/* ================================================================
   OB DualTrack Admin — Claude-inspired warm parchment design system
   ================================================================ */

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

:root {
    /* Page */
    --bg-page: #F5F4ED;
    --bg-card: #FAF9F5;
    --bg-memory: #FFFFFF;
    --bg-sidebar: #2D2B2A;

    /* Text */
    --text-primary: #141413;
    --text-secondary: #5E5D59;
    --text-tertiary: #87867F;
    --text-sidebar: #B0AEA5;
    --text-sidebar-active: #FAF9F5;

    /* Border */
    --border: #F0EEE6;
    --border-prominent: #E8E6DC;

    /* Buttons */
    --btn-bg: #E8E6DC;
    --btn-text: #4D4C48;
    --cta: #C96442;
    --cta-hover: #B55838;
    --cta-text: #FAF9F5;

    /* Semantic */
    --success: #2D8659;
    --danger: #B53333;
    --danger-hover: #9A2B2B;
    --focus: #3898EC;

    /* Kind palette */
    --kind-anchor: #C96442;
    --kind-card: #5B8FA8;
    --kind-dossier: #8B7FB5;
    --kind-scene: #6B9E7A;
    --kind-insight: #D08B5B;
    --kind-fact: #87867F;
    --kind-preference: #C9787E;
    --kind-feedback: #C9A84C;

    /* Typography */
    --font-heading: Georgia, 'Times New Roman', serif;
    --font-body: system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    --font-mono: ui-monospace, 'SF Mono', 'Cascadia Code', 'Consolas', monospace;

    /* Spacing */
    --sidebar-width: 240px;
    --radius: 8px;
    --radius-sm: 6px;
    --radius-lg: 12px;

    /* Shadows */
    --shadow-whisper: 0 1px 3px rgba(20, 20, 19, 0.04);
    --shadow-card: 0 1px 3px rgba(20, 20, 19, 0.06), 0 1px 2px rgba(20, 20, 19, 0.04);
    --shadow-elevated: 0 4px 16px rgba(20, 20, 19, 0.08), 0 2px 4px rgba(20, 20, 19, 0.04);
    --shadow-modal: 0 20px 60px rgba(20, 20, 19, 0.18), 0 4px 16px rgba(20, 20, 19, 0.08);
    --shadow-ring: 0 0 0 1px rgba(20, 20, 19, 0.05);
}

body {
    font-family: var(--font-body);
    background: var(--bg-page);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

/* ================================================================
   Layout — Two-column sidebar + main content
   ================================================================ */

.app-layout {
    display: flex;
    min-height: 100vh;
}

/* ── Sidebar ── */
.sidebar {
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    display: flex;
    flex-direction: column;
    z-index: 100;
    overflow-y: auto;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 1.5rem 1.25rem 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.sidebar-header h1 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text-sidebar-active);
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.sidebar-header .subtitle {
    font-size: 0.8rem;
    color: var(--text-sidebar);
    margin-bottom: 0;
}

.sidebar-nav {
    flex: 1;
    padding: 0.75rem 0;
}

.sidebar-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.25rem;
    color: var(--text-sidebar);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s, background 0.2s;
    border-left: 3px solid transparent;
}

.sidebar-link:hover {
    color: var(--text-sidebar-active);
    background: rgba(255, 255, 255, 0.04);
}

.sidebar-link.active {
    color: var(--text-sidebar-active);
    border-left-color: var(--cta);
    background: rgba(255, 255, 255, 0.06);
    font-weight: 500;
}

/* ── Hamburger (mobile) ── */
.hamburger {
    display: none;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 200;
    background: var(--bg-sidebar);
    color: var(--text-sidebar-active);
    border: none;
    border-radius: var(--radius-sm);
    padding: 0.5rem 0.65rem;
    cursor: pointer;
    font-size: 1.25rem;
    line-height: 1;
    box-shadow: var(--shadow-elevated);
}

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

/* .container is now the inner content area */
.container {
    padding: 2rem 2.5rem;
    max-width: 1120px;
    margin: 0 auto;
}

/* ================================================================
   Typography
   ================================================================ */

h1 {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

h2 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.2;
    margin-bottom: 1rem;
    padding-bottom: 0.6rem;
    border-bottom: 1px solid var(--border);
}

h3 {
    font-family: var(--font-heading);
    font-size: 1.05rem;
    font-weight: 500;
    color: var(--text-primary);
    line-height: 1.2;
}

