/* ═══════════════════════════════════════════
   The Fluid Auditor — Design System CSS
   "The Sonic Sanctuary"
   ═══════════════════════════════════════════ */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap');

/* ── Design Tokens ───────────────────────── */
:root {
    /* Primary */
    --primary: #004ac6;
    --primary-container: #2563eb;
    --on-primary: #ffffff;

    /* Secondary */
    --secondary: #625b71;
    --secondary-container: #e8def8;
    --on-secondary-container: #1d192b;

    /* Tertiary / Accent Teal */
    --tertiary: #006056;
    --tertiary-container: #4fd8c5;

    /* Surface Hierarchy */
    --surface: #f7f9fb;
    --surface-container-low: #f2f4f6;
    --surface-container-lowest: #ffffff;
    --surface-container-high: #e6e8ea;

    /* Text */
    --on-surface: #191c1e;
    --on-surface-variant: #44474e;
    --outline-variant: #c4c6cf;

    /* Inverse */
    --inverse-surface: #2f3033;
    --inverse-on-surface: #f1f0f4;

    /* Categories */
    --cat-work: #2563eb;
    --cat-personal: #8b5cf6;
    --cat-research: #059669;
    --cat-strategy: #3b82f6;
    --cat-feedback: #f43f5e;

    /* Elevation */
    --shadow-ambient: 0 10px 40px rgba(31, 41, 55, 0.06);
    --shadow-sm: 0 4px 16px rgba(31, 41, 55, 0.04);

    /* Radii */
    --radius-sm: 0.25rem;
    --radius-md: 0.75rem;
    --radius-lg: 1rem;
    --radius-xl: 1.5rem;
    --radius-full: 9999px;

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

/* ── Base Reset ──────────────────────────── */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--surface);
    color: var(--on-surface);
    line-height: 1.5;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

/* ── Typography Scale ────────────────────── */
.display-md {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    line-height: 1.2;
}

.title-lg {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.title-md {
    font-size: 1.125rem;
    font-weight: 600;
    line-height: 1.4;
}

.body-md {
    font-size: 0.9375rem;
    font-weight: 400;
    line-height: 1.6;
}

.label-sm {
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--on-surface-variant);
}

/* ── App Container ───────────────────────── */
.app-container {
    max-width: 480px;
    margin: 0 auto;
    padding: 0 var(--space-md);
    padding-bottom: 100px;
    min-height: 100vh;
}

/* ── App Header ──────────────────────────── */
.app-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) 0;
    position: sticky;
    top: 0;
    z-index: 50;
    background: var(--surface);
}

.app-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-weight: 600;
    font-size: 1rem;
    color: var(--on-surface);
    text-decoration: none;
}

.app-logo-icon {
    display: flex;
    align-items: center;
    color: var(--primary);
    font-size: 1.25rem;
}

.avatar-sm {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--surface-container-high);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.avatar-sm img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ── Cards (No-Border Rule) ──────────────── */
.fluid-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    box-shadow: var(--shadow-sm);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
    border: none;
}

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

.fluid-card-flat {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    border: none;
}

/* ── Action Cards (Dashboard) ────────────── */
.action-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-xl);
    padding: var(--space-xl) var(--space-lg);
    box-shadow: var(--shadow-sm);
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    color: var(--on-surface);
    display: block;
}

.action-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-ambient);
    color: var(--on-surface);
}

.action-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(0, 74, 198, 0.08), rgba(37, 99, 235, 0.12));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--primary);
    margin-bottom: var(--space-md);
}

.action-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.action-card p {
    font-size: 0.875rem;
    color: var(--on-surface-variant);
    margin: 0;
}

/* ── Note Cards ──────────────────────────── */
.note-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: 12px;
    cursor: pointer;
    transition: background 0.2s ease;
    border: none;
    text-decoration: none;
    color: var(--on-surface);
    display: block;
}

.note-card:hover {
    background: var(--surface-container-low);
    color: var(--on-surface);
}

.note-card-header {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.note-card-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, rgba(0, 74, 198, 0.08), rgba(37, 99, 235, 0.12));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--primary);
    flex-shrink: 0;
}

.note-card-waveform {
    flex: 1;
    height: 24px;
    display: flex;
    align-items: center;
    gap: 2px;
}

.note-card-waveform span {
    display: inline-block;
    width: 3px;
    background: var(--primary);
    border-radius: 2px;
    opacity: 0.5;
    animation: waveform 1.2s ease-in-out infinite;
}

.note-card-waveform span:nth-child(2) { animation-delay: 0.1s; }
.note-card-waveform span:nth-child(3) { animation-delay: 0.2s; }
.note-card-waveform span:nth-child(4) { animation-delay: 0.3s; }
.note-card-waveform span:nth-child(5) { animation-delay: 0.4s; }

@keyframes waveform {
    0%, 100% { height: 8px; }
    50% { height: 20px; }
}

.note-card-date {
    font-size: 0.75rem;
    color: var(--on-surface-variant);
    letter-spacing: 0.03em;
}

