/* Signals Design System — PDD §26.3 */

/* === Custom Properties === */
:root {
    /* Color Palette */
    --color-bg-primary: #0a0a0a;
    --color-bg-secondary: #141414;
    --color-bg-panel: #1a1a1a;
    --color-text-primary: #e8e8e8;
    --color-text-secondary: #999999;
    --color-text-muted: #888888;
    --color-accent: #4a9eff;
    --color-danger: #ff4a4a;
    --color-success: #4aff7a;
    --color-warning: #ffb84a;
    --color-signal-cheap: #999999;
    --color-signal-costly: #4aff7a;
    --color-tier-gold: #ffd700;

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

    /* Typography */
    --font-family: system-ui, -apple-system, sans-serif;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.5rem;

    /* Touch Targets */
    --touch-min: 44px;

    /* Borders */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
}

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

/* === Accessibility === */
*:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* === Base === */
body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    min-height: 100dvh;
    padding:
        env(safe-area-inset-top)
        env(safe-area-inset-right)
        env(safe-area-inset-bottom)
        env(safe-area-inset-left);
    -webkit-tap-highlight-color: transparent;
}

/* === Layout === */
.app-main {
    max-width: 720px;
    margin: 0 auto;
    padding: var(--space-md);
}

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

/* Game container (legacy) */
.game-container {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
    touch-action: manipulation;
}

/* === Responsive Game Layout === */
.game-layout {
    display: grid;
    grid-template-columns: 1fr;
    grid-template-rows: auto 1fr auto auto;
    gap: var(--space-md);
    min-height: calc(100dvh - var(--space-md) * 2);
    touch-action: manipulation;
}

.game-col-left,
.game-col-right {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

/* Turn progress indicator */
.turn-indicator {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-md);
}

.turn-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    white-space: nowrap;
}

.turn-progress-bar {
    flex: 1;
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
    max-width: 120px;
}

.turn-progress-fill {
    height: 100%;
    background: var(--color-accent);
    border-radius: 2px;
    transition: width 0.3s ease;
}

/* Mobile tab bar */
.tab-bar {
    display: flex;
    gap: var(--space-xs);
    background: var(--color-bg-secondary);
    border-radius: var(--radius-md);
    padding: var(--space-xs);
}

.tab-btn {
    flex: 1;
    min-height: var(--touch-min);
    padding: var(--space-sm);
    border: none;
    border-radius: var(--radius-sm);
    background: transparent;
    color: var(--color-text-muted);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    cursor: pointer;
    touch-action: manipulation;
}

.tab-btn.active {
    background: var(--color-bg-panel);
    color: var(--color-text-primary);
}

/* Mobile: hide inactive tab panels */
.tab-panel {
    display: none;
}

.tab-panel.active {
    display: block;
}

/* Actions pinned at bottom on mobile */
.game-actions-pinned {
    position: sticky;
    bottom: 0;
    background: var(--color-bg-primary);
    padding: var(--space-sm) 0;
    z-index: 10;
}

/* Outcome drawer */
.game-outcome-drawer {
    background: var(--color-bg-panel);
    border-radius: var(--radius-md);
    padding: var(--space-sm) var(--space-md);
}

.game-outcome-drawer > button {
    width: 100%;
    border: none;
    background: transparent;
    color: var(--color-text-secondary);
    font-family: var(--font-family);
    cursor: pointer;
    text-align: left;
    padding: var(--space-sm) 0;
}

.game-panel {
    background: var(--color-bg-panel);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.game-panel-header {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-sm);
}

/* === Typography === */
.heading-primary {
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
}

.heading-secondary {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
}

.text-primary { color: var(--color-text-primary); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-muted); }

/* === Scenarios === */
.scenario-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.scenario-card {
    background: var(--color-bg-panel);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    min-height: var(--touch-min);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

/* Rich scenario cards */
.scenario-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-md);
}

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

.scenario-card-rich {
    background: var(--color-bg-panel);
    border: 1px solid rgba(255, 255, 255, 0.06);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    cursor: pointer;
    transition: border-color 0.2s ease, transform 0.1s ease;
    text-decoration: none;
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.scenario-card-rich:hover {
    border-color: var(--color-accent);
}