.subtitle {
    color: var(--text-tertiary);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

/* ================================================================
   Tab Navigation (inside sidebar vertical stack)
   ================================================================ */

.tab-nav {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
    margin-bottom: 1.5rem;
    padding: 0.75rem 0;
    border-bottom: none;
    overflow-x: visible;
}

.tab-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.55rem 1.25rem;
    color: var(--text-sidebar);
    text-decoration: none;
    font-size: 0.875rem;
    font-weight: 400;
    white-space: nowrap;
    border-left: 3px solid transparent;
    border-bottom: none;
    margin-bottom: 0;
    transition: color 0.2s, background 0.2s, border-color 0.2s;
}

.tab-link:hover {
    color: var(--text-sidebar-active);
    background: rgba(255, 255, 255, 0.04);
}

.tab-link.active {
    color: var(--text-sidebar-active);
    border-left-color: var(--cta);
    background: rgba(255, 255, 255, 0.06);
    font-weight: 500;
}

/* ================================================================
   Stats Bar
   ================================================================ */

.stats-bar {
    display: flex;
    gap: 2rem;
    padding: 0.875rem 1.25rem;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 1.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
    box-shadow: var(--shadow-whisper);
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.stat-item .stat-label {
    font-size: 0.75rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.stat-item .stat-value {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 1rem;
}

/* ================================================================
   Cards
   ================================================================ */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    margin-bottom: 1.25rem;
    box-shadow: var(--shadow-card);
}

/* ── Slot cards (settings) ── */
.slot-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 1rem;
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow-whisper);
}

.slot-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.75rem;
}

.slot-body {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
}

.slot-body label {
    display: flex;
    flex-direction: column;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.slot-body input, .slot-body select {
    margin-top: 0.25rem;
    padding: 0.45rem 0.6rem;
    background: var(--bg-memory);
    border: 1px solid var(--border-prominent);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
    font-family: var(--font-body);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.slot-body input:focus, .slot-body select:focus {
    outline: none;
    border-color: var(--focus);
    box-shadow: 0 0 0 3px rgba(56, 152, 236, 0.15);
}

/* ================================================================
   Memory Cards (expandable)
   ================================================================ */

.memory-card {
    background: var(--bg-memory);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 0.5rem;
    cursor: pointer;
    transition: background 0.2s, box-shadow 0.2s, border-color 0.2s;
    box-shadow: var(--shadow-whisper);
}

.memory-card:hover {
    border-color: var(--border-prominent);
    box-shadow: var(--shadow-card);
}

.memory-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    flex-wrap: wrap;
    cursor: pointer;
}

.memory-title {
    font-weight: 600;
    color: var(--text-primary);
    flex: 1;
    min-width: 120px;
    font-size: 0.9rem;
}

.memory-score {
    color: var(--cta);
    font-weight: 600;
    font-size: 0.875rem;
}

.memory-tags {
    color: var(--text-tertiary);
    font-size: 0.8rem;
}

.expand-arrow {
    color: var(--text-tertiary);
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.memory-card.expanded .expand-arrow { transform: rotate(180deg); }
.expand-arrow.rotated { transform: rotate(180deg); }

/* ── Favorite (star) & Pin icons ── */
.icon-star, .icon-pin {
    font-size: 1rem;
    cursor: pointer;
    transition: color 0.2s, transform 0.15s;
    flex-shrink: 0;
    line-height: 1;
    color: var(--text-tertiary);
}
.icon-star:hover, .icon-pin:hover {
    transform: scale(1.2);
}
.icon-star.active {
    color: var(--cta);
}
.icon-pin.active {
    color: var(--cta);
}

/* Pinned / starred card left accent */
.memory-card.card-pinned,
.memory-card.card-starred {
    border-left: 3px solid var(--cta);
}

.memory-detail {
    display: none;
    padding: 0 1rem 1rem;
    border-top: 1px solid var(--border);
}

.memory-card.expanded .memory-detail { display: block; }

.detail-section {
    margin: 0.75rem 0;
}

.detail-section strong {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    display: block;
    margin-bottom: 0.25rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.detail-section p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin: 0;
}

