol {
    width: 56px; height: 56px;
    background: linear-gradient(135deg, var(--accent-glow), rgba(201,169,110,0.05));
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
    color: var(--accent-300);
    font-family: var(--font-serif);
    flex-shrink: 0;
}

.gua-info h3 {
    font-family: var(--font-serif);
    font-size: 20px; font-weight: 600;
    color: var(--text-primary);
    letter-spacing: 2px;
}

.gua-meta {
    display: flex;
    gap: var(--space-2);
    margin-top: var(--space-1);
    flex-wrap: wrap;
}

.tag {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.tag-yang {
    background: rgba(201,169,110,0.1);
    color: var(--accent-300);
    border: 1px solid rgba(201,169,110,0.15);
}

.tag-yin {
    background: rgba(90,106,122,0.1);
    color: var(--text-tertiary);
    border: 1px solid rgba(90,106,122,0.15);
}

.tag-phase {
    background: var(--success-dim);
    color: var(--success);
    border: 1px solid rgba(90,154,110,0.2);
}

.tag-danger {
    background: var(--danger-dim);
    color: var(--danger);
    border: 1px solid var(--node-avidya-bg-02);
}

.tag-info {
    background: var(--info-dim);
    color: var(--info);
    border: 1px solid rgba(107,140,174,0.2);
}

.content-block { margin-bottom: var(--space-5); }

.content-block:last-child { margin-bottom: 0; }

.content-block h4 {
    font-size: 12px; font-weight: 600;
    color: var(--text-tertiary);
    margin-bottom: var(--space-3);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.content-block h4::before {
    content: '';
    width: 3px; height: 12px;
    background: var(--accent-400);
    border-radius: var(--radius-full);
}

.content-block p {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
}

.content-block ul { list-style: none; padding: 0; }

.content-block li {
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.8;
    padding: var(--space-2) 0;
    padding-left: var(--space-4);
    position: relative;
    border-bottom: 1px solid var(--border-subtle);
}

.content-block li:last-child { border-bottom: none; }

.content-block li::before {
    content: '';
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 6px; height: 6px;
    background: var(--accent-glow);
    border: 1px solid var(--accent-600);
    border-radius: var(--radius-full);
}

.content-block li strong { color: var(--text-primary); font-weight: 500; }

/* ════════════════════════════════════════
   CHAIN DISPLAY
   ════════════════════════════════════════ */
.chain-display {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--space-1);
    margin: var(--space-4) 0;
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
}

.chain-node {
    padding: var(--space-1) var(--space-2);
    border-radius: var(--radius-sm);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.chain-node:hover {
    transform: translateY(-2px);
    z-index: 1;
}

.chain-node.active {
    box-shadow: 0 0 0 2px var(--accent-400);
    z-index: 2;
}

.chain-arrow {
    color: var(--text-tertiary);
    font-size: 11px;
    opacity: 0.5;
}

.node-avidya { background: var(--node-avidya-bg); color: var(--node-avidya); }
.node-samskara { background: var(--node-samskara-bg); color: var(--node-samskara); }
.node-vijnana { background: var(--node-vijnana-bg); color: var(--accent-300); }
.node-namarupa { background: var(--node-namarupa-bg); color: var(--node-namarupa); }
.node-sadayatana { background: var(--node-sadayatana-bg); color: var(--node-sadayatana); }
.node-sparsha { background: var(--node-sparsha-bg); color: var(--node-sparsha); }
.node-vedana { background: var(--node-vedana-bg); color: var(--node-vedana); }
.node-trishna { background: var(--node-trishna-bg); color: var(--node-trishna); }
.node-upadana { background: var(--node-upadana-bg); color: var(--node-upadana); }
.node-bhava { background: var(--node-bhava-bg); color: var(--node-bhava); }
.node-jati { background: var(--node-jati-bg); color: var(--node-jati); }
.node-jaramarana { background: var(--node-jaramarana-bg); color: var(--node-jaramarana); }

/* ════════════════════════════════════════
   CROSS ANALYSIS
   ════════════════════════════════════════ */
.cross-analysis {
    background: linear-gradient(135deg, rgba(201,169,110,0.03), rgba(90,154,110,0.03));
    border: 1px solid var(--border-accent);
}

.cross-analysis .content-block p {
    font-size: 15px;
    line-height: 2;
    color: var(--text-primary);
}

/* ════════════════════════════════════════
   ACTION ITEMS
   ════════════════════════════════════════ */
.action-items { display: grid; gap: var(--space-3); }

.action-item {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border-left: 3px solid var(--accent-400);
    transition: all var(--transition-fast);
}

.action-item:hover {
    background: var(--bg-floating);
    transform: translateX(2px);
}

.action-num {
    width: 28px; height: 28px;
    background: var(--accent-400);
    color: var(--bg-primary);
    border-radius: var(--radius-full);
    display: flex; align-items: center; justify-content: center;
    font-size: 13px; font-weight: 700;
    flex-shrink: 0;
}

.action-content h5 {
    font-size: 14px; font-weight: 600;
    margin-bottom: var(--space-1);
    color: var(--accent-300);
}

.action-content p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.7;
}

/* ════════════════════════════════════════
   YAO LINES
   ════════════════════════════════════════ */
.yao-lines {
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    margin: var(--space-4) 0;
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
}

.yao-line {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) 0;
}

.yao-bar {
    height: 4px;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    position: relative;
    flex-shrink: 0;
}

.yao-bar.yang {
    width: 40px;
    background: linear-gradient(90deg, var(--yang), var(--yang-dim));
}

.yao-bar.yin {
    width: 40px;
    display: flex;
    gap: 4px;
}

.yao-bar.yin::before,
.yao-bar.yin::after {
    content: '';
    flex: 1;
    height: 4px;
    background: var(--yin);
    border-radius: var(--radius-full);
}

.yao-bar.moving { animation: pulse-glow 2s infinite; }

.yao-label {
    font-size: 12px;
    color: var(--text-tertiary);
    min-width: 48px;
    font-family: var(--font-mono);
    flex-shrink: 0;
}

.yao-text {
    font-size: 13px;
    color: var(--text-secondary);
    flex: 1;
}

.yao-moving-badge {
    font-size: 10px;
    padding: 2px 6px;
    background: var(--warning-dim);
    color: var(--warning);
    border-radius: var(--radius-sm);
    font-weight: 500;
}