.note-card h4 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.note-card p {
    font-size: 0.875rem;
    color: var(--on-surface-variant);
    margin-bottom: var(--space-sm);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.note-card-footer {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* ── Category Chips ──────────────────────── */
.chip {
    display: inline-flex;
    align-items: center;
    padding: 4px 12px;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 500;
    letter-spacing: 0.03em;
}

.chip-work { background: rgba(37, 99, 235, 0.1); color: var(--cat-work); }
.chip-personal { background: rgba(139, 92, 246, 0.1); color: var(--cat-personal); }
.chip-research { background: rgba(5, 150, 105, 0.1); color: var(--cat-research); }
.chip-strategy { background: rgba(59, 130, 246, 0.1); color: var(--cat-strategy); }
.chip-feedback { background: rgba(244, 63, 94, 0.1); color: var(--cat-feedback); }

.note-card-time {
    font-size: 0.8125rem;
    color: var(--on-surface-variant);
}

/* ── Buttons ─────────────────────────────── */
.btn-primary-gradient {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    border: none;
    color: var(--on-primary);
    font-weight: 600;
    border-radius: var(--radius-md);
    padding: 14px 24px;
    font-size: 1rem;
    transition: all 0.3s ease;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    width: 100%;
}

.btn-primary-gradient:hover {
    opacity: 0.92;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0, 74, 198, 0.3);
    color: var(--on-primary);
}

.btn-secondary-soft {
    background: var(--surface-container-high);
    border: none;
    color: var(--primary);
    font-weight: 600;
    border-radius: var(--radius-md);
    padding: 12px 20px;
    font-size: 0.9375rem;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-secondary-soft:hover {
    background: var(--surface-container-low);
}

.btn-ghost {
    background: transparent;
    border: none;
    color: var(--primary);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: background 0.2s ease;
}

.btn-ghost:hover {
    background: rgba(0, 74, 198, 0.06);
}

.btn-danger-ghost {
    background: transparent;
    border: none;
    color: var(--cat-feedback);
    font-weight: 500;
    padding: 8px 16px;
    border-radius: var(--radius-md);
    cursor: pointer;
}

/* ── Input Fields (No Border) ────────────── */
.fluid-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--surface-container-low);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-size: 0.9375rem;
    color: var(--on-surface);
    transition: all 0.2s ease;
    outline: none;
}

.fluid-input:focus {
    background: var(--surface-container-lowest);
    border-color: rgba(0, 74, 198, 0.2);
    box-shadow: 0 0 0 4px rgba(0, 74, 198, 0.08);
}

.fluid-input::placeholder {
    color: var(--outline-variant);
}

.fluid-label {
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--on-surface-variant);
    margin-bottom: var(--space-sm);
    display: block;
}

.fluid-select {
    width: 100%;
    padding: 14px 16px;
    background: var(--surface-container-low);
    border: 2px solid transparent;
    border-radius: var(--radius-md);
    font-family: 'Inter', sans-serif;
    font-size: 0.9375rem;
    color: var(--on-surface);
    outline: none;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2344474e' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 12px center;
    background-size: 16px 12px;
}

/* ── Search Bar ──────────────────────────── */
.search-bar {
    position: relative;
}

.search-bar input {
    padding-left: 44px;
}

.search-bar i {
    position: absolute;
    left: 16px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--outline-variant);
    font-size: 1rem;
}

/* ── Filter Chips ────────────────────────── */
.filter-chips {
    display: flex;
    gap: var(--space-sm);
    margin: var(--space-md) 0;
}

.filter-chip {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 8px 16px;
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    font-weight: 500;
    background: var(--surface-container-lowest);
    color: var(--on-surface-variant);
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
}

.filter-chip.active, .filter-chip:hover {
    background: var(--on-surface);
    color: var(--surface-container-lowest);
}

.filter-chip i {
    font-size: 0.75rem;
}

/* ── Bottom Navigation (Glassmorphism) ───── */
.bottom-nav {
    position: fixed;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 480px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 10px 0 env(safe-area-inset-bottom, 10px);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    z-index: 1000;
    border-top: 1px solid rgba(196, 198, 207, 0.15);
}

.bottom-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    text-decoration: none;
    color: var(--on-surface-variant);
    font-size: 0.625rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 4px 12px;
    transition: color 0.2s ease;
    min-width: 60px;
}

.bottom-nav-item i {
    font-size: 1.25rem;
    margin-bottom: 1px;
}

.bottom-nav-item.active {
    color: var(--primary);
}

/* ── Toast Notifications ─────────────────── */
.toast-container {
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    pointer-events: none;
    max-width: 440px;
    width: 90%;
}

.toast {
    background: var(--inverse-surface);
    color: var(--inverse-on-surface);
    padding: 14px 20px;
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: var(--shadow-ambient);
    animation: toastSlide 0.3s ease;
    pointer-events: auto;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.toast-success { border-left: 4px solid var(--tertiary); }
.toast-error { border-left: 4px solid var(--cat-feedback); }
.toast-info { border-left: 4px solid var(--primary); }