.scenario-card-rich:active {
    transform: scale(0.99);
}

.scenario-card-tutorial {
    border-left: 3px solid var(--color-accent);
}

.scenario-tutorial-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.scenario-card-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text-primary);
}

.scenario-card-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.4;
    margin-bottom: var(--space-sm);
}

.scenario-card-meta {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.scenario-card-meta-item {
    white-space: nowrap;
}

.scenario-card-difficulty {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-top: var(--space-xs);
}

.difficulty-pip {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
}

.difficulty-pip--filled {
    background: var(--color-accent);
}

.difficulty-pip--empty {
    background: var(--color-text-muted);
    opacity: 0.3;
}

.scenario-title {
    color: var(--color-accent);
    text-decoration: none;
    font-size: var(--font-size-lg);
}

.scenario-title:hover {
    text-decoration: underline;
}

.scenario-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.4;
}

/* === Placeholder Pages === */
.placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 50dvh;
    gap: var(--space-md);
}

.placeholder-title {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
}

/* === Game Component Panels === */

/* Dialogue / signal feed */
.dialogue-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    min-height: 200px;
}

/* Action buttons */
.actions-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.action-btn {
    min-height: 48px;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--color-accent);
    border-left: 3px solid var(--color-accent);
    border-radius: var(--radius-md);
    background: transparent;
    color: var(--color-accent);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    cursor: pointer;
    touch-action: manipulation;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 2px;
    text-align: left;
}

.action-label {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
}

.action-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.action-btn:hover:not(:disabled) {
    background: var(--color-accent);
    color: var(--color-bg-primary);
}

.action-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
    border-color: var(--color-text-muted);
    color: var(--color-text-muted);
}

/* Probe pulse animation (tutorial hint) */
@keyframes btn-pulse {
    0%, 100% { box-shadow: 0 0 0 0 rgba(74, 158, 255, 0.4); }
    50% { box-shadow: 0 0 0 6px rgba(74, 158, 255, 0); }
}

.action-btn--pulse {
    animation: btn-pulse 2s ease-in-out infinite;
    border-color: var(--color-accent);
}

/* Tutorial hint overlay */
.tutorial-hint-overlay {
    position: fixed;
    bottom: 120px;
    left: var(--space-md);
    right: var(--space-md);
    max-width: 400px;
    margin: 0 auto;
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    z-index: 50;
    animation: signal-enter 0.3s ease-out;
}

.tutorial-hint-title {
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.1em;
    color: var(--color-accent);
    margin-bottom: var(--space-sm);
}

.tutorial-hint-text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: var(--space-md);
}

.tutorial-hint-dismiss {
    display: block;
    width: 100%;
    background: transparent;
    border: 1px solid var(--color-text-muted);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    padding: var(--space-sm);
    min-height: var(--touch-min);
    cursor: pointer;
    font-size: var(--font-size-base);
    font-family: var(--font-family);
    text-align: center;
}

.action-cost {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    margin-left: var(--space-xs);
}

/* Confirmation panel */
.confirm-panel {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin: var(--space-sm) 0;
}

.confirm-panel-title {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.confirm-panel-detail {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-xs);
}

.confirm-buttons {
    display: flex;
    gap: var(--space-sm);
    margin-top: var(--space-md);
}

.confirm-button-confirm {
    flex: 1;
    background: var(--color-accent);
    color: var(--color-bg-primary);
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    min-height: var(--touch-min);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
}

.confirm-button-cancel {
    flex: 1;
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-text-muted);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    min-height: var(--touch-min);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    cursor: pointer;
}

/* Belief panel */
.beliefs-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.belief-npc {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    background: var(--color-bg-secondary);
}

.belief-npc-name {
    font-weight: 600;
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
}

.belief-trust {
    display: inline-block;
    padding: 2px var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
    color: #fff;
    width: fit-content;
}

/* Belief axis rows — confidence styling per PDD §17.5.2 */
.belief-axis {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

/* Low confidence: blurred/translucent, dashed border, qualifier */
.belief-axis--low {
    opacity: 0.5;
    filter: blur(0.5px);
}

.belief-axis--low .belief-bar-track {
    border-style: dashed;
}

/* Medium confidence: normal opacity, solid border */
.belief-axis--med {
    opacity: 0.85;
}