/* ════════════════════════════════════════
   MOVING YAO & CHANGED GUA
   ════════════════════════════════════════ */
.changed-gua-section {
    margin-top: var(--space-4);
    padding: var(--space-4);
    background: linear-gradient(135deg, rgba(107,140,174,0.05), rgba(90,154,110,0.05));
    border: 1px solid rgba(107,140,174,0.15);
    border-radius: var(--radius-lg);
}

.changed-gua-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-3);
}

.changed-gua-arrow {
    font-size: 20px;
    color: var(--text-tertiary);
}

.changed-gua-info h4 {
    font-size: 14px; font-weight: 600;
    color: var(--text-primary);
}

.changed-gua-info p {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: 2px;
}

/* ════════════════════════════════════════
   HISTORY SIDEBAR
   ════════════════════════════════════════ */
.history-list { margin-top: var(--space-2); }

.history-item {
    display: flex;
    flex-direction: column;
    gap: var(--space-1);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all var(--transition-fast);
    margin-bottom: 2px;
}

.history-item:hover { background: var(--surface-hover); }

.history-item.active { background: var(--surface-selected); }

.history-item.active .history-title { color: var(--accent-300); }

.history-title {
    font-size: 13px;
    color: var(--text-secondary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.history-meta {
    font-size: 11px;
    color: var(--text-tertiary);
    display: flex;
    gap: var(--space-2);
}

/* ════════════════════════════════════════
   HISTORY VIEW
   ════════════════════════════════════════ */
.history-view-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--space-6);
}

.history-view-title {
    font-family: var(--font-serif);
    font-size: 24px; font-weight: 600;
    color: var(--text-primary);
}

.history-view-actions { display: flex; gap: var(--space-2); }

.history-grid { display: grid; gap: var(--space-3); }

.history-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    transition: all var(--transition-fast);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.history-card:hover {
    border-color: var(--border-strong);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.history-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.history-card-header {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    margin-bottom: var(--space-3);
}

.history-card-scenario {
    font-size: 15px; font-weight: 500;
    color: var(--text-primary);
    line-height: 1.5;
    flex: 1;
    padding-right: var(--space-4);
}

.history-card-actions {
    display: flex;
    gap: var(--space-2);
    flex-shrink: 0;
}

.history-card-action {
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-md);
    background: var(--surface-default);
    border: 1px solid var(--border-default);
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 14px;
}

.history-card-action:hover {
    background: var(--surface-hover);
    color: var(--accent-300);
    border-color: var(--border-accent);
}

.history-card-action.favorited {
    color: var(--accent-400);
    background: var(--accent-glow);
    border-color: var(--border-accent);
}

.history-card-meta {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    flex-wrap: wrap;
}

.history-card-tags { display: flex; gap: var(--space-2); }

.history-card-date {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-left: auto;
}

/* ════════════════════════════════════════
   FAVORITES VIEW
   ════════════════════════════════════════ */
.favorites-grid { display: grid; gap: var(--space-3); }

/* ════════════════════════════════════════
   GUA GRID VIEW
   ════════════════════════════════════════ */
.gua-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
    gap: var(--space-3);
}

.gua-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    text-align: center;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.gua-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
    box-shadow: var(--shadow-glow);
}

.gua-card-symbol {
    font-size: 32px;
    color: var(--accent-300);
    font-family: var(--font-serif);
    margin-bottom: var(--space-2);
}

.gua-card-name {
    font-size: 14px; font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.gua-card-phase { font-size: 11px; color: var(--text-tertiary); }

/* ════════════════════════════════════════
   PRATITYA VIEW
   ════════════════════════════════════════ */
.pratitya-chain-visual {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-6);
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    margin-bottom: var(--space-6);
}

.pratitya-node-large {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
    transition: all var(--transition-fast);
}

.pratitya-node-large:hover {
    border-color: var(--border-default);
    transform: translateX(4px);
}

.pratitya-node-num {
    width: 36px; height: 36px;
    border-radius: var(--radius-full);
    display: flex; align-items: center; justify-content: center;
    font-size: 14px; font-weight: 700;
    flex-shrink: 0;
}

.pratitya-node-info { flex: 1; }

.pratitya-node-name {
    font-size: 16px; font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.pratitya-node-meaning {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.pratitya-arrow-down {
    text-align: center;
    color: var(--text-tertiary);
    font-size: 18px;
    opacity: 0.3;
}

/* ════════════════════════════════════════
   COMMAND PALETTE
   ════════════════════════════════════════ */
.cmd-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(4px);
    z-index: 1000;
    display: none;
    align-items: flex-start;
    justify-content: center;
    padding-top: 15vh;
}

.cmd-overlay.active {
    display: flex;
    animation: fadeIn var(--transition-fast);
}

.cmd-panel {
    width: 560px;
    max-width: 90vw;
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: fadeInScale var(--transition-base);
}

.cmd-input-wrapper {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-4);
    border-bottom: 1px solid var(--border-subtle);
}

.cmd-input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 16px;
    outline: none;
}

.cmd-input::placeholder { color: var(--text-tertiary); }

.cmd-section { padding: var(--space-2) 0; }

.cmd-section-title {
    font-size: 11px; font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding: var(--space-2) var(--space-4);
}

.cmd-item {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-2) var(--space-4);
    cursor: pointer;
    transition: background var(--transition-fast);
}

.cmd-item:hover,
.cmd-item.selected { background: var(--surface-hover); }

.cmd-item-icon {
    width: 16px; height: 16px;
    opacity: 0.5;
}

.cmd-item-text {
    flex: 1;
    font-size: 14px;
    color: var(--text-secondary);
}

.cmd-item:hover .cmd-item-text,
.cmd-item.selected .cmd-item-text { color: var(--text-primary); }

.cmd-item-kbd {
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--text-tertiary);
    padding: 2px 6px;
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

/* ════════════════════════════════════════
   TOAST SYSTEM
   ════════════════════════════════════════ */
.toast-container {
    position: fixed;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10000;
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    pointer-events: none;
}

.toast {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    padding: 12px 20px;
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    animation: toastIn 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    min-width: 200px;
    position: relative;
    overflow: hidden;
}