@keyframes toastSlide {
    from { transform: translateY(-20px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* ── Auth Pages ──────────────────────────── */
.auth-wrapper {
    /* min-height: 100vh; */
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    background: var(--surface);
}

.auth-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl) var(--space-lg);
    width: 100%;
    max-width: 420px;
    box-shadow: var(--shadow-ambient);
}

.auth-logo {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-lg);
    background: var(--surface-container-low);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    color: var(--primary);
    font-size: 1.5rem;
}

.auth-title {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.auth-subtitle {
    text-align: center;
    color: var(--on-surface-variant);
    font-size: 0.9375rem;
    margin-bottom: var(--space-xl);
}

.auth-form .form-group {
    margin-bottom: var(--space-md);
}

.auth-footer {
    text-align: center;
    margin-top: var(--space-lg);
    font-size: 0.875rem;
    color: var(--on-surface-variant);
}

.auth-footer a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

.auth-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-lg);
    font-size: 0.875rem;
}

.auth-row label {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--on-surface-variant);
    cursor: pointer;
}

.auth-row a {
    color: var(--primary);
    font-weight: 600;
    text-decoration: none;
}

/* ── Section Headers ─────────────────────── */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: var(--space-xl) 0 var(--space-md);
}

.section-header h2 {
    font-size: 1.25rem;
    font-weight: 700;
}

.section-header a {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
    text-decoration: none;
}

/* ── Editor ──────────────────────────────── */
.editor-toolbar {
    position: sticky;
    top: 0;
    z-index: 0;
    background: var(--surface-container-lowest);
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid rgba(196, 198, 207, 0.15);
    flex-wrap: wrap;
    border-radius: var(--radius-md) var(--radius-md) 0 0;
}

.editor-toolbar select,
.editor-toolbar button {
    background: transparent;
    border: none;
    color: var(--on-surface);
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    cursor: pointer;
    padding: 6px 8px;
    border-radius: var(--radius-sm);
    transition: background 0.2s ease;
    min-height: 36px;
}

.editor-toolbar button:hover {
    background: var(--surface-container-high);
}

.editor-toolbar button.active {
    background: var(--primary);
    color: var(--on-primary);
}

.editor-toolbar .separator {
    width: 1px;
    height: 24px;
    background: var(--outline-variant);
    opacity: 0.3;
}

.editor-toolbar select {
    background: var(--surface-container-low);
    border-radius: var(--radius-sm);
    padding: 6px 28px 6px 10px;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%2344474e' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 12px;
}

.editor-content {
    min-height: 200px;
    padding: var(--space-xl) var(--space-md);
    outline: none;
    font-size: 1rem;
    line-height: 1.8;
    color: var(--on-surface);
    background: var(--surface-container-lowest);
    border-radius: 0 0 var(--radius-md) var(--radius-md);
    margin-bottom: 20px;
}

.editor-content:focus {
    outline: none;
}

.editor-content h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
}

.editor-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-md);
    padding: var(--space-sm) 0 var(--space-md);
    font-size: 0.8125rem;
    color: var(--on-surface-variant);
}

.editor-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* ── TTS Player Bar ──────────────────────── */
.tts-player {
    position: fixed;
    bottom: 68px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 32px);
    max-width: 448px;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-radius: var(--radius-lg);
    padding: var(--space-md);
    box-shadow: var(--shadow-ambient);
    display: none;
    z-index: 500;
}

.tts-player.visible {
    display: block;
    animation: slideUp 0.3s ease;
}

@keyframes slideUp {
    from { transform: translateX(-50%) translateY(20px); opacity: 0; }
    to { transform: translateX(-50%) translateY(0); opacity: 1; }
}

.tts-controls {
    display: flex;
    align-items: center;
    gap: var(--space-md);
}

.tts-play-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    border: none;
    color: var(--on-primary);
    font-size: 1.125rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tts-settings {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex: 1;
}

.tts-speed {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary);
    background: rgba(0, 74, 198, 0.08);
    padding: 4px 10px;
    border-radius: var(--radius-full);
    cursor: pointer;
    border: none;
}

.tts-lang-select {
    font-size: 0.75rem;
    padding: 4px 8px;
    background: var(--surface-container-low);
    border: none;
    border-radius: var(--radius-sm);
    color: var(--on-surface);
    font-family: 'Inter', sans-serif;
}

/* ── Scan Page ───────────────────────────── */
.scan-area {
    border: 2px dashed var(--outline-variant);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl);
    text-align: center;
    background: var(--surface-container-low);
    transition: all 0.3s ease;
    cursor: pointer;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    position: relative;
    overflow: hidden;
}

.scan-area:hover,
.scan-area.dragover {
    border-color: var(--primary);
    background: rgba(0, 74, 198, 0.04);
}

.scan-area i {
    font-size: 3rem;
    color: var(--primary);
    opacity: 0.6;
}