.detail-row {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    padding: 0.3rem 0;
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

/* ================================================================
   Buttons
   ================================================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    padding: 0.5rem 1rem;
    background: var(--btn-bg);
    color: var(--btn-text);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 500;
    font-size: 0.875rem;
    font-family: var(--font-body);
    margin-right: 0.5rem;
    box-shadow: var(--shadow-ring);
    transition: background 0.2s, box-shadow 0.2s;
    line-height: 1.4;
}

.btn:hover {
    background: #DDD9CE;
    box-shadow: var(--shadow-ring), var(--shadow-whisper);
}

.btn:active {
    background: #D4D0C5;
}

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

.btn-danger {
    background: var(--danger);
    color: #FFFFFF;
    box-shadow: none;
}

.btn-danger:hover {
    background: var(--danger-hover);
}

.btn-sm {
    padding: 0.3rem 0.65rem;
    background: var(--btn-bg);
    color: var(--text-secondary);
    border: 1px solid var(--border-prominent);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8rem;
    font-family: var(--font-body);
    font-weight: 500;
    transition: background 0.2s, border-color 0.2s;
}

.btn-sm:hover {
    background: #DDD9CE;
    border-color: #D4D0C5;
}

.btn-sm.active {
    background: var(--cta);
    color: var(--cta-text);
    border-color: var(--cta);
    font-weight: 600;
}

/* ── Basket actions ── */
.basket-actions {
    display: flex;
    gap: 0.4rem;
    margin-top: 0.5rem;
}

.btn-approve {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.85rem;
    background: var(--success);
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-body);
    transition: background 0.2s;
}

.btn-approve:hover { background: #267A4F; }

.btn-reject {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.4rem 0.85rem;
    background: var(--danger);
    color: #FFFFFF;
    border: none;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.8rem;
    font-weight: 600;
    font-family: var(--font-body);
    transition: background 0.2s;
}

.btn-reject:hover { background: var(--danger-hover); }

/* ================================================================
   Filter Bar
   ================================================================ */

.filter-bar {
    display: flex;
    gap: 0.35rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.4rem 0.85rem;
    background: transparent;
    color: var(--text-secondary);
    border: 1px solid transparent;
    border-radius: 100px;
    cursor: pointer;
    font-size: 0.8rem;
    font-family: var(--font-body);
    font-weight: 500;
    transition: color 0.2s, background 0.2s, border-color 0.2s;
}

.filter-btn:hover {
    background: rgba(201, 100, 66, 0.06);
    color: var(--text-primary);
}

.filter-btn.active {
    color: var(--cta);
    border-bottom: 2px solid var(--cta);
    font-weight: 600;
    background: transparent;
    border-color: transparent;
    border-bottom-color: var(--cta);
    border-radius: 0;
}

/* ================================================================
   Badges
   ================================================================ */

/* Notification badge */
.badge {
    display: inline-block;
    background: var(--cta);
    color: #FFFFFF;
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    margin-left: 0.25rem;
    vertical-align: middle;
    min-width: 1.1rem;
    text-align: center;
    line-height: 1.2;
}

/* ── Kind badges ── */
.kind-badge {
    display: inline-block;
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.kind-anchor   { background: var(--kind-anchor);     color: #FFFFFF; }
.kind-card     { background: var(--kind-card);        color: #FFFFFF; }
.kind-dossier  { background: var(--kind-dossier);     color: #FFFFFF; }
.kind-scene    { background: var(--kind-scene);       color: #FFFFFF; }
.kind-insight  { background: var(--kind-insight);     color: #FFFFFF; }
.kind-fact     { background: var(--kind-fact);         color: #FFFFFF; }
.kind-preference { background: var(--kind-preference); color: #FFFFFF; }
.kind-feedback { background: var(--kind-feedback);     color: #3D3600; }

/* ── State badges ── */
.state-badge {
    display: inline-block;
    padding: 0.15rem 0.55rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.state-emerging {
    background: rgba(91, 143, 168, 0.12);
    color: var(--kind-card);
}

.state-stable {
    background: rgba(45, 134, 89, 0.12);
    color: var(--success);
}

.state-fading {
    background: rgba(135, 134, 127, 0.12);
    color: var(--text-tertiary);
}