.toast.removing { animation: toastOut 0.3s forwards; }

.toast-icon { font-size: 16px; }

.toast-progress {
    position: absolute;
    bottom: 0; left: 0;
    height: 2px;
    background: var(--accent-400);
    border-radius: 0 0 0 var(--radius-lg);
    animation: progress 2.5s linear forwards;
}

/* ════════════════════════════════════════
   COMPARE MODE
   ════════════════════════════════════════ */
.compare-bar {
    display: none;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    background: var(--bg-elevated);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    animation: fadeIn var(--transition-base);
}

.compare-bar.active { display: flex; }

.compare-info {
    flex: 1;
    font-size: 13px;
    color: var(--text-secondary);
}

.compare-actions { display: flex; gap: var(--space-2); }

.compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-4);
}

.compare-col {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    position: relative;
    overflow: hidden;
}

.compare-col::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.compare-col-header {
    font-size: 12px; font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-subtle);
}

.compare-vs {
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px; font-weight: 600;
    color: var(--accent-300);
    background: var(--accent-glow);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-full);
    width: 40px; height: 40px;
    position: absolute;
    left: 50%; top: 24px;
    transform: translateX(-50%);
    z-index: 2;
}

/* ════════════════════════════════════════
   TAG SYSTEM
   ════════════════════════════════════════ */
.tag-input-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
    padding: var(--space-2);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    margin-top: var(--space-3);
}

.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: var(--space-1) var(--space-2);
    background: var(--accent-glow);
    border: 1px solid var(--border-accent);
    border-radius: var(--radius-sm);
    font-size: 12px;
    color: var(--accent-300);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.tag-chip:hover { background: rgba(201,169,110,0.15); }

.tag-chip .remove {
    opacity: 0.5;
    cursor: pointer;
}

.tag-chip .remove:hover { opacity: 1; }

.tag-input {
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 13px;
    outline: none;
    min-width: 80px;
    flex: 1;
}

.tag-input::placeholder { color: var(--text-disabled); }

.settings-section { margin-bottom: var(--space-5); }
.settings-section:last-child { margin-bottom: 0; }

.settings-title {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    margin-bottom: var(--space-3);
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-subtle);
}

.settings-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-3) 0;
    cursor: pointer;
}

.settings-label {
    font-size: 14px;
    color: var(--text-secondary);
}

.settings-toggle {
    appearance: none;
    width: 40px;
    height: 22px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-full);
    position: relative;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.settings-toggle::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 2px;
    width: 16px;
    height: 16px;
    background: var(--text-tertiary);
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.settings-toggle:checked {
    background: var(--accent-glow);
    border-color: var(--border-accent);
}

.settings-toggle:checked::after {
    left: 20px;
    background: var(--accent-400);
}

.settings-about {
    padding: var(--space-4);
    background: var(--bg-tertiary);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-subtle);
}

/* ════════════════════════════════════════
   COMPACT MODE
   ════════════════════════════════════════ */
body.compact-mode .hero {
    padding: var(--space-8) 0 var(--space-6);
}

body.compact-mode .hero-title {
    font-size: 32px;
}

body.compact-mode .input-card {
    padding: var(--space-4);
}

body.compact-mode .result-card {
    padding: var(--space-4);
}

body.compact-mode .content-block {
    margin-bottom: var(--space-4);
}

/* ════════════════════════════════════════
   REDUCED MOTION
   ════════════════════════════════════════ */
body.reduced-motion *,
body.reduced-motion *::before,
body.reduced-motion *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
}

body.reduced-motion [data-scroll-animation] {
    opacity: 1;
}

body.reduced-motion .result-card,
body.reduced-motion .pratitya-node-large,
body.reduced-motion .yao-line {
    opacity: 1;
    transform: none;
}

/* ════════════════════════════════════════
   RESPONSIVE
   ════════════════════════════════════════ */
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main { margin-left: 0; }
    .hero-title { font-size: 28px; }
    .content { padding: var(--space-5) var(--space-4); }
    .options-grid { grid-template-columns: repeat(2, 1fr); }
    .result-header { flex-direction: column; text-align: center; }
    .chain-display { justify-content: center; }
    .gua-grid { grid-template-columns: repeat(2, 1fr); }
    .history-card-header { flex-direction: column; }
    .history-card-scenario {
        padding-right: 0;
        margin-bottom: var(--space-2);
    }
    .compare-grid { grid-template-columns: 1fr; }
    .compare-vs { display: none; }
}

/* ════════════════════════════════════════
   UTILITY
   ════════════════════════════════════════ */
.text-gradient {
    background: linear-gradient(135deg, var(--accent-300), var(--accent-500));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.glass {
    background: rgba(255,255,255,0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.06);
}

.divider {
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-default), transparent);
    margin: var(--space-6) 0;
}

/* Loading */
.loading {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

.loading-dot {
    width: 6px; height: 6px;
    background: var(--accent-400);
    border-radius: var(--radius-full);
    animation: float 1.4s ease-in-out infinite;
}

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

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--space-16) var(--space-6);
}

.empty-icon {
    width: 64px; height: 64px;
    margin: 0 auto var(--space-5);
    background: var(--surface-default);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    display: flex; align-items: center; justify-content: center;
    font-size: 28px;
}

.empty-title {
    font-family: var(--font-serif);
    font-size: 18px;
    color: var(--text-primary);
    margin-bottom: var(--space-2);
}

.empty-desc {
    font-size: 14px;
    color: var(--text-tertiary);
    max-width: 360px;
    margin: 0 auto;
}

/* Mobile menu toggle */
.mobile-menu-toggle {
    display: none;
    width: 36px; height: 36px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    background: var(--surface-default);
    border: 1px solid var(--border-default);
    color: var(--text-secondary);
    cursor: pointer;
    margin-right: var(--space-3);
}

@media (max-width: 768px) {
    .mobile-menu-toggle { display: flex; }
    .cmd-trigger { display: none; }
}

/* ════════════════════════════════════════
   MODAL / DIALOG
   ════════════════════════════════════════ */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    backdrop-filter: blur(8px);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
}

.modal-overlay.active {
    display: flex;
    animation: fadeIn var(--transition-fast);
}

.modal-panel {
    width: 480px;
    max-width: 90vw;
    max-height: 80vh;
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    animation: fadeInScale var(--transition-base);
    display: flex;
    flex-direction: column;
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-4) var(--space-5);
    border-bottom: 1px solid var(--border-subtle);
}