.scan-area p {
    color: var(--on-surface-variant);
    font-size: 0.9375rem;
}

.scan-preview {
    display: none;
    width: 100%;
    max-height: 300px;
    object-fit: contain;
    border-radius: var(--radius-md);
}

.scan-progress {
    display: none;
    margin-top: var(--space-md);
}

.progress-bar-custom {
    height: 6px;
    background: var(--surface-container-high);
    border-radius: 3px;
    overflow: hidden;
}

.progress-bar-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    border-radius: 3px;
    width: 0%;
    transition: width 0.3s ease;
}

.extracted-text-area {
    display: none;
    margin-top: var(--space-lg);
}

.extracted-text-content {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--on-surface);
    min-height: 120px;
    max-height: 300px;
    overflow-y: auto;
}

/* ── Settings Page ───────────────────────── */
.settings-profile-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    text-align: center;
    margin-bottom: var(--space-lg);
}

.settings-avatar {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-full);
    background: var(--surface-container-high);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    font-size: 2rem;
    color: var(--on-surface-variant);
}

.settings-name {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 2px;
}

.settings-email {
    font-size: 0.875rem;
    color: var(--on-surface-variant);
    margin-bottom: var(--space-sm);
}

.plan-badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 4px 14px;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.plan-badge-free {
    background: var(--surface-container-high);
    color: var(--on-surface-variant);
}

.plan-badge-pro {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    color: var(--on-primary);
}

.settings-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.settings-item {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-lg);
    padding: var(--space-md) var(--space-lg);
    margin-bottom: 8px;
    display: flex;
    align-items: center;
    gap: var(--space-md);
    cursor: pointer;
    transition: background 0.2s ease;
}

.settings-item:hover {
    background: var(--surface-container-low);
}

.settings-item-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--surface-container-low);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.125rem;
    color: var(--on-surface-variant);
    flex-shrink: 0;
}

.settings-item-text {
    flex: 1;
}

.settings-item-text h4 {
    font-size: 0.9375rem;
    font-weight: 500;
    margin-bottom: 1px;
}

.settings-item-text p {
    font-size: 0.8125rem;
    color: var(--on-surface-variant);
    margin: 0;
}

.settings-item-arrow {
    color: var(--outline-variant);
    font-size: 1rem;
}

/* ── Plans Page ──────────────────────────── */
.plan-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    position: relative;
}

.plan-card.featured {
    background: linear-gradient(135deg, rgba(0, 74, 198, 0.04), rgba(37, 99, 235, 0.08));
}

.plan-card .best-value-badge {
    position: absolute;
    top: -12px;
    right: var(--space-lg);
    background: linear-gradient(135deg, #1e40af, #3b82f6);
    color: #fff;
    font-size: 0.625rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    padding: 4px 12px;
    border-radius: var(--radius-full);
}

.plan-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.plan-card .plan-desc {
    font-size: 0.8125rem;
    color: var(--on-surface-variant);
    margin-bottom: var(--space-md);
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--on-surface);
    line-height: 1;
}

.plan-price span {
    font-size: 1rem;
    font-weight: 400;
    color: var(--on-surface-variant);
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: var(--space-md) 0 0;
}

.plan-features li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: 6px 0;
    font-size: 0.875rem;
    color: var(--on-surface-variant);
}

.plan-features li i {
    color: var(--primary);
}

/* ── FAB Button ──────────────────────────── */
.fab {
    position: fixed;
    bottom: 88px;
    right: calc(50% - 220px);
    width: 56px;
    height: 56px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    border: none;
    color: var(--on-primary);
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: 0 6px 24px rgba(0, 74, 198, 0.35);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
    transition: transform 0.2s ease;
}

.fab:hover {
    transform: scale(1.08);
}

/* ── Play Button (Note card) ─────────────── */
.play-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: var(--surface-container-low);
    border: none;
    color: var(--primary);
    font-size: 0.875rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.play-btn:hover {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    color: var(--on-primary);
}

/* ── Utilities ───────────────────────────── */
.text-muted { color: var(--on-surface-variant) !important; }
.text-primary { color: var(--primary) !important; }
.mt-section { margin-top: var(--space-xl); }
.mb-section { margin-bottom: var(--space-xl); }
.gap-sm { gap: var(--space-sm); }
.gap-md { gap: var(--space-md); }

.greeting-subtitle {
    font-size: 0.9375rem;
    color: var(--on-surface-variant);
    margin-top: 4px;
}

/* ── Empty State ─────────────────────────── */
.empty-state {
    text-align: center;
    padding: var(--space-2xl) var(--space-lg);
}

.empty-state i {
    font-size: 3rem;
    color: var(--outline-variant);
    margin-bottom: var(--space-md);
}

.empty-state h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.empty-state p {
    color: var(--on-surface-variant);
    font-size: 0.9375rem;
}

/* ── Password Section (Settings) ─────────── */
.security-section {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    margin-top: var(--space-lg);
}

.security-section h3 {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.security-section p {
    font-size: 0.8125rem;
    color: var(--on-surface-variant);
    margin-bottom: var(--space-md);
}