/* ── Mode dot ── */
.mode-dot {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    margin-right: 0.3rem;
    vertical-align: middle;
    flex-shrink: 0;
}

.mode-always  { background: var(--success); }
.mode-keyword { background: var(--kind-card); }
.mode-silent  { background: var(--text-tertiary); }
.mode-opening { background: var(--kind-card); }

/* ── Mode tags (labeled) ── */
.mode-tag {
    display: inline-block;
    padding: 0.1rem 0.45rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.mode-tag-always  { background: var(--success);       color: #FFFFFF; }
.mode-tag-keyword { background: var(--cta);            color: var(--cta-text); }
.mode-tag-silent  { background: var(--border-prominent); color: var(--text-tertiary); }

/* ── Emotion tags ── */
.emotion-tag {
    display: inline-block;
    padding: 0.15rem 0.45rem;
    background: rgba(135, 134, 127, 0.1);
    color: var(--text-secondary);
    border-radius: 4px;
    font-size: 0.7rem;
    margin: 0.1rem;
}

/* ================================================================
   Progress Bars
   ================================================================ */

.progress-bar {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--cta);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.7rem;
    color: var(--cta-text);
    font-weight: 600;
    transition: width 0.3s ease;
    border-radius: 3px;
}

/* ── Thin bars (maturity / salience / priority) ── */
.bar-container {
    width: 100%;
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin: 0.25rem 0;
}

.bar-fill {
    height: 100%;
    border-radius: 3px;
    transition: width 0.3s ease;
}

.bar-thin     { background: var(--kind-feedback); }
.bar-medium   { background: var(--kind-insight); }
.bar-thick    { background: var(--success); }
.bar-salience { background: var(--kind-card); }
.bar-priority { background: var(--kind-dossier); }

/* ================================================================
   Score Grid
   ================================================================ */

.score-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.score-item {
    background: var(--bg-page);
    padding: 0.5rem 0.75rem;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border);
}

.score-label {
    display: block;
    font-size: 0.7rem;
    color: var(--text-tertiary);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-bottom: 0.2rem;
}

.score-value {
    font-size: 1rem;
    font-weight: 600;
    color: var(--cta);
}

.stance-note-preview {
    background: var(--bg-page);
    padding: 0.75rem 1rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    border-left: 3px solid var(--cta);
    font-style: italic;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

/* ================================================================
   Zone Cards (Mind Map)
   ================================================================ */

.zone-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    margin-bottom: 0.75rem;
    border-left: 4px solid var(--border-prominent);
    overflow: hidden;
    box-shadow: var(--shadow-whisper);
    transition: box-shadow 0.2s;
}

.zone-card:hover {
    box-shadow: var(--shadow-card);
}

.zone-card.zone-who     { border-left-color: var(--kind-anchor); }
.zone-card.zone-stand   { border-left-color: var(--kind-card); }
.zone-card.zone-walked  { border-left-color: var(--kind-scene); }
.zone-card.zone-know    { border-left-color: var(--kind-dossier); }
.zone-card.zone-lately  { border-left-color: var(--kind-preference); }
.zone-card.zone-pending { border-left-color: var(--kind-insight); }

.zone-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0.75rem 1rem;
    cursor: pointer;
    user-select: none;
    transition: background 0.15s;
}

.zone-header:hover {
    background: rgba(20, 20, 19, 0.015);
}

.zone-title {
    font-family: var(--font-heading);
    font-weight: 500;
    color: var(--text-primary);
    font-size: 0.95rem;
}

.zone-count {
    color: var(--text-tertiary);
    font-size: 0.8rem;
}

.zone-arrow {
    color: var(--text-tertiary);
    font-size: 0.75rem;
    transition: transform 0.2s ease;
}

.zone-card.expanded .zone-arrow { transform: rotate(180deg); }

.zone-body {
    display: none;
    padding: 0 1rem 1rem;
}

.zone-card.expanded .zone-body { display: block; }

/* ================================================================
   Growth Stage Display
   ================================================================ */

.stage-display {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.stage-badge-lg {
    padding: 0.5rem 1.5rem;
    border-radius: var(--radius);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 500;
}

.stage-acquaintance  { background: rgba(91, 143, 168, 0.12);  color: var(--kind-card); }
.stage-understanding { background: rgba(107, 158, 122, 0.12); color: var(--kind-scene); }
.stage-integrated    { background: rgba(201, 100, 66, 0.12);  color: var(--cta); }