/* High confidence: full opacity, bold label, filled bar */
.belief-axis--high {
    opacity: 1;
}

.belief-axis--high .belief-label {
    font-weight: 700;
}

.belief-label {
    flex: 0 0 130px;
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.belief-bar-track {
    flex: 1;
    height: 8px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 4px;
    overflow: hidden;
}

.belief-bar-fill {
    height: 100%;
    background: var(--color-accent);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.belief-qualifier {
    flex: 0 0 auto;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-style: italic;
}

/* History filter bar */
.history-filter-bar {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    padding: var(--space-xs) 0 var(--space-sm);
}

.history-filter-btn {
    min-height: var(--touch-min);
    min-width: var(--touch-min);
    padding: var(--space-xs) var(--space-md);
    font-size: var(--font-size-sm);
    border-radius: var(--radius-sm);
    border: 1px solid var(--color-text-muted);
    background: transparent;
    color: var(--color-text-secondary);
    cursor: pointer;
    touch-action: manipulation;
}

.history-filter-btn:hover {
    border-color: var(--color-text-secondary);
    color: var(--color-text-primary);
}

.history-filter-btn.active {
    border-color: var(--color-accent);
    color: var(--color-accent);
    background: rgba(74, 158, 255, 0.1);
}

/* Signal history (virtual scrolling container) */
.history-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    max-height: 400px;
    overflow-y: auto;
}

/* Turn dividers */
.turn-divider {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin: var(--space-lg) 0;
    padding: 0 var(--space-md);
}

.turn-divider-line {
    flex: 1;
    height: 1px;
    background: var(--color-text-muted);
    opacity: 0.3;
}

.turn-divider-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    white-space: nowrap;
}

/* Signal entrance animation */
@keyframes signal-enter {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes costly-pulse {
    0% { box-shadow: 0 0 0 0 rgba(74, 255, 122, 0.4); }
    70% { box-shadow: 0 0 0 8px rgba(74, 255, 122, 0); }
    100% { box-shadow: 0 0 0 0 rgba(74, 255, 122, 0); }
}

/* Signal cards */
.signal-card {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    position: relative;
    animation: signal-enter 0.3s ease-out both;
}

.signal-card-costly-enter {
    animation: signal-enter 0.3s ease-out both, costly-pulse 0.8s ease-out 0.3s;
}

.signal-card-cheap {
    background: rgba(255, 255, 255, 0.03);
    color: var(--color-signal-cheap);
}

.signal-card-costly {
    background: rgba(74, 255, 122, 0.06);
    color: var(--color-signal-costly);
    border: 1px solid rgba(74, 255, 122, 0.3);
    box-shadow: 0 0 8px rgba(74, 255, 122, 0.1);
}

.signal-card-hard {
    background: rgba(74, 255, 122, 0.08);
    color: var(--color-signal-costly);
    border: 1px solid rgba(74, 255, 122, 0.5);
    box-shadow: 0 0 12px rgba(74, 255, 122, 0.15);
}

.signal-card-hard::after {
    content: "";
    position: absolute;
    inset: 0;
    border-radius: var(--radius-md);
    border: 2px solid rgba(74, 255, 122, 0.2);
    pointer-events: none;
}

.signal-emitter {
    font-size: var(--font-size-sm);
    font-weight: bold;
}

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

.signal-content {
    flex: 1;
}

.signal-badge {
    font-size: var(--font-size-sm);
    padding: 2px var(--space-xs);
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.signal-badge-cheap {
    background: rgba(255, 255, 255, 0.05);
    color: var(--color-text-muted);
}

.signal-badge-costly {
    background: rgba(74, 255, 122, 0.15);
    color: var(--color-signal-costly);
}

.signal-badge-hard {
    background: rgba(74, 255, 122, 0.2);
    color: var(--color-signal-costly);
}

.signal-cheap {
    color: var(--color-signal-cheap);
}

.signal-costly {
    color: var(--color-signal-costly);
    font-weight: bold;
}

/* Resource display */
.resources-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.resource-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.resource-section-header {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.resource-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    background: var(--color-bg-secondary);
}

