/* 
 * GOGAR Web - Design System
 * Visual implementation of the Game of Giving and Asking for Reasons
 */

/* ==================== FONTS ==================== */
@font-face {
    font-family: 'Geist';
    src: url('fonts/Geist-Variable.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Geist Mono';
    src: url('fonts/GeistMono-Variable.woff2') format('woff2');
    font-weight: 100 900;
    font-style: normal;
    font-display: swap;
}

/* ==================== CSS VARIABLES ==================== */
:root {
    /* Color Palette - MIE Academic Light */
    --bg-primary: #f8f6f0;
    /* Ivory / Book Paper */
    --bg-secondary: rgba(255, 255, 255, 0.85);
    /* Frost glass over paper */
    --bg-tertiary: rgba(240, 237, 229, 0.9);

    --text-primary: #0f172a;
    /* Deep Navy */
    --text-secondary: #334155;
    --text-muted: #64748b;

    /* Semantic Colors - Academic & Muted */
    --commitment-color: #1e3a8a;
    /* Slate Blue */
    --commitment-bg: rgba(30, 58, 138, 0.08);
    --entitlement-color: #92400e;
    /* Ochre / Gold */
    --entitlement-bg: rgba(146, 64, 14, 0.08);
    --challenge-color: #991b1b;
    /* Brick Red */
    --challenge-bg: rgba(153, 27, 27, 0.08);
    --incompatibility-color: #3f3f46;
    /* Charcoal / Silver */
    --incompatibility-bg: rgba(63, 63, 70, 0.08);
    --inference-color: #0f172a;
    /* Navy */
    --inference-bg: rgba(15, 23, 42, 0.06);

    /* UI Colors */
    --border-color: rgba(15, 23, 42, 0.12);
    /* Subtle Navy border */
    --shadow-color: rgba(15, 23, 42, 0.06);
    --accent-color: #0f172a;
    /* Deep Navy Accent */
    --accent-hover: #1e293b;

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

    /* Typography */
    --font-sans: 'Geist', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'Geist Mono', 'Fira Code', monospace;

    /* Borders */
    --radius-sm: 4px;
    /* Sharper academic borders */
    --radius-md: 8px;
    --radius-lg: 12px;

    /* Transitions */
    --transition-fast: 150ms cubic-bezier(0.16, 1, 0.3, 1);
    --transition-normal: 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Dark Mode - Deep Navy Theme */
body.dark-mode {
    --bg-primary: #020617;
    /* Midnight */
    --bg-secondary: rgba(15, 23, 42, 0.8);
    --bg-tertiary: rgba(30, 41, 59, 0.85);

    --text-primary: #f8f6f0;
    /* Ivory Text */
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    --commitment-color: #60a5fa;
    /* Soft Blue */
    --commitment-bg: rgba(96, 165, 250, 0.12);
    --entitlement-color: #fbbf24;
    /* Soft Gold */
    --entitlement-bg: rgba(251, 191, 36, 0.12);
    --challenge-color: #f87171;
    /* Soft Crimson */
    --challenge-bg: rgba(248, 113, 113, 0.12);
    --incompatibility-color: #e2e8f0;
    /* Silver / Off-white */
    --incompatibility-bg: rgba(226, 232, 240, 0.12);
    --inference-color: #94a3b8;
    /* Slate */
    --inference-bg: rgba(148, 163, 184, 0.12);

    --border-color: rgba(248, 246, 240, 0.15);
    --shadow-color: rgba(0, 0, 0, 0.5);

    --accent-color: #f8f6f0;
    /* Ivory Accent */
    --accent-hover: #cbd5e1;
}

/* ==================== BASE STYLES ==================== */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-primary);
    background-image:
        linear-gradient(rgba(15, 23, 42, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(15, 23, 42, 0.02) 1px, transparent 1px);
    background-size: 40px 40px;
    background-attachment: fixed;
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    overflow-x: hidden;
    /* Geist Advanced Typography */
    font-feature-settings: "cv02", "cv03", "cv04", "cv11";
    /* Advanced Geist stylistic sets */
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body.dark-mode {
    background-image:
        linear-gradient(rgba(248, 246, 240, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(248, 246, 240, 0.03) 1px, transparent 1px);
}

/* ==================== LAYOUT ==================== */
.app-container {
    display: grid;
    grid-template-columns: 280px 1fr 320px;
    grid-template-rows: auto 1fr;
    min-height: 100vh;
    gap: var(--space-md);
}

.app-header {
    grid-column: 1 / -1;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-md) var(--space-lg);
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 4px 20px var(--shadow-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    z-index: 100;
}

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

.app-meta {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.app-subtitle {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-primary);
}

.app-authorship {
    font-size: 0.72rem;
    color: var(--text-muted);
    line-height: 1.35;
    max-width: 520px;
}

.app-title {
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    /* Tight tracking for headers */
    color: var(--text-primary);
}

.header-controls {
    display: flex;
    gap: var(--space-md);
    align-items: center;
    flex-wrap: wrap;
    justify-content: flex-end;
}

/* Left Panel - Agents & Controls */
.left-panel {
    background: var(--bg-secondary);
    border-right: 1px solid var(--border-color);
    padding: var(--space-lg);
    overflow-y: auto;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