.stage-steps {
    display: flex;
    align-items: center;
    gap: 0;
}

.stage-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-prominent);
    transition: background 0.2s;
}

.stage-dot.reached { background: var(--cta); }

.stage-line {
    width: 40px;
    height: 2px;
    background: var(--border-prominent);
    transition: background 0.2s;
}

.stage-line.reached { background: var(--cta); }

/* ── Directive Box ── */
.directive-box {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-left: 3px solid var(--cta);
    padding: 0.85rem 1rem;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

/* ================================================================
   Mode Selector (radio group)
   ================================================================ */

.mode-selector {
    display: inline-flex;
    gap: 0;
    border: 1px solid var(--border-prominent);
    border-radius: var(--radius-sm);
    overflow: hidden;
    background: var(--bg-memory);
}

.mode-selector label {
    padding: 0.3rem 0.7rem;
    font-size: 0.75rem;
    color: var(--text-secondary);
    cursor: pointer;
    border-right: 1px solid var(--border-prominent);
    transition: background 0.15s, color 0.15s;
}

.mode-selector label:last-child { border-right: none; }
.mode-selector label:hover { background: var(--bg-page); }
.mode-selector input { display: none; }

.mode-selector input:checked + span {
    background: var(--cta);
    color: var(--cta-text);
    font-weight: 600;
}

.mode-option input:checked + label {
    background: var(--cta);
    color: var(--cta-text);
    font-weight: 600;
}

/* ================================================================
   Modal
   ================================================================ */

.modal-overlay {
    display: none;
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(20, 20, 19, 0.5);
    z-index: 1000;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    backdrop-filter: blur(2px);
    -webkit-backdrop-filter: blur(2px);
}

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

.modal-content {
    background: var(--bg-memory);
    border-radius: var(--radius-lg);
    max-width: 640px;
    width: 100%;
    max-height: 80vh;
    overflow-y: auto;
    padding: 1.5rem;
    box-shadow: var(--shadow-modal);
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.25rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--border);
}

.modal-header h3 {
    font-family: var(--font-heading);
    color: var(--text-primary);
    font-size: 1.15rem;
    font-weight: 500;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-tertiary);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    border-radius: 4px;
    transition: color 0.2s, background 0.2s;
    line-height: 1;
}

.modal-close:hover {
    color: var(--danger);
    background: rgba(181, 51, 51, 0.06);
}

.modal-summary, .modal-stance {
    margin-bottom: 1rem;
}

.modal-summary strong, .modal-stance strong {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    display: block;
    margin-bottom: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.03em;
}

.modal-summary p, .modal-stance p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin: 0;
}

.modal-section-title {
    color: var(--text-tertiary);
    font-size: 0.8rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--border);
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

/* ================================================================
   Evidence
   ================================================================ */

.evidence-item {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    margin-bottom: 0.5rem;
}

.evidence-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 0.5rem;
}

.evidence-num {
    color: var(--cta);
    font-weight: 700;
    font-size: 0.85rem;
}

.evidence-type {
    background: var(--bg-page);
    color: var(--text-tertiary);
    padding: 0.15rem 0.5rem;
    border-radius: 4px;
    font-size: 0.7rem;
    font-weight: 500;
}

.evidence-time {
    color: var(--text-tertiary);
    font-size: 0.75rem;
    margin-left: auto;
}

.evidence-text {
    color: var(--text-primary);
    font-size: 0.9rem;
    line-height: 1.7;
    border-left: 3px solid var(--cta);
    padding-left: 0.75rem;
    white-space: pre-wrap;
}

/* ================================================================
   Toast
   ================================================================ */

.toast {
    position: fixed;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%) translateY(100px);
    background: var(--bg-sidebar);
    color: var(--text-sidebar-active);
    padding: 0.65rem 1.5rem;
    border-radius: var(--radius);
    font-size: 0.875rem;
    font-weight: 500;
    opacity: 0;
    transition: transform 0.3s ease, opacity 0.3s ease;
    z-index: 2000;
    pointer-events: none;
    box-shadow: var(--shadow-elevated);
}