.resource-label {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.resource-value {
    color: var(--color-text-primary);
    font-weight: 600;
    font-variant-numeric: tabular-nums;
}

.resource-noise {
    font-variant-numeric: tabular-nums;
    font-size: var(--font-size-sm);
}

.resource-noise--low {
    color: var(--color-text-secondary);
}

.resource-noise--med {
    color: var(--color-warning);
}

.resource-noise--high {
    color: var(--color-danger);
}

@keyframes resource-flash {
    0% { color: var(--color-accent); }
    100% { color: var(--color-text-primary); }
}

.resource-changed {
    animation: resource-flash 0.6s ease-out;
}

/* Outcome log */
.outcome-panel {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-height: 300px;
    overflow-y: auto;
}

.outcome-entry {
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    background: var(--color-bg-secondary);
}

.outcome-event-text {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.outcome-expand-btn {
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    cursor: pointer;
    padding: var(--space-xs) var(--space-sm);
    margin-left: var(--space-xs);
    font-family: var(--font-family);
    min-height: var(--touch-min);
    touch-action: manipulation;
}

.outcome-trace {
    padding: var(--space-sm);
    margin-top: var(--space-xs);
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-sm);
}

.outcome-trace-candidate {
    color: var(--color-text-muted);
    padding: 2px 0;
}

.outcome-trace-chosen {
    color: var(--color-accent);
    font-weight: 600;
    padding: 2px 0;
}

.outcome-trace-reason {
    color: var(--color-text-secondary);
    font-style: italic;
    padding: 2px 0;
}

/* === Post-Game Masterclass === */

.masterclass-screen {
    position: fixed;
    inset: 0;
    overflow-y: auto;
    background: var(--color-bg-primary);
    z-index: 50;
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    max-width: 800px;
    margin: 0 auto;
}

.masterclass-header {
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
    text-align: center;
    padding: var(--space-md) 0;
}

.masterclass-section {
    background: var(--color-bg-panel);
    border-radius: var(--radius-md);
    padding: var(--space-md);
}

.masterclass-section-header {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
    border-bottom: 1px solid rgba(255,255,255,0.08);
    padding-bottom: var(--space-sm);
}

/* Belief vs Reality Timeline */
.timeline-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
}

.timeline-npc-group {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.timeline-npc-label {
    font-weight: 600;
    color: var(--color-text-primary);
}

.timeline-dual-track {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.timeline-belief-track,
.timeline-truth-track {
    display: flex;
    gap: 2px;
    align-items: flex-end;
    height: 40px;
}

.timeline-truth-track {
    align-items: flex-start;
    opacity: 0.7;
}

.timeline-bar {
    flex: 1;
    border-radius: 2px;
    min-width: 4px;
    position: relative;
}

.timeline-belief-track .timeline-bar {
    background: var(--color-accent);
}

.timeline-truth-track .timeline-bar {
    background: var(--color-success);
}

.timeline-turn-label {
    font-size: 0.7rem;
    color: var(--color-text-muted);
    text-align: center;
}

.timeline-divergence-peak {
    box-shadow: 0 0 6px var(--color-danger);
    border: 1px solid var(--color-danger);
}

/* Signal Audit */
.audit-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    max-height: 400px;
    overflow-y: auto;
}

.audit-entry {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-sm);
    border-left: 3px solid transparent;
}

.audit-truthful {
    border-left-color: var(--color-success);
    background: rgba(74, 255, 122, 0.04);
}

.audit-distorted {
    border-left-color: var(--color-warning);
    background: rgba(255, 184, 74, 0.04);
}

.audit-deceptive {
    border-left-color: var(--color-danger);
    background: rgba(255, 74, 74, 0.04);
}

.audit-badge {
    flex-shrink: 0;
    font-size: var(--font-size-sm);
    padding: 2px var(--space-sm);
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.audit-truthful .audit-badge {
    color: var(--color-success);
    background: rgba(74, 255, 122, 0.12);
}

.audit-distorted .audit-badge {
    color: var(--color-warning);
    background: rgba(255, 184, 74, 0.12);
}

.audit-deceptive .audit-badge {
    color: var(--color-danger);
    background: rgba(255, 74, 74, 0.12);
}

/* Decision Trace (masterclass) */
.trace-npc-group {
    margin-bottom: var(--space-md);
}