.modal-title {
    font-family: var(--font-serif);
    font-size: 18px; font-weight: 600;
    color: var(--text-primary);
}

.modal-close {
    width: 32px; height: 32px;
    display: flex; align-items: center; justify-content: center;
    border-radius: var(--radius-md);
    background: transparent;
    border: none;
    color: var(--text-tertiary);
    cursor: pointer;
    transition: all var(--transition-fast);
}

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

.modal-body {
    padding: var(--space-5);
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border-subtle);
    justify-content: flex-end;
}

/* ════════════════════════════════════════
   ANALYSIS MODAL
   ════════════════════════════════════════ */
.analysis-modal-panel {
    width: 800px;
    max-width: 95vw;
    max-height: 90vh;
}

.analysis-modal-body {
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 0;
    overflow: hidden;
}

.input-summary {
    padding: var(--space-4) var(--space-5);
    background: var(--surface-subtle);
    border-bottom: 1px solid var(--border-subtle);
    flex-shrink: 0;
}

.input-summary-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-secondary);
    user-select: none;
}

.input-summary-header svg {
    transition: transform var(--transition-fast);
}

.input-summary.collapsed .input-summary-header svg {
    transform: rotate(-90deg);
}

.input-summary.collapsed .input-summary-content {
    display: none;
}

.input-summary-content {
    margin-top: var(--space-3);
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.6;
}

.input-summary-content .summary-row {
    display: flex;
    gap: var(--space-2);
    margin-bottom: var(--space-1);
}

.input-summary-content .summary-label {
    color: var(--text-tertiary);
    flex-shrink: 0;
    width: 70px;
}

.input-summary-content .summary-value {
    color: var(--text-primary);
    font-weight: 500;
}

.input-summary-content .summary-scenario {
    margin-top: var(--space-2);
    padding: var(--space-3);
    background: var(--bg-elevated);
    border-radius: var(--radius-md);
    color: var(--text-primary);
    max-height: 80px;
    overflow-y: auto;
    border: 1px solid var(--border-subtle);
}

.streaming-content {
    flex: 1;
    padding: var(--space-5);
    overflow-y: auto;
    min-height: 300px;
    font-size: 15px;
    line-height: 1.8;
    color: var(--text-primary);
}

.streaming-content h1,
.streaming-content h2,
.streaming-content h3,
.streaming-content h4 {
    margin-top: var(--space-5);
    margin-bottom: var(--space-3);
    color: var(--text-primary);
}

.streaming-content h1 { font-size: 20px; }
.streaming-content h2 { font-size: 18px; }
.streaming-content h3 { font-size: 16px; }
.streaming-content p {
    margin-bottom: var(--space-3);
}
.streaming-content ul,
.streaming-content ol {
    margin-bottom: var(--space-3);
    padding-left: var(--space-5);
}
.streaming-content li {
    margin-bottom: var(--space-1);
}
.streaming-content strong {
    color: var(--text-primary);
}
.streaming-content blockquote {
    border-left: 3px solid var(--border-default);
    padding-left: var(--space-4);
    margin: var(--space-4) 0;
    color: var(--text-secondary);
}
.streaming-content code {
    background: var(--surface-subtle);
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    font-family: var(--font-mono);
    font-size: 13px;
}

.streaming-placeholder {
    color: var(--text-tertiary);
    font-style: italic;
    text-align: center;
    padding: var(--space-8) 0;
}

.analysis-modal-footer {
    justify-content: space-between;
}

.analysis-modal-footer .btn-secondary,
.analysis-modal-footer .btn-analyze {
    font-size: 13px;
    padding: var(--space-2) var(--space-4);
}

/* ════════════════════════════════════════
   STATS DASHBOARD
   ════════════════════════════════════════ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.stat-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    text-align: center;
    transition: all var(--transition-fast);
}

.stat-card:hover {
    border-color: var(--border-accent);
    transform: translateY(-2px);
}

.stat-value {
    font-family: var(--font-serif);
    font-size: 28px; font-weight: 700;
    color: var(--accent-300);
    line-height: 1.2;
}

.stat-label {
    font-size: 12px;
    color: var(--text-tertiary);
    margin-top: var(--space-1);
}

/* ════════════════════════════════════════
   SEARCH / FILTER
   ════════════════════════════════════════ */
.search-box {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-2) var(--space-3);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-subtle);
    border-radius: var(--radius-lg);
    margin-bottom: var(--space-4);
    transition: all var(--transition-fast);
}

.search-box:focus-within {
    border-color: var(--border-accent);
    background: var(--bg-floating);
}

.search-box input {
    flex: 1;
    background: transparent;
    border: none;
    color: var(--text-primary);
    font-size: 14px;
    outline: none;
}

.search-box input::placeholder { color: var(--text-disabled); }

/* ════════════════════════════════════════
   IMAGE EXPORT OVERLAY
   ════════════════════════════════════════ */
.export-overlay {
    position: fixed;
    inset: 0;
    background: var(--bg-overlay);
    backdrop-filter: blur(8px);
    z-index: 3000;
    display: none;
    align-items: center;
    justify-content: center;
}

.export-overlay.active { display: flex; }

.export-panel {
    width: 640px;
    max-width: 95vw;
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    max-height: 90vh;
}

.export-preview {
    padding: var(--space-5);
    overflow-y: auto;
    flex: 1;
    background: var(--bg-primary);
}

.export-preview-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    position: relative;
}

.export-preview-card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--border-accent), transparent);
}

.export-footer {
    display: flex;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-5);
    border-top: 1px solid var(--border-subtle);
    justify-content: flex-end;
}

/* ════════════════════════════════════════
   WAAPI LOADER
   ════════════════════════════════════════ */
.waapi-loader {
    display: inline-flex;
    gap: 6px;
    align-items: center;
}

.waapi-loader-ring {
    width: 8px;
    height: 8px;
    background: var(--accent-400);
    border-radius: 50%;
}

/* ════════════════════════════════════════
   SCROLL ANIMATION UTILITIES
   ════════════════════════════════════════ */
[data-scroll-animation] {
    opacity: 0;
    will-change: opacity, transform;
}