.toast.visible {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

.toast.toast-error {
    background: var(--danger);
    color: #FFFFFF;
}

/* ================================================================
   Forms & Inputs
   ================================================================ */

input, select, textarea {
    font-family: var(--font-body);
}

input[type="text"],
input[type="number"],
input[type="email"],
input[type="url"],
select,
textarea {
    background: var(--bg-memory);
    border: 1px solid var(--border-prominent);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.875rem;
    padding: 0.5rem 0.7rem;
    transition: border-color 0.2s, box-shadow 0.2s;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--focus);
    box-shadow: 0 0 0 3px rgba(56, 152, 236, 0.15);
}

/* ── Config grid ── */
.config-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}

.config-grid label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.config-grid input[type="number"],
.config-grid input[type="text"] {
    width: 80px;
    padding: 0.35rem 0.5rem;
    background: var(--bg-memory);
    border: 1px solid var(--border-prominent);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.config-grid input[type="range"] {
    width: 150px;
    accent-color: var(--cta);
}

/* ── Toggles ── */
.toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.toggle input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--cta);
    cursor: pointer;
}

.toggle-label {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* ── Edit form (modal) ── */
.edit-form label {
    display: block;
    margin-bottom: 0.85rem;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    font-weight: 500;
}

.edit-form input[type="text"],
.edit-form textarea,
.edit-form select {
    width: 100%;
    margin-top: 0.3rem;
    padding: 0.5rem 0.7rem;
    background: var(--bg-memory);
    border: 1px solid var(--border-prominent);
    border-radius: var(--radius);
    color: var(--text-primary);
    font-size: 0.875rem;
}

.edit-form textarea {
    min-height: 120px;
    resize: vertical;
    font-family: inherit;
    line-height: 1.6;
}

.edit-form .form-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    justify-content: flex-end;
}

/* ================================================================
   Data Table
   ================================================================ */

.data-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
}

.data-table th {
    text-align: left;
    padding: 0.6rem 0.75rem;
    background: var(--bg-card);
    color: var(--text-secondary);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    border-bottom: 1px solid var(--border-prominent);
}

.data-table td {
    padding: 0.55rem 0.75rem;
    border-bottom: 1px solid var(--border);
    color: var(--text-primary);
}

.data-table tr:hover td {
    background: rgba(245, 244, 237, 0.5);
}

.data-table input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--cta);
}

/* ================================================================
   Task Rows (settings)
   ================================================================ */

.task-row {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.6rem 0;
    border-bottom: 1px solid var(--border);
    flex-wrap: wrap;
}

.task-name {
    font-weight: 600;
    min-width: 180px;
    color: var(--cta);
    font-size: 0.875rem;
}

.task-row label {
    font-size: 0.8rem;
    color: var(--text-tertiary);
}

.task-row input, .task-row select {
    padding: 0.35rem 0.5rem;
    background: var(--bg-memory);
    border: 1px solid var(--border-prominent);
    border-radius: var(--radius-sm);
    color: var(--text-primary);
    font-size: 0.85rem;
}

.task-row input:focus, .task-row select:focus {
    outline: none;
    border-color: var(--focus);
    box-shadow: 0 0 0 3px rgba(56, 152, 236, 0.15);
}

/* ================================================================
   Output Box & Prompt Editor
   ================================================================ */

.output-box {
    background: var(--bg-sidebar);
    color: var(--text-sidebar);
    padding: 1rem;
    border-radius: var(--radius);
    margin-top: 1rem;
    white-space: pre-wrap;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    line-height: 1.6;
    max-height: 400px;
    overflow-y: auto;
    min-height: 2rem;
}

.prompt-tabs {
    display: flex;
    gap: 0.4rem;
    margin-bottom: 0.75rem;
}

#prompt-editor {
    background: var(--bg-sidebar);
    color: var(--text-sidebar-active);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    padding: 0.85rem;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    line-height: 1.6;
    resize: vertical;
    margin-bottom: 0.5rem;
    width: 100%;
}

#prompt-editor:focus {
    outline: none;
    border-color: var(--focus);
    box-shadow: 0 0 0 3px rgba(56, 152, 236, 0.15);
}

#prompt-save-status {
    color: var(--success);
    font-size: 0.85rem;
    margin-left: 0.5rem;
}

.test-status {
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-left: 0.5rem;
}

/* ================================================================
   Branch Maturity Grid
   ================================================================ */