.trace-turn-header {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-xs);
}

/* Inference Score */
.score-display {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-lg);
    text-align: center;
}

.score-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1;
}

.score-tier {
    font-size: var(--font-size-lg);
    font-weight: 600;
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-lg);
    background: rgba(74, 158, 255, 0.15);
    color: var(--color-accent);
}

.score-stats {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Inference Score Hero */
.score-hero {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-md);
    padding: var(--space-xl);
    text-align: center;
}

.score-hero-tier {
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.score-hero-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1;
}

/* Per-NPC Verdict Cards */
.npc-verdict-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.npc-verdict-card {
    background: var(--color-bg-panel);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.npc-verdict-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-sm);
}

.npc-verdict-line {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.npc-truth-badge {
    font-size: var(--font-size-sm);
    font-weight: 700;
    padding: 2px var(--space-sm);
    border-radius: var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.npc-truth-honest {
    color: var(--color-success);
    background: rgba(74, 255, 122, 0.12);
}

.npc-truth-deceptive {
    color: var(--color-danger);
    background: rgba(255, 74, 74, 0.12);
}

.npc-read-assessment {
    font-size: var(--font-size-sm);
    font-weight: 600;
}

.npc-read-correct {
    color: var(--color-success);
}

.npc-read-wrong {
    color: var(--color-danger);
}

.npc-lie-count {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-style: italic;
}

/* Masterclass Post-Game Actions */
.masterclass-actions {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    padding: var(--space-lg) 0;
}

/* Verdict Card */
.verdict-card {
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    max-width: 400px;
    margin: 0 auto;
    position: relative;
    overflow: visible;
    display: flex;
    flex-direction: column;
}

.verdict-gradient-top,
.verdict-gradient-bottom {
    height: 4px;
    background: linear-gradient(90deg, var(--color-accent), var(--color-success), var(--color-warning));
    flex-shrink: 0;
}

.verdict-wordmark {
    text-align: center;
    font-size: var(--font-size-sm);
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    padding: var(--space-lg) 0 var(--space-sm);
}

.verdict-tier-hero {
    text-align: center;
    font-size: 1.5rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.verdict-score-hero {
    text-align: center;
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text-primary);
    padding-bottom: var(--space-sm);
}

.verdict-divider {
    height: 1px;
    background: var(--color-text-muted);
    opacity: 0.2;
    margin: var(--space-sm) var(--space-lg);
}

.verdict-header {
    font-size: var(--font-size-xl);
    color: var(--color-text-primary);
    text-align: center;
    font-weight: 700;
}

.verdict-npc-line {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    padding: var(--space-xs) var(--space-lg);
    line-height: 1.5;
}

.verdict-biggest-misread {
    font-size: var(--font-size-sm);
    color: var(--color-warning);
    text-align: center;
    padding: var(--space-sm) var(--space-lg);
}

.verdict-challenge-code {
    text-align: center;
    font-family: monospace;
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 0.1em;
    padding: var(--space-md) 0 var(--space-xs);
}

.verdict-cta-text {
    text-align: center;
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-primary);
}

.verdict-url {
    text-align: center;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    word-break: break-all;
    padding: 0 var(--space-lg) var(--space-md);
}

.verdict-misread {
    padding: var(--space-sm);
    background: rgba(255, 74, 74, 0.06);
    border-radius: var(--radius-sm);
    border-left: 3px solid var(--color-danger);
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

.verdict-tier-badge {
    display: inline-block;
    font-size: var(--font-size-lg);
    font-weight: 700;
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-lg);
    background: rgba(74, 158, 255, 0.15);
    color: var(--color-accent);
    text-align: center;
    align-self: center;
}

.verdict-seed {
    font-family: monospace;
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    text-align: center;
}

.verdict-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.verdict-share-btn {
    min-height: var(--touch-min);
    padding: var(--space-sm) var(--space-lg);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
    background: var(--color-accent);
    color: var(--color-bg-primary);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
    touch-action: manipulation;
}

.verdict-share-btn:hover {
    opacity: 0.9;
}

.verdict-canvas {
    display: none;
}

/* Signal divergence overlay (post-game history) */
.signal-div {
    font-size: var(--font-size-sm);
    padding: 2px var(--space-sm);
    border-radius: var(--radius-sm);
    font-weight: 600;
    white-space: nowrap;
}