/* ── Form error ──────────────────────────── */
.form-error {
    color: var(--cat-feedback);
    font-size: 0.8125rem;
    margin-top: 4px;
}

/* ── Toggle Switch ───────────────────────── */
.toggle-switch {
    position: relative;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
}

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

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--surface-container-high);
    border-radius: 13px;
    transition: 0.3s;
}

.toggle-slider:before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    left: 3px;
    bottom: 3px;
    background: var(--surface-container-lowest);
    transition: 0.3s;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--primary);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(22px);
}

/* ── Color picker in toolbar ─────────────── */
.color-picker-wrap {
    position: relative;
    display: inline-flex;
}

.color-picker-wrap input[type="color"] {
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    cursor: pointer;
}

/* ── Modal / Overlay ─────────────────────── */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.4);
    z-index: 2000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
}

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

.modal-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-xl);
    padding: var(--space-xl);
    max-width: 360px;
    width: 100%;
    text-align: center;
}

.modal-card h3 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--space-sm);
}

.modal-card p {
    color: var(--on-surface-variant);
    font-size: 0.9375rem;
    margin-bottom: var(--space-lg);
}

/* ── Dashboard — Upload Zone ─────────────── */
.upload-zone {
    border: 2px dashed var(--outline-variant);
    border-radius: var(--radius-xl);
    padding: var(--space-2xl) var(--space-lg);
    text-align: center;
    background: var(--surface-container-lowest);
    transition: all 0.3s ease;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    position: relative;
    overflow: hidden;
    margin-bottom: var(--space-xl);
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--primary);
    background: rgba(0, 74, 198, 0.03);
    box-shadow: 0 0 0 4px rgba(0, 74, 198, 0.06);
}

.upload-zone-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, rgba(0, 74, 198, 0.08), rgba(37, 99, 235, 0.12));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.upload-zone:hover .upload-zone-icon {
    transform: scale(1.1);
}

.upload-zone h2 {
    font-size: 1.25rem;
    font-weight: 600;
    margin: 0;
}

.upload-zone p {
    font-size: 0.9375rem;
    color: var(--on-surface-variant);
    margin: 0;
    max-width: 320px;
}

.upload-zone input[type="file"] {
    display: none;
}

.btn-browse {
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    border: none;
    color: var(--on-primary);
    font-weight: 600;
    border-radius: var(--radius-full);
    padding: 12px 28px;
    font-size: 0.9375rem;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-browse:hover {
    opacity: 0.9;
    transform: translateY(-1px);
    box-shadow: 0 4px 20px rgba(0, 74, 198, 0.3);
}

/* ── Dashboard — Library Cards ───────────── */
.library-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 420px) {
    .library-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.library-card {
    background: var(--surface-container-lowest);
    border-radius: var(--radius-xl);
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    transition: all 0.2s ease;
    position: relative;
    overflow: hidden;
    text-decoration: none;
    color: var(--on-surface);
}

.library-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-ambient);
    color: var(--on-surface);
}

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

.library-card-info {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    overflow: hidden;
    flex: 1;
}

.library-card-icon {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: var(--surface-container-high);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--on-surface-variant);
    flex-shrink: 0;
}

.library-card-icon.processing {
    background: linear-gradient(135deg, rgba(0, 74, 198, 0.08), rgba(37, 99, 235, 0.12));
    color: var(--primary);
}

.library-card-meta {
    overflow: hidden;
}

.library-card-meta h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.library-card-meta span {
    font-size: 0.6875rem;
    color: var(--on-surface-variant);
    letter-spacing: 0.03em;
}

/* Progress bar */
.library-progress {
    margin-top: auto;
}

.library-progress-info {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 6px;
}

.library-progress-info span {
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--on-surface-variant);
    letter-spacing: 0.03em;
}

.library-progress-bar {
    height: 3px;
    background: var(--surface-container-high);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: var(--space-md);
}

.library-progress-fill {
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    border-radius: 2px;
    transition: width 0.5s ease;
}

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

.library-card-footer span {
    font-size: 0.6875rem;
    color: var(--on-surface-variant);
}

.library-play-btn {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    border: none;
    color: var(--on-primary);
    font-size: 1rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.library-play-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 16px rgba(0, 74, 198, 0.3);
}

.library-play-btn.disabled {
    opacity: 0.35;
    pointer-events: none;
    background: var(--surface-container-high);
    color: var(--on-surface-variant);
}

/* Processing card shimmer */
.library-card.processing::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, transparent 0%, rgba(0, 74, 198, 0.04) 50%, transparent 100%);
    animation: shimmer 2s infinite;
}

@keyframes shimmer {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

.library-progress-fill.processing {
    animation: pulse-bar 1.5s ease-in-out infinite;
}

@keyframes pulse-bar {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Processing overlay on upload zone */
.upload-zone-processing {
    display: none;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg) 0;
}

.upload-zone-processing.visible {
    display: flex;
}

.upload-zone-default.hidden {
    display: none;
}

.spinner-icon {
    animation: spin 1s linear infinite;
    font-size: 2rem;
    color: var(--primary);
}