.branch-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.75rem;
}

.branch-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 0.85rem 1rem;
    box-shadow: var(--shadow-whisper);
}

.branch-label {
    font-weight: 600;
    color: var(--text-primary);
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.branch-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.8rem;
    color: var(--text-tertiary);
    margin-top: 0.4rem;
}

/* ================================================================
   Model Checkboxes
   ================================================================ */

.model-select { grid-column: 1 / -1; }

.model-checks {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 0.25rem;
}

.model-check {
    display: flex;
    align-items: center;
    gap: 0.35rem;
    background: var(--bg-page);
    padding: 0.35rem 0.65rem;
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    color: var(--text-secondary);
    cursor: pointer;
    border: 1px solid var(--border);
    transition: border-color 0.2s;
}

.model-check:hover {
    border-color: var(--border-prominent);
}

.model-check input {
    accent-color: var(--cta);
}

/* ================================================================
   Advanced Toggle
   ================================================================ */

.advanced-toggle { grid-column: 1 / -1; margin-top: 0.25rem; }
.advanced-section { grid-column: 1 / -1; }

/* ================================================================
   Miscellaneous
   ================================================================ */

.empty {
    color: var(--text-tertiary);
    font-style: italic;
    text-align: center;
    padding: 2rem;
}

.item-list-empty {
    text-align: center;
    padding: 2.5rem;
    color: var(--text-tertiary);
    font-style: italic;
}

.hint {
    color: var(--text-tertiary);
    font-size: 0.8rem;
}

a.hint {
    text-decoration: none;
    transition: color 0.2s;
}

a.hint:hover { color: var(--text-secondary); }

/* ================================================================
   Responsive
   ================================================================ */

@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }

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

    .hamburger {
        display: block;
    }

    .main-content {
        margin-left: 0;
    }

    .container {
        padding: 1.25rem 1rem;
        padding-top: 3.5rem; /* room for hamburger */
    }

    /* Tab nav falls back to horizontal scroll on mobile when in main content */
    .tab-nav {
        flex-direction: row;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        scrollbar-width: none;
        gap: 0;
        border-bottom: 1px solid var(--border);
        padding: 0;
        margin-bottom: 1rem;
    }

    .tab-nav::-webkit-scrollbar { display: none; }

    .tab-link {
        border-left: none;
        border-bottom: 2px solid transparent;
        padding: 0.55rem 0.85rem;
        font-size: 0.8rem;
    }

    .tab-link.active {
        border-left-color: transparent;
        border-bottom-color: var(--cta);
    }

    .stats-bar {
        flex-direction: column;
        gap: 0.5rem;
    }

    .slot-body { grid-template-columns: 1fr; }
    .config-grid { grid-template-columns: 1fr; }
    .score-grid { grid-template-columns: 1fr; }

    .task-row {
        flex-direction: column;
        align-items: flex-start;
    }

    .branch-grid { grid-template-columns: 1fr; }

    .modal-content {
        max-width: 100%;
        margin: 1rem;
        border-radius: var(--radius);
    }

    .stage-display {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}

/* ── Scrollbar styling for main content ── */
.main-content::-webkit-scrollbar,
.modal-content::-webkit-scrollbar,
.output-box::-webkit-scrollbar {
    width: 6px;
}

.main-content::-webkit-scrollbar-track,
.modal-content::-webkit-scrollbar-track,
.output-box::-webkit-scrollbar-track {
    background: transparent;
}

.main-content::-webkit-scrollbar-thumb,
.modal-content::-webkit-scrollbar-thumb,
.output-box::-webkit-scrollbar-thumb {
    background: var(--border-prominent);
    border-radius: 3px;
}

.main-content::-webkit-scrollbar-thumb:hover,
.modal-content::-webkit-scrollbar-thumb:hover,
.output-box::-webkit-scrollbar-thumb:hover {
    background: var(--text-tertiary);
}

/* ── All transitions default ── */
a, button, input, select, textarea {
    transition: all 0.2s ease;
}

/* ── Selection color ── */
::selection {
    background: rgba(201, 100, 66, 0.2);
    color: var(--text-primary);
}

/* ── Focus visible for accessibility ── */
:focus-visible {
    outline: 2px solid var(--focus);
    outline-offset: 2px;
}