.signal-div-truthful {
    color: var(--color-success);
    background: rgba(74, 255, 122, 0.12);
}

.signal-div-distorted {
    color: var(--color-warning);
    background: rgba(255, 184, 74, 0.12);
}

.signal-div-deceptive {
    color: var(--color-danger);
    background: rgba(255, 74, 74, 0.12);
}

/* === Game-End Overlay === */

@keyframes overlay-enter {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.game-end-overlay {
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(4px);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 100;
    animation: overlay-enter 0.6s ease-out both;
    gap: var(--space-lg);
}

.game-end-title {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: var(--space-md);
}

.game-end-title-victory {
    color: var(--color-success);
}

.game-end-title-defeat {
    color: var(--color-danger);
}

.game-end-title-draw {
    color: var(--color-accent);
}

.game-end-score {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
}

.game-end-cta {
    background: var(--color-accent);
    color: var(--color-bg-primary);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    font-family: var(--font-family);
    cursor: pointer;
    min-height: 48px;
    transition: transform 0.1s ease;
    margin-top: var(--space-xl);
}

.game-end-cta:active {
    transform: scale(0.97);
}

.game-board-blurred {
    filter: blur(4px);
    pointer-events: none;
}

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

/* Tablet / Desktop: >= 768px */
@media (min-width: 768px) {
    .app-main {
        max-width: 1024px;
    }

    .game-container {
        grid-template-columns: 1fr 1fr;
    }

    /* Responsive game layout: two columns */
    .game-layout {
        grid-template-columns: 1fr 1fr;
        grid-template-rows: 1fr auto auto;
    }

    /* Hide tab bar on desktop */
    .tab-bar {
        display: none;
    }

    /* Show all tab panels on desktop regardless of active state */
    .tab-panel {
        display: block !important;
    }

    /* Left column: row 1, col 1 */
    .game-col-left {
        grid-column: 1;
        grid-row: 1;
    }

    /* Right column: row 1, col 2 */
    .game-col-right {
        grid-column: 2;
        grid-row: 1;
    }

    /* Actions: in right column, below beliefs */
    .game-actions-pinned {
        grid-column: 2;
        position: static;
        background: transparent;
        padding: 0;
    }

    /* Outcome drawer spans both columns */
    .game-outcome-drawer {
        grid-column: 1 / -1;
    }
}

/* === Mastery Page === */

.mastery-stats {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-xl);
    padding: var(--space-md);
    background: var(--color-bg-panel);
    border-radius: var(--radius-md);
}

.mastery-stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-xs) 0;
}

.mastery-archetype-card {
    padding: var(--space-md);
    margin-bottom: var(--space-sm);
    background: var(--color-bg-panel);
    border-radius: var(--radius-md);
}

.mastery-archetype-name {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    text-transform: capitalize;
    margin-bottom: var(--space-sm);
}

.mastery-progress-track {
    height: 8px;
    background: var(--color-bg-secondary);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: var(--space-xs);
}

.mastery-progress-fill {
    height: 100%;
    background: var(--color-accent);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.mastery-encounters {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* === Home Page === */

/* Hero section */
.hero-section {
    text-align: center;
    padding: var(--space-2xl) var(--space-md) var(--space-xl);
}

.hero-wordmark {
    font-size: 1.8rem;
    font-weight: 700;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--color-text-primary);
    margin-bottom: var(--space-md);
}

.hero-tagline {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.hero-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    max-width: 360px;
    margin: 0 auto var(--space-lg);
    line-height: 1.5;
}

.hero-cta {
    display: inline-block;
    background: var(--color-accent);
    color: var(--color-bg-primary);
    border: none;
    border-radius: var(--radius-md);
    padding: var(--space-md) var(--space-2xl);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    min-height: 48px;
    transition: transform 0.1s ease, background 0.2s ease;
    text-decoration: none;
    line-height: 48px;
}