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

/* ── Responsive ──────────────────────────── */
@media (min-width: 768px) {
    .app-container {
        padding: 0 var(--space-xl);
    }
}

/* Hide bottom nav on editor page for more space */
.editor-page .bottom-nav {
    display: none;
}

.editor-page .app-container {
    padding-bottom: 20px;
}

/* ═══════════════════════════════════════════
   Audio Player Page
   ═══════════════════════════════════════════ */

/* Header */
.player-header {
    display: flex;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    border-bottom: 1px solid rgba(196, 198, 207, 0.1);
    background: var(--surface);
    flex-shrink: 0;
    gap: var(--space-md);
    z-index: 50;
}

.player-back-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--on-surface);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 500;
    white-space: nowrap;
    transition: color 0.2s;
}

.player-back-btn:hover { color: var(--primary); }

.player-title-area {
    flex: 1;
    text-align: center;
    overflow: hidden;
}

.player-title-area h1 {
    font-size: 1.125rem;
    font-weight: 600;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    margin: 0;
}

.player-doc-id {
    font-size: 0.6875rem;
    color: var(--on-surface-variant);
    letter-spacing: 0.03em;
}

.player-header-actions {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.player-icon-btn {
    background: transparent;
    border: none;
    color: var(--on-surface-variant);
    font-size: 1rem;
    padding: 8px;
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.2s;
    text-decoration: none;
}

.player-icon-btn:hover {
    background: rgba(0, 74, 198, 0.06);
    color: var(--primary);
}

/* Body Layout */
.player-body {
    flex: 1;
    display: flex;
    overflow: hidden;
}

.player-left {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-lg);
    position: relative;
    gap: var(--space-lg);
    overflow: hidden;
}

/* Ambient Glow */
.player-glow {
    position: absolute;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(0, 74, 198, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

/* Thumbnail */
.player-thumbnail {
    width: 140px;
    height: 180px;
    background: var(--surface-container-lowest);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    position: relative;
    box-shadow: var(--shadow-ambient);
    border: 1px solid rgba(196, 198, 207, 0.08);
}

.player-thumbnail i {
    font-size: 3rem;
    color: var(--primary);
    opacity: 0.5;
}

.player-badge {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: var(--primary);
    color: var(--on-primary);
    font-size: 0.5625rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: var(--radius-full);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* Voice Pill */
.player-voice-pill {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    background: var(--surface-container-lowest);
    border: 1px solid rgba(196, 198, 207, 0.12);
    border-radius: var(--radius-full);
    padding: 8px 16px;
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
}

.player-voice-pill:hover {
    border-color: var(--primary);
    background: rgba(0, 74, 198, 0.04);
}

/* Waveform */
.player-waveform {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
    height: 100px;
    padding: 0 var(--space-md);
}

.player-waveform span {
    display: block;
    width: 4px;
    border-radius: 3px;
    background: var(--primary);
    opacity: 0.25;
    transition: all 0.3s ease;
}

.player-waveform span.center-bar {
    background: var(--primary);
    opacity: 0.5;
}

.player-waveform.animating span {
    animation: wave 1.2s ease-in-out infinite;
}

.player-waveform.animating span:nth-child(1) { animation-delay: 0s; }
.player-waveform.animating span:nth-child(2) { animation-delay: 0.1s; }
.player-waveform.animating span:nth-child(3) { animation-delay: 0.2s; }
.player-waveform.animating span:nth-child(4) { animation-delay: 0.3s; }
.player-waveform.animating span:nth-child(5) { animation-delay: 0.4s; }
.player-waveform.animating span:nth-child(6) { animation-delay: 0.5s; }
.player-waveform.animating span:nth-child(7) { animation-delay: 0.4s; }
.player-waveform.animating span:nth-child(8) { animation-delay: 0.3s; }
.player-waveform.animating span:nth-child(9) { animation-delay: 0.2s; }
.player-waveform.animating span:nth-child(10) { animation-delay: 0.3s; }
.player-waveform.animating span:nth-child(11) { animation-delay: 0.2s; }
.player-waveform.animating span:nth-child(12) { animation-delay: 0.1s; }
.player-waveform.animating span:nth-child(13) { animation-delay: 0s; }

.player-waveform.animating span.center-bar {
    opacity: 1;
    box-shadow: 0 0 12px rgba(0, 74, 198, 0.5);
}

@keyframes wave {
    0%, 100% { transform: scaleY(0.5); opacity: 0.3; }
    50% { transform: scaleY(1); opacity: 0.8; }
}

/* Progress Bar */
.player-progress-row {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    max-width: 400px;
    padding: 0 var(--space-sm);
}

.player-time {
    font-size: 0.6875rem;
    color: var(--on-surface-variant);
    width: 36px;
    text-align: center;
    font-variant-numeric: tabular-nums;
}

.player-progress-track {
    flex: 1;
    height: 6px;
    background: var(--surface-container-high);
    border-radius: 3px;
    cursor: pointer;
    position: relative;
}