[data-scroll-animation].animated {
    opacity: 1;
}

/* ════════════════════════════════════════
   SIDEBAR OVERLAY
   ════════════════════════════════════════ */
.sidebar-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    z-index: 99;
    opacity: 0;
    transition: opacity 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ════════════════════════════════════════
   ENHANCED FOCUS STATES
   ════════════════════════════════════════ */
.main-textarea:focus {
    outline: none;
    border-color: var(--border-accent);
    background: var(--bg-floating);
    box-shadow: 0 0 0 3px rgba(201,169,110,0.08), 0 0 40px rgba(201,169,110,0.06);
}

.input-card:focus-within {
    border-color: var(--border-accent);
    box-shadow: 0 0 0 1px rgba(201,169,110,0.1), var(--shadow-glow);
}

.search-box:focus-within {
    border-color: var(--border-accent);
    background: var(--bg-floating);
    box-shadow: 0 0 0 3px rgba(201,169,110,0.06);
}

/* ════════════════════════════════════════
   ENHANCED BUTTON INTERACTIONS
   ════════════════════════════════════════ */
.header-btn, .nav-item, .gua-card, .history-card, .history-card-action, .option-chip {
    transition: transform 150ms cubic-bezier(0.4, 0, 0.2, 1), box-shadow 150ms ease;
}

.header-btn:active, .nav-item:active, .gua-card:active, .history-card:active, .history-card-action:active, .option-chip:active {
    transform: scale(0.97);
}

/* ════════════════════════════════════════
   ENHANCED TOAST
   ════════════════════════════════════════ */
.toast {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    padding: 12px 20px;
    border-radius: var(--radius-lg);
    color: var(--text-primary);
    font-size: 14px;
    display: flex;
    align-items: center;
    gap: var(--space-3);
    box-shadow: var(--shadow-lg);
    pointer-events: auto;
    min-width: 200px;
    position: relative;
    overflow: hidden;
    margin-bottom: var(--space-2);
}

/* ════════════════════════════════════════
   VIEW TRANSITION BASE
   ════════════════════════════════════════ */
#analyzeView, #historyView, #favoritesView, #compareView, #guaView, #pratityaView {
    will-change: opacity, transform;
}

/* ════════════════════════════════════════
   RESULT CARD ENHANCED ENTRANCE
   ════════════════════════════════════════ */
.result-card {
    opacity: 0;
    transform: translateY(20px);
}

.result-card.visible {
    opacity: 1;
    transform: translateY(0);
    transition: opacity 350ms cubic-bezier(0.16, 1, 0.3, 1), transform 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ════════════════════════════════════════
   SKELETON LOADING
   ════════════════════════════════════════ */
.skeleton-card {
    pointer-events: none;
    opacity: 1;
    transform: none;
}

.skeleton-line {
    background: linear-gradient(90deg, var(--surface-hover) 25%, var(--surface-active) 50%, var(--surface-hover) 75%);
    background-size: 200% 100%;
    border-radius: var(--radius-sm);
    animation: skeleton-pulse 1.5s ease-in-out infinite;
    height: 14px;
    margin-bottom: 10px;
}

.skeleton-title {
    width: 120px;
    height: 18px;
    margin-bottom: 8px;
}

.skeleton-meta {
    width: 80px;
    height: 12px;
}

.skeleton-text {
    width: 100%;
}

.skeleton-text.short {
    width: 60%;
}

.skeleton-text.medium {
    width: 80%;
}

@keyframes skeleton-pulse {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* ════════════════════════════════════════
   HERO ENTRANCE
   ════════════════════════════════════════ */
.hero-badge, .hero-title, .hero-subtitle {
    opacity: 0;
}

.hero-loaded .hero-badge {
    animation: fadeIn 500ms 100ms forwards;
}

.hero-loaded .hero-title {
    animation: fadeIn 600ms 200ms forwards;
}

.hero-loaded .hero-subtitle {
    animation: fadeIn 500ms 350ms forwards;
}

/* ════════════════════════════════════════
   PRATITYA NODE ENHANCED
   ════════════════════════════════════════ */
.pratitya-node-large {
    opacity: 0;
    transform: translateX(-10px);
}

.pratitya-node-large.visible {
    opacity: 1;
    transform: translateX(0);
    transition: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ════════════════════════════════════════
   CHAIN NODE PULSE
   ════════════════════════════════════════ */
.chain-node.active {
    animation: pulse-glow 2s infinite;
}

/* ════════════════════════════════════════
   ENHANCED YAO LINES
   ════════════════════════════════════════ */
.yao-bar.moving {
    animation: pulse-glow 2s infinite;
}

.yao-line {
    opacity: 0;
    transform: translateX(-8px);
}

.yao-line.visible {
    opacity: 1;
    transform: translateX(0);
    transition: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* ════════════════════════════════════════
   CMD PALETTE ENHANCED
   ════════════════════════════════════════ */
.cmd-item.selected {
    background: var(--surface-selected);
    border-left: 3px solid var(--accent-400);
}

.cmd-item {
    border-left: 3px solid transparent;
    transition: all 100ms ease;
}

/* ════════════════════════════════════════
   SMOOTH SCROLL
   ════════════════════════════════════════ */
html {
    scroll-behavior: smooth;
}

/* ════════════════════════════════════════
   REDUCED MOTION
   ════════════════════════════════════════ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    
    [data-scroll-animation] {
        opacity: 1;
    }
    
    .result-card, .pratitya-node-large, .yao-line {
        opacity: 1;
        transform: none;
    }
}

/* ════════════════════════════════════════
   ANIMATED BACKGROUND PARTICLES
   ════════════════════════════════════════ */
.particles-container {
    position: fixed;
    inset: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
}

.particle {
    position: absolute;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(201,169,110,0.08) 0%, transparent 70%);
    animation: particle-float 15s infinite ease-in-out;
}

@keyframes particle-float {
    0%, 100% { transform: translateY(0) translateX(0); opacity: 0.3; }
    25% { transform: translateY(-30px) translateX(15px); opacity: 0.6; }
    50% { transform: translateY(-15px) translateX(-10px); opacity: 0.4; }
    75% { transform: translateY(-40px) translateX(5px); opacity: 0.5; }
}

/* ════════════════════════════════════════
   GLASS MORPHISM ENHANCEMENTS
   ════════════════════════════════════════ */
.glass-strong {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    border: 1px solid rgba(255,255,255,0.08);
}