.hero-cta:active {
    transform: scale(0.97);
}

.hero-cta:hover {
    background: #5aafff;
}

.home-section {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.home-section-title {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.challenge-card {
    display: block;
    background: var(--color-bg-panel);
    border: 1px solid var(--color-accent);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    text-decoration: none;
    color: inherit;
    min-height: var(--touch-min);
    transition: border-color 0.15s;
}

.challenge-card:hover {
    border-color: var(--color-text-primary);
}

.challenge-card.challenge-done {
    border-color: var(--color-success);
    opacity: 0.8;
}

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

.challenge-title {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
}

.challenge-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.challenge-badge {
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 9999px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.challenge-badge-daily {
    background: var(--color-accent);
    color: var(--color-bg-primary);
}

.challenge-badge-weekly {
    background: var(--color-warning);
    color: var(--color-bg-primary);
}

.challenge-done-label {
    font-size: var(--font-size-sm);
    color: var(--color-success);
}

.mastery-summary {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
}

.mastery-summary-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
}

.mastery-summary-value {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    font-weight: 600;
}

.mastery-summary-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.nav-link {
    color: var(--color-accent);
    text-decoration: none;
    font-size: var(--font-size-sm);
}

.nav-link:hover {
    text-decoration: underline;
}

/* === Scenario Resume === */

.scenario-resume {
    font-size: var(--font-size-sm);
    color: var(--color-accent);
    margin-left: var(--space-xs);
}

.scenario-actions {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    margin-top: var(--space-lg);
}

.btn-primary {
    padding: var(--space-sm) var(--space-lg);
    background: var(--color-accent);
    color: var(--color-bg-primary);
    border: none;
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    cursor: pointer;
    min-height: var(--touch-min);
}

.btn-primary:hover {
    opacity: 0.9;
}

.btn-secondary {
    padding: var(--space-sm) var(--space-lg);
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-text-muted);
    border-radius: var(--radius-md);
    font-size: var(--font-size-base);
    cursor: pointer;
    min-height: var(--touch-min);
}

.btn-secondary:hover {
    border-color: var(--color-text-secondary);
}

/* === Briefing Screen === */

/* Challenge briefing header */
.challenge-briefing-header {
    text-align: center;
    padding: var(--space-lg);
    border: 1px solid rgba(74, 158, 255, 0.25);
    border-radius: var(--radius-lg);
    background: rgba(74, 158, 255, 0.06);
    max-width: 400px;
}

.challenge-briefing-title {
    font-size: var(--font-size-lg);
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.challenge-briefing-date {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    margin-bottom: var(--space-sm);
}

.challenge-briefing-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.5;
}

.briefing-screen {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-lg);
    padding: var(--space-2xl) var(--space-md);
    min-height: 80dvh;
    justify-content: center;
    text-align: center;
}

.briefing-decorative {
    width: 60px;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}

.briefing-title {
    font-size: 2rem;
    color: var(--color-text-primary);
    font-weight: 700;
    letter-spacing: -0.01em;
}

.briefing-text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    max-width: 540px;
    line-height: 1.6;
}

.briefing-npc-row {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    justify-content: center;
}

.briefing-npc-card {
    background: var(--color-bg-panel);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    min-width: 160px;
    max-width: 200px;
    text-align: center;
}

.briefing-npc-name {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    font-weight: 600;
    margin-bottom: var(--space-xs);
}

.briefing-npc-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.4;
    font-style: italic;
}

.briefing-meta {
    display: flex;
    gap: var(--space-lg);
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

.briefing-begin-btn {
    min-height: 48px;
    padding: var(--space-sm) var(--space-2xl);
    background: var(--color-accent);
    color: var(--color-bg-primary);
    border: none;
    border-radius: var(--radius-md);
    font-family: var(--font-family);
    font-size: var(--font-size-lg);
    font-weight: 600;
    cursor: pointer;
    touch-action: manipulation;
    width: 100%;
    max-width: 320px;
}

.briefing-begin-btn:hover {
    opacity: 0.9;
}

@media (min-width: 768px) {
    .briefing-begin-btn {
        width: auto;
    }
}

/* Back navigation */
.nav-back {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    background: transparent;
    border: 1px solid var(--color-text-muted);
    border-radius: var(--radius-sm);
    color: var(--color-text-secondary);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    padding: var(--space-xs) var(--space-sm);
    min-height: var(--touch-min);
    cursor: pointer;
    z-index: 10;
}