.player-progress-fill {
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    border-radius: 3px;
    transition: width 0.2s ease;
}

.player-progress-thumb {
    position: absolute;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 14px;
    height: 14px;
    background: var(--on-primary);
    border: 3px solid var(--primary);
    border-radius: 50%;
    opacity: 0;
    transition: opacity 0.2s;
    z-index: 2;
}

.player-progress-track:hover .player-progress-thumb {
    opacity: 1;
}

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

.player-play-btn {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    border: none;
    color: var(--on-primary);
    font-size: 1.75rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s ease;
    box-shadow: 0 4px 24px rgba(0, 74, 198, 0.25);
}

.player-play-btn:hover {
    transform: scale(1.06);
    box-shadow: 0 6px 32px rgba(0, 74, 198, 0.4);
}

.player-play-btn.playing {
    box-shadow: 0 0 40px rgba(0, 74, 198, 0.3);
}

.player-skip-btn {
    background: transparent;
    border: none;
    color: var(--on-surface-variant);
    font-size: 1.25rem;
    cursor: pointer;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0;
    transition: color 0.2s;
    padding: 8px;
}

.player-skip-btn span {
    font-size: 0.5625rem;
    font-weight: 700;
    margin-top: -4px;
}

.player-skip-btn:hover { color: var(--primary); }

/* Utility Row */
.player-utils {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    max-width: 400px;
    padding: 0 var(--space-sm);
}

.player-volume {
    display: flex;
    align-items: center;
    gap: 6px;
    color: var(--on-surface-variant);
    font-size: 1rem;
}

.player-volume input[type="range"] {
    width: 70px;
    height: 3px;
    -webkit-appearance: none;
    appearance: none;
    background: var(--surface-container-high);
    border-radius: 2px;
    outline: none;
}

.player-volume input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--on-surface-variant);
    cursor: pointer;
}

.player-speed-btn {
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--on-surface-variant);
    background: transparent;
    border: 1px solid rgba(196, 198, 207, 0.2);
    border-radius: var(--radius-full);
    padding: 4px 12px;
    cursor: pointer;
    transition: all 0.2s;
}

.player-speed-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
}

/* Transcript Panel */
.player-transcript-panel {
    width: 360px;
    display: none;
    flex-direction: column;
    background: var(--surface-container-lowest);
    border-left: 1px solid rgba(196, 198, 207, 0.08);
    position: relative;
    overflow: hidden;
}

@media (min-width: 768px) {
    .player-transcript-panel {
        display: flex;
    }
}

.player-transcript-panel.visible {
    display: flex;
    position: fixed;
    inset: 0;
    width: 100%;
    z-index: 100;
    border-left: none;
}

.player-transcript-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-lg);
    border-bottom: 1px solid rgba(196, 198, 207, 0.08);
    flex-shrink: 0;
}

.player-transcript-header h2 {
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0;
}

.player-transcript-body {
    flex: 1;
    overflow-y: auto;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.player-transcript-body::-webkit-scrollbar { display: none; }

.transcript-para {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--outline-variant);
    transition: all 0.4s ease;
    opacity: 0.35;
}

.transcript-para.active {
    color: var(--on-surface);
    font-weight: 500;
    opacity: 1;
}

.transcript-para.past {
    opacity: 0.5;
}

.player-transcript-fade {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(to top, var(--surface-container-lowest), transparent);
    pointer-events: none;
}

/* Transcript Toggle Button (Mobile) */
.player-transcript-toggle {
    display: flex;
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    color: var(--on-primary);
    border: none;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    cursor: pointer;
    box-shadow: 0 4px 20px rgba(0, 74, 198, 0.35);
    z-index: 50;
    transition: transform 0.2s;
}

.player-transcript-toggle:hover { transform: scale(1.08); }

@media (min-width: 768px) {
    .player-transcript-toggle { display: none; }
}

/* ═══════════════════════════════════════════
   Document Library (Notes Page)
   ═══════════════════════════════════════════ */

.lib-page .app-container {
    max-width: 960px;
    padding-bottom: 100px;
}

/* Header row */
.lib-header {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

.lib-header-top {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.lib-header h1 {
    font-size: 1.75rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin: 0;
}

.lib-header p {
    color: var(--on-surface-variant);
    font-size: 0.9375rem;
    margin: 0;
}

.lib-header-controls {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    flex-wrap: wrap;
}

/* Search */
.lib-search {
    position: relative;
    width: 220px;
}

.lib-search i {
    position: absolute;
    left: 14px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--outline-variant);
    font-size: 0.875rem;
}

.lib-search input {
    width: 100%;
    padding: 10px 14px 10px 38px;
    background: var(--surface-container-low);
    border: 1px solid rgba(196, 198, 207, 0.15);
    border-radius: var(--radius-full);
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    color: var(--on-surface);
    outline: none;
    transition: all 0.2s;
}

.lib-search input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(0, 74, 198, 0.08);
}