/* ════════════════════════════════════════
   GRADIENT BORDER EFFECT
   ════════════════════════════════════════ */
.gradient-border {
    position: relative;
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
}

.gradient-border::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: calc(var(--radius-xl) + 1px);
    background: linear-gradient(135deg, rgba(201,169,110,0.2), rgba(90,154,110,0.1), rgba(107,140,174,0.15));
    z-index: -1;
    opacity: 0;
    transition: opacity 300ms ease;
}

.gradient-border:hover::before {
    opacity: 1;
}

/* ════════════════════════════════════════
   SHORTCUTS HELP PANEL
   ════════════════════════════════════════ */
.shortcuts-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-5);
}

.shortcut-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
}

.shortcut-group-title {
    font-size: 12px;
    font-weight: 600;
    color: var(--accent-300);
    text-transform: uppercase;
    letter-spacing: 1px;
    padding-bottom: var(--space-2);
    border-bottom: 1px solid var(--border-subtle);
    margin-bottom: var(--space-1);
}

.shortcut-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-2) 0;
    font-size: 13px;
    color: var(--text-secondary);
}

.shortcut-item kbd {
    font-family: var(--font-mono);
    font-size: 11px;
    padding: 3px 8px;
    background: var(--bg-tertiary);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-sm);
    color: var(--text-tertiary);
    box-shadow: 0 1px 0 var(--border-strong);
}

@media (max-width: 768px) {
    .shortcuts-grid {
        grid-template-columns: 1fr;
    }
}

/* ════════════════════════════════════════
   FLOATING ACTION BUTTON
   ════════════════════════════════════════ */
.fab {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent-400), var(--accent-500));
    border: none;
    color: var(--bg-primary);
    font-size: 24px;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(201,169,110,0.3);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    transition: all 200ms cubic-bezier(0.34, 1.56, 0.64, 1);
}

.fab:hover {
    transform: scale(1.1) translateY(-2px);
    box-shadow: 0 8px 32px rgba(201,169,110,0.4);
}

.fab:active {
    transform: scale(0.95);
}

@media (min-width: 769px) {
    .fab { display: none; }
}

/* ════════════════════════════════════════
   ENHANCED TAG CHIP
   ════════════════════════════════════════ */
.tag-chip {
    transition: all 150ms ease;
}

.tag-chip:hover {
    transform: translateY(-1px);
    box-shadow: 0 2px 8px rgba(201,169,110,0.15);
}

/* ════════════════════════════════════════
   OPTION CHIP ENHANCED
   ════════════════════════════════════════ */
.option-chip {
    position: relative;
    overflow: hidden;
}

.option-chip::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(201,169,110,0.05), transparent);
    opacity: 0;
    transition: opacity 200ms ease;
}

.option-chip:hover::after {
    opacity: 1;
}

/* ════════════════════════════════════════
   LIVE PREVIEW ENHANCED
   ════════════════════════════════════════ */
.live-preview {
    transition: all 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

.live-tag {
    transition: all 150ms ease;
}

.live-tag:hover {
    transform: translateY(-1px);
}

/* ════════════════════════════════════════
   TIME DIVINATION ENHANCED
   ════════════════════════════════════════ */
.time-divination {
    position: relative;
    overflow: hidden;
}

.time-divination::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(201,169,110,0.03) 0%, transparent 70%);
    animation: rotate 20s linear infinite;
    pointer-events: none;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ════════════════════════════════════════
   ACTION ITEM ENHANCED
   ════════════════════════════════════════ */
.action-item {
    position: relative;
    overflow: hidden;
}

.action-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--accent-400), var(--accent-600));
    opacity: 0;
    transition: opacity 200ms ease;
}

.action-item:hover::before {
    opacity: 1;
}

/* ════════════════════════════════════════
   STAT CARD ENHANCED
   ════════════════════════════════════════ */
.stat-card {
    position: relative;
    overflow: hidden;
}

.stat-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent-400), transparent);
    opacity: 0;
    transition: opacity 300ms ease;
}

.stat-card:hover::after {
    opacity: 1;
}

/* ════════════════════════════════════════
   EXPORT PREVIEW ENHANCED
   ════════════════════════════════════════ */
.export-preview-card {
    position: relative;
}

.export-preview-card::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: calc(var(--radius-xl) + 2px);
    background: linear-gradient(135deg, rgba(201,169,110,0.1), rgba(90,154,110,0.05), rgba(107,140,174,0.08));
    z-index: -1;
    opacity: 0.5;
}

/* ════════════════════════════════════════
   EMPTY STATE ENHANCED
   ════════════════════════════════════════ */
.empty-state {
    opacity: 0;
    animation: fadeInScale 500ms 100ms forwards;
}

/* ════════════════════════════════════════
   MOBILE ENHANCEMENTS
   ════════════════════════════════════════ */
@media (max-width: 768px) {
    .sidebar {
        transition: transform 350ms cubic-bezier(0.16, 1, 0.3, 1);
    }
    
    .hero-title {
        font-size: 28px;
        letter-spacing: 3px;
    }
    
    .content {
        padding: var(--space-5) var(--space-4);
    }
}

/* ════════════════════════════════════════
   ENHANCED RESULT CARD COLLAPSE
   ════════════════════════════════════════ */
.result-card.collapsible .result-header {
    cursor: pointer;
    user-select: none;
    transition: background var(--transition-fast);
    position: relative;
    padding-right: 40px;
}

.result-card.collapsible .result-header:hover {
    background: var(--surface-hover);
}

.result-card.collapsible .result-header::after {
    content: '';
    position: absolute;
    right: 20px;
    top: 50%;
    transform: translateY(-50%);
    width: 20px;
    height: 20px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='20' viewBox='0 0 24 24' fill='none' stroke='rgba(240,240,245,0.3)' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-size: contain;
    background-repeat: no-repeat;
    transition: transform var(--transition-fast);
    opacity: 0.6;
}

.result-card.collapsible.collapsed .result-header::after {
    transform: translateY(-50%) rotate(-90deg);
}

.result-card.collapsible .result-body {
    display: grid;
    grid-template-rows: 1fr;
    overflow: hidden;
    transition: grid-template-rows 400ms cubic-bezier(0.16, 1, 0.3, 1), opacity 300ms ease;
    opacity: 1;
}