.nav-back:hover {
    border-color: var(--color-text-primary);
    color: var(--color-text-primary);
}

/* Leave confirmation overlay */
.leave-confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.leave-confirm-dialog {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-text-muted);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    max-width: 320px;
    width: 90%;
}

.leave-confirm-title {
    font-size: var(--font-size-lg);
    color: var(--color-text-primary);
    margin-bottom: var(--space-sm);
}

.leave-confirm-message {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    margin-bottom: var(--space-md);
}

.leave-confirm-buttons {
    display: flex;
    gap: var(--space-sm);
}

.leave-confirm-btn-confirm {
    flex: 1;
    background: var(--color-danger);
    color: #fff;
    border: none;
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    min-height: var(--touch-min);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    font-weight: 600;
    cursor: pointer;
}

.leave-confirm-btn-cancel {
    flex: 1;
    background: transparent;
    color: var(--color-text-secondary);
    border: 1px solid var(--color-text-muted);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    min-height: var(--touch-min);
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    cursor: pointer;
}

/* === Settings Page === */

.settings-content {
    max-width: 480px;
    margin: 0 auto;
    padding: var(--space-xl) var(--space-md);
    padding-top: calc(var(--space-xl) + var(--touch-min));
}

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

.settings-section-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-xs);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.settings-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) 0;
}

.settings-row-label {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
}

.settings-hint {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-style: italic;
    margin-top: var(--space-xs);
}

.toggle-group {
    display: inline-flex;
    border: 1px solid var(--color-text-muted);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.toggle-option {
    padding: var(--space-xs) var(--space-md);
    min-height: var(--touch-min);
    min-width: 60px;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    cursor: pointer;
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
}

.toggle-option.active {
    background: var(--color-accent);
    color: var(--color-bg-primary);
    font-weight: 600;
}

.toggle-option.disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.settings-danger-btn {
    background: transparent;
    border: 1px solid var(--color-danger);
    color: var(--color-danger);
    border-radius: var(--radius-sm);
    padding: var(--space-xs) var(--space-md);
    min-height: var(--touch-min);
    font-family: var(--font-family);
    font-size: var(--font-size-sm);
    cursor: pointer;
    touch-action: manipulation;
}

.settings-danger-btn:hover {
    background: rgba(255, 77, 77, 0.1);
}

.settings-confirm-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 100;
}

.settings-confirm-dialog {
    background: var(--color-bg-secondary);
    border: 1px solid var(--color-text-muted);
    border-radius: var(--radius-md);
    padding: var(--space-lg);
    max-width: 320px;
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

.settings-confirm-dialog p {
    font-size: var(--font-size-base);
    color: var(--color-text-primary);
    margin: 0;
}

.settings-confirm-dialog .confirm-buttons {
    display: flex;
    gap: var(--space-sm);
}

.settings-about {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    line-height: 1.6;
}

.settings-about a {
    color: var(--color-accent);
    text-decoration: none;
}

.settings-about a:hover {
    text-decoration: underline;
}

/* === Global Navigation Bar === */
.global-nav {
    display: flex;
    justify-content: center;
    gap: var(--space-xl);
    padding: var(--space-sm) var(--space-md);
    background: var(--color-bg-secondary);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 30;
}

.global-nav-hidden {
    display: none;
}

.global-nav-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2px;
    text-decoration: none;
    color: var(--color-text-muted);
    font-size: var(--font-size-sm);
    min-width: var(--touch-min);
    min-height: var(--touch-min);
    justify-content: center;
    transition: color 0.2s ease;
}

.global-nav-item:hover,
.global-nav-item-active {
    color: var(--color-accent);
}

.global-nav-icon {
    font-size: 1.2rem;
}

.global-nav-label {
    font-size: 0.65rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Mobile: bottom bar with body padding */
@media (max-width: 767px) {
    body {
        padding-bottom: 60px;
    }
}

/* Desktop: top-right, compact */
@media (min-width: 768px) {
    .global-nav {
        position: fixed;
        top: 0;
        right: 0;
        bottom: auto;
        left: auto;
        background: transparent;
        border-top: none;
        gap: var(--space-md);
    }
}