.lib-search input::placeholder { color: var(--outline-variant); }

/* Sort button */
.lib-sort-btn {
    display: flex;
    align-items: center;
    gap: 6px;
    background: var(--surface-container-low);
    border: 1px solid rgba(196, 198, 207, 0.15);
    border-radius: var(--radius-full);
    padding: 10px 16px;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--on-surface);
    cursor: pointer;
    transition: all 0.2s;
    font-family: 'Inter', sans-serif;
}

.lib-sort-btn:hover { border-color: var(--primary); }

/* Layout: Sidebar + Grid */
.lib-layout {
    display: flex;
    gap: var(--space-lg);
}

/* Filter Sidebar */
.lib-sidebar {
    width: 170px;
    flex-shrink: 0;
    display: none;
}

@media (min-width: 640px) {
    .lib-sidebar { display: block; }
}

.lib-filter-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    width: 100%;
    padding: 10px 14px;
    border-radius: var(--radius-md);
    background: transparent;
    border: none;
    color: var(--on-surface-variant);
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
    text-align: left;
    margin-bottom: 4px;
}

.lib-filter-btn:hover {
    background: var(--surface-container-low);
    color: var(--on-surface);
}

.lib-filter-btn.active {
    background: rgba(0, 74, 198, 0.08);
    color: var(--primary);
    font-weight: 600;
}

.lib-filter-btn i { font-size: 1rem; }

/* Mobile filter chips (horizontal scroll) */
.lib-filter-chips-mobile {
    display: flex;
    gap: var(--space-sm);
    overflow-x: auto;
    padding-bottom: var(--space-sm);
    margin-bottom: var(--space-md);
    scrollbar-width: none;
}

.lib-filter-chips-mobile::-webkit-scrollbar { display: none; }

@media (min-width: 640px) {
    .lib-filter-chips-mobile { display: none; }
}

/* Card Grid */
.lib-grid {
    flex: 1;
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

@media (min-width: 480px) {
    .lib-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
    .lib-grid { grid-template-columns: repeat(3, 1fr); }
}

/* Document Card */
.doc-card {
    background: var(--surface-container-lowest);
    border: 1px solid rgba(196, 198, 207, 0.08);
    border-radius: var(--radius-xl);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: all 0.25s ease;
    position: relative;
}

.doc-card:hover {
    border-color: rgba(0, 74, 198, 0.3);
    box-shadow: var(--shadow-ambient);
    transform: translateY(-2px);
}

/* Card actions (top-right) */
.doc-card-actions {
    position: absolute;
    top: 10px;
    right: 10px;
    display: flex;
    gap: 4px;
    z-index: 5;
    opacity: 0;
    transition: opacity 0.2s;
}

.doc-card:hover .doc-card-actions { opacity: 1; }

.doc-card-action-btn {
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    border: none;
    color: var(--on-surface-variant);
    width: 28px;
    height: 28px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    cursor: pointer;
    transition: all 0.2s;
}

.doc-card-action-btn:hover {
    background: rgba(0, 74, 198, 0.3);
    color: var(--primary);
}

/* Card thumbnail */
.doc-card-thumb {
    height: 120px;
    background: var(--surface-container-low);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.doc-card-thumb::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 40px;
    background: linear-gradient(to top, var(--surface-container-lowest), transparent);
}

.doc-card-thumb i {
    font-size: 2.5rem;
    color: var(--primary);
    opacity: 0.4;
}

/* Progress bar on thumb (for "processing" state) */
.doc-card-thumb-progress {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--surface-container-high);
}

.doc-card-thumb-progress-fill {
    height: 100%;
    background: var(--primary);
    border-radius: 0 2px 2px 0;
}

/* Card body */
.doc-card-body {
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    flex: 1;
}

.doc-card-body h3 {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0 0 4px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    padding-right: var(--space-sm);
}

.doc-card-body h3 a {
    color: var(--on-surface);
    text-decoration: none;
}

.doc-card-body h3 a:hover { color: var(--primary); }

.doc-card-info {
    font-size: 0.6875rem;
    color: var(--on-surface-variant);
    letter-spacing: 0.03em;
    margin-bottom: var(--space-md);
}

/* Card footer */
.doc-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

/* Status badge */
.doc-status-badge {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 4px 10px;
    border-radius: var(--radius-full);
    font-size: 0.6875rem;
    font-weight: 600;
    background: var(--surface-container-high);
    border: 1px solid rgba(196, 198, 207, 0.1);
}

.doc-status-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.doc-status-badge.completed .doc-status-dot { background: #34d399; }
.doc-status-badge.completed { color: var(--on-surface); }

.doc-status-badge.in-progress .doc-status-dot { background: var(--primary); }
.doc-status-badge.in-progress { color: var(--primary); }

/* Play button */
.doc-play-btn {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, var(--primary), var(--primary-container));
    border: none;
    color: var(--on-primary);
    font-size: 1.125rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
    box-shadow: 0 3px 12px rgba(0, 74, 198, 0.2);
}

.doc-play-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 4px 16px rgba(0, 74, 198, 0.35);
}