.result-card.collapsible.collapsed .result-body {
    grid-template-rows: 0fr;
    opacity: 0;
}

.result-card.collapsible .result-body > * {
    min-height: 0;
}

.result-card.collapsible .result-header .gua-info {
    flex: 1;
    min-width: 0;
}

/* Card type indicator */
.result-card::after {
    content: '';
    position: absolute;
    left: 0;
    top: 16px;
    bottom: 16px;
    width: 3px;
    background: linear-gradient(180deg, var(--accent-400), var(--accent-600));
    border-radius: 0 3px 3px 0;
    opacity: 0;
    transition: opacity 300ms ease;
}

.result-card:hover::after {
    opacity: 1;
}

.result-card.cross-analysis::after {
    background: linear-gradient(180deg, var(--success), var(--info));
}

/* ════════════════════════════════════════
   ENHANCED GLASSMORPHISM
   ════════════════════════════════════════ */
.modal-panel,
.export-panel {
    background: linear-gradient(135deg, rgba(22,22,31,0.95) 0%, rgba(12,12,18,0.98) 100%);
    backdrop-filter: blur(40px) saturate(1.2);
    -webkit-backdrop-filter: blur(40px) saturate(1.2);
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 24px 80px rgba(0,0,0,0.6), 0 0 0 1px rgba(201,169,110,0.05);
}

.result-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.03) 0%, rgba(255,255,255,0.01) 100%);
    backdrop-filter: blur(20px) saturate(1.1);
    -webkit-backdrop-filter: blur(20px) saturate(1.1);
    border: 1px solid rgba(255,255,255,0.05);
    box-shadow: 0 4px 24px rgba(0,0,0,0.3), inset 0 1px 0 rgba(255,255,255,0.03);
}

.result-card:hover {
    border-color: rgba(255,255,255,0.08);
    box-shadow: 0 8px 32px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.05);
}

.input-card {
    background: linear-gradient(180deg, rgba(255,255,255,0.035) 0%, rgba(255,255,255,0.015) 100%);
    backdrop-filter: blur(24px) saturate(1.15);
    -webkit-backdrop-filter: blur(24px) saturate(1.15);
    border: 1px solid rgba(255,255,255,0.06);
    box-shadow: 0 8px 32px rgba(0,0,0,0.35), inset 0 1px 0 rgba(255,255,255,0.04);
}

.cmd-panel {
    background: linear-gradient(180deg, rgba(22,22,31,0.98) 0%, rgba(14,14,20,0.99) 100%);
    backdrop-filter: blur(48px) saturate(1.2);
    -webkit-backdrop-filter: blur(48px) saturate(1.2);
    border: 1px solid rgba(255,255,255,0.08);
    box-shadow: 0 24px 80px rgba(0,0,0,0.7), 0 0 0 1px rgba(201,169,110,0.06);
}

/* Subtle top light reflection on cards */
.result-card::before,
.input-card::before,
.modal-panel::before,
.cmd-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 12px;
    right: 12px;
    height: 1px;
    background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.08) 50%, transparent 100%);
    pointer-events: none;
}

/* ════════════════════════════════════════
   CUSTOM CURSOR (optional desktop)
   ════════════════════════════════════════ */
@media (pointer: fine) {
    .btn-analyze,
    .header-btn,
    .nav-item,
    .gua-card,
    .history-card,
    .option-chip,
    .cmd-item {
        cursor: pointer;
    }
}

/* ════════════════════════════════════════
   SELECTION ENHANCED
   ════════════════════════════════════════ */
::selection {
    background: rgba(201,169,110,0.2);
    color: var(--accent-200);
}

/* ════════════════════════════════════════
   FOCUS VISIBLE
   ════════════════════════════════════════ */
:focus-visible {
    outline: 2px solid var(--accent-400);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible {
    outline: 2px solid var(--accent-400);
    outline-offset: 2px;
    border-radius: var(--radius-sm);
}

/* ════════════════════════════════════════
   SCROLLBAR ENHANCED
   ════════════════════════════════════════ */
::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}

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

::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border-radius: var(--radius-full);
    transition: background 150ms ease;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

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

.pratitya-node-num.node-avidya { background: var(--node-avidya-bg-02); color: var(--node-avidya); }
.pratitya-node-num.node-samskara { background: var(--node-samskara-bg-02); color: var(--node-samskara); }
.pratitya-node-num.node-vijnana { background: rgba(201,169,110,0.2); color: var(--accent-300); }
.pratitya-node-num.node-namarupa { background: var(--node-namarupa-bg-02); color: var(--node-namarupa); }
.pratitya-node-num.node-sadayatana { background: var(--node-sadayatana-bg-02); color: var(--node-sadayatana); }
.pratitya-node-num.node-sparsha { background: var(--node-sparsha-bg-02); color: var(--node-sparsha); }
.pratitya-node-num.node-vedana { background: var(--node-vedana-bg-02); color: var(--node-vedana); }
.pratitya-node-num.node-trishna { background: var(--node-trishna-bg-02); color: var(--node-trishna); }
.pratitya-node-num.node-upadana { background: var(--node-upadana-bg-02); color: var(--node-upadana); }
.pratitya-node-num.node-bhava { background: var(--node-bhava-bg-02); color: var(--node-bhava); }
.pratitya-node-num.node-jati { background: var(--node-jati-bg-02); color: var(--node-jati); }
.pratitya-node-num.node-jaramarana { background: var(--node-jaramarana-bg-02); color: var(--node-jaramarana); }
/* ════════════════════════════════════════
   LLM ANALYSIS CARD
   ════════════════════════════════════════ */
.llm-card {
    border: 1px solid var(--border-accent);
    background: linear-gradient(135deg, rgba(201,169,110,0.03), rgba(201,169,110,0.01));
}

.llm-card .result-header {
    background: linear-gradient(90deg, rgba(201,169,110,0.06), transparent);
}

.llm-streaming-content {
    font-size: 14px;
    line-height: 1.8;
    color: var(--text-secondary);
    max-height: 600px;
    overflow-y: auto;
    padding-right: 8px;
}

.llm-streaming-content h2 {
    color: var(--accent-300);
    font-size: 16px;
    font-weight: 600;
    margin: 20px 0 10px;
    padding-bottom: 6px;
    border-bottom: 1px solid var(--border-subtle);
}

.llm-streaming-content h3 {
    color: var(--accent-400);
    font-size: 14px;
    font-weight: 600;
    margin: 16px 0 8px;
}

.llm-streaming-content strong {
    color: var(--text-primary);
    font-weight: 600;
}

.llm-streaming-content li {
    margin: 6px 0;
    padding-left: 4px;
}

.llm-loading {
    display: flex;
    align-items: center;
    padding: 20px 16px;
}

.llm-loading-dot {
    width: 8px;
    height: 8px;
    background: var(--accent-400);
    border-radius: 50%;
    margin: 0 3px;
    animation: llmPulse 1.4s ease-in-out infinite;
}

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

@keyframes llmPulse {
    0%, 80%, 100% { transform: scale(0.6); opacity: 0.4; }
    40% { transform: scale(1); opacity: 1; }
}

/* Touch feedback */
.touch-active {
    opacity: 0.7 !important;
    transform: scale(0.98) !important;
}

/* Improve touch targets on mobile */
@media (max-width: 768px) {
    .nav-item {
        min-height: 44px;
    }
    .gua-card {
        min-height: 80px;
    }
    .history-card {
        min-height: 60px;
    }
    .action-item {
        min-height: 44px;
    }
    .header-btn {
        min-height: 36px;
        min-width: 36px;
    }
}


/* ════════════════════════════════════════
   KNOWLEDGE VIEW CARDS · 六哲学体系专属样式
   ════════════════════════════════════════ */

/* ── 通用知识视图骨架 ── */
.knowledge-section {
    margin-bottom: var(--space-8);
}

.knowledge-header {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    margin-bottom: var(--space-6);
    padding: var(--space-5);
    background: var(--bg-elevated);
    border-radius: var(--radius-xl);
    border: 1px solid var(--border-default);
}

.knowledge-icon {
    width: 48px; height: 48px;
    border-radius: var(--radius-lg);
    display: flex; align-items: center; justify-content: center;
    font-size: 20px; font-weight: 700;
    color: #fff;
    font-family: var(--font-serif);
    flex-shrink: 0;
}

.knowledge-title h2 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: var(--space-1);
}

.knowledge-title p {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
}

.knowledge-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: all var(--transition-fast);
}

.knowledge-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.knowledge-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    margin-bottom: var(--space-4);
    padding-bottom: var(--space-3);
    border-bottom: 1px solid var(--border-subtle);
}

.knowledge-card-num {
    width: 28px; height: 28px;
    border-radius: var(--radius-full);
    display: flex; align-items: center; justify-content: center;
    font-size: 12px; font-weight: 700;
    flex-shrink: 0;
}

.knowledge-card-header h4 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.knowledge-card-body {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-secondary);
}

.knowledge-card-body p {
    margin-bottom: var(--space-2);
}

.knowledge-card-body strong {
    color: var(--text-primary);
    font-weight: 500;
}


/* ════════════════════════════════════════
   KNOWLEDGE VIEW — UNIFIED SYSTEM THEME
   ════════════════════════════════════════ */

/* All knowledge views share the same system accent theme */
.gua-view .knowledge-icon,
.pratitya-view .knowledge-icon,
.phenomenology-view .knowledge-icon,
.praxis-view .knowledge-icon,
.contradiction-view .knowledge-icon,
.stoic-view .knowledge-icon {
    box-shadow: 0 0 20px rgba(201,169,110,0.15);
}

.gua-view .knowledge-header,
.pratitya-view .knowledge-header,
.phenomenology-view .knowledge-header,
.praxis-view .knowledge-header,
.contradiction-view .knowledge-header,
.stoic-view .knowledge-header {
    border-color: var(--border-default);
}

/* Unified knowledge card */
.knowledge-card {
    background: var(--bg-elevated);
    border: 1px solid var(--border-default);
    border-radius: var(--radius-lg);
    padding: var(--space-5);
    transition: all var(--transition-fast);
}

.knowledge-card:hover {
    transform: translateY(-2px);
    border-color: var(--border-accent);
    box-shadow: var(--shadow-md);
}

/* Unified card num */
.knowledge-card-num {
    background: var(--surface-subtle);
    color: var(--accent-400);
}

/* Unified chain display */
.gua-view .chain-display,
.pratitya-view .chain-display,
.phenomenology-view .chain-display,
.praxis-view .chain-display,
.contradiction-view .chain-display,
.stoic-view .chain-display {
    background: var(--bg-tertiary);
    border-color: var(--border-subtle);
}

/* ════════════════════════════════════════
   KNOWLEDGE GRID — FULL WIDTH LAYOUT
   ════════════════════════════════════════ */

.knowledge-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--space-4);
}

.knowledge-card {
    min-width: 280px;
    max-width: 100%;
    box-sizing: border-box;
}

@media (max-width: 560px) {
    .knowledge-grid {
        grid-template-columns: 1fr;
    }
    .knowledge-card {
        min-width: 0;
    }
    .knowledge-header { flex-direction: column; text-align: center; }
    .knowledge-icon { margin: 0 auto; }
}

.praxis-card .result-header {
    background: linear-gradient(135deg, rgba(192,57,43,0.08), rgba(142,68,173,0.08));
}

.praxis-card .chain-node.active {
    background: linear-gradient(135deg, #c0392b, #8e44ad);
    box-shadow: 0 0 12px rgba(192,57,43,0.3);
}

.contradiction-card .result-header {
    background: linear-gradient(135deg, rgba(231,76,60,0.08), rgba(192,57,43,0.08));
}

.contradiction-card .chain-node.active {
    background: linear-gradient(135deg, #e74c3c, #c0392b);
    box-shadow: 0 0 12px rgba(231,76,60,0.3);
}

/* Marxism dimension tag */
.tag-marxism {
    background: linear-gradient(135deg, rgba(192,57,43,0.15), rgba(142,68,173,0.15));
    color: #c0392b;
    border: 1px solid rgba(192,57,43,0.2);
}

/* Dialectic highlight box */
.dialectic-box {
    margin-top: 12px;
    padding: 12px 16px;
    background: var(--bg-tertiary);
    border-radius: 8px;
    border-left: 3px solid var(--danger);
    color: var(--text-secondary);
    font-size: 14px;
    line-height: 1.6;
}

.dialectic-box strong {
    color: var(--danger);
}