/* Center Panel - Scoreboards */
.center-panel {
    padding: var(--space-lg);
    overflow-y: auto;
}

/* Right Panel - Turn Log & Actions */
.right-panel {
    background: var(--bg-secondary);
    border-left: 1px solid var(--border-color);
    padding: var(--space-lg);
    overflow-y: auto;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

/* ==================== COMPONENTS ==================== */

/* Cards */
.card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    box-shadow: 0 4px 12px var(--shadow-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

/* Panel Sections */
.panel-section {
    margin-bottom: var(--space-lg);
}

.panel-section h3 {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    /* Loose tracking for small caps */
    margin-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
    padding-bottom: var(--space-xs);
}

/* Agent Cards */
.agent-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
    margin-bottom: var(--space-sm);
    transition: transform var(--transition-fast);
}

.agent-card:hover {
    transform: translateX(4px);
}

.agent-name {
    font-weight: 600;
}

.agent-commitments {
    font-size: 0.875rem;
    color: var(--text-muted);
}

/* Scoreboard Cards */
.scoreboard-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-lg);
    margin-bottom: var(--space-md);
    box-shadow: 0 8px 24px var(--shadow-color);
    transition: all var(--transition-normal);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
}

.scoreboard-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 32px var(--shadow-color);
}

.scoreboard-card.self-score {
    border-left: 4px solid var(--accent-color);
}

.scoreboard-header {
    display: flex;
    gap: var(--space-sm);
    align-items: baseline;
    margin-bottom: var(--space-md);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.scorekeeper-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.target-label {
    font-size: 1.125rem;
    font-weight: 700;
    letter-spacing: -0.01em;
    color: var(--text-primary);
}

.scoreboard-section {
    margin-bottom: var(--space-md);
}

.scoreboard-section h4 {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--text-primary);
    text-transform: uppercase;
    letter-spacing: 0.12em;
    margin-bottom: var(--space-sm);
}

/* Tags */
.tags-container {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    font-variant-numeric: tabular-nums;
    /* Critical for scorekeeping lists */
}

.commitment-tag,
.entitlement-tag,
.incompatibility-tag,
.empty-tag {
    display: inline-block;
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
    animation: fadeIn var(--transition-normal);
}

.commitment-tag {
    background: var(--commitment-bg);
    color: var(--commitment-color);
    border: 1px solid var(--commitment-color);
}

.entitlement-tag {
    background: var(--entitlement-bg);
    color: var(--entitlement-color);
    border: 1px solid var(--entitlement-color);
}

.incompatibility-tag {
    background: var(--incompatibility-bg);
    color: var(--incompatibility-color);
    border: 1px solid var(--incompatibility-color);
}

.empty-tag {
    background: var(--bg-tertiary);
    color: var(--text-muted);
    font-style: italic;
}

/* Forms */
form {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

input,
select,
textarea {
    width: 100%;
    padding: var(--space-sm) var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-primary);
    color: var(--text-primary);
    font-family: inherit;
    font-size: 0.9rem;
    transition: border-color var(--transition-fast);
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    border-color: var(--commitment-color);
    box-shadow: 0 0 0 3px var(--commitment-bg);
}

/* Buttons */
button {
    padding: var(--space-sm) var(--space-md);
    background: var(--accent-color);
    color: var(--bg-primary);
    /* Use primary bg to contrast accent */
    border: none;
    border-radius: var(--radius-sm);
    font-family: inherit;
    font-size: 0.9rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
}

button:hover:not(:disabled) {
    background: var(--accent-hover);
    transform: translateY(-1px) scale(1.02);
    box-shadow: 0 4px 12px var(--shadow-color);
}

button:active:not(:disabled) {
    transform: translateY(0) scale(0.98);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

button.secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

button.secondary:hover:not(:disabled) {
    background: var(--border-color);
}

.header-btn {
    font-size: 0.8rem;
    padding: 6px 10px;
}

button.icon-btn {
    padding: var(--space-sm);
    background: transparent;
    color: var(--text-secondary);
    font-size: 1.25rem;
}

button.icon-btn:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

/* Tutorial Card / Structural Notes */
.tutorial-card {
    background: transparent;
    border: none;
    border-left: 2px solid var(--accent-color);
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-lg);
    animation: fadeIn var(--transition-normal);
}

.tutorial-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-sm);
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    border: none;
    padding: 0;
}

.tutorial-steps {
    list-style-position: inside;
    color: var(--text-secondary);
    counter-reset: tutorial-step;
    padding-left: 0;
}

.tutorial-steps li {
    margin-bottom: var(--space-xs);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* MIE Info / Educational Tooltips */
.mie-info {
    margin-bottom: var(--space-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
    transition: all var(--transition-normal);
}

.mie-info summary {
    padding: var(--space-sm);
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    transition: all var(--transition-fast);
    list-style: none;
    display: flex;
    align-items: center;
    gap: var(--space-sm);
}

.mie-info summary::-webkit-details-marker {
    display: none;
}

.mie-info summary::before {
    content: '';
    display: inline-block;
    width: 6px;
    height: 6px;
    border-right: 2px solid currentColor;
    border-bottom: 2px solid currentColor;
    transform: rotate(-45deg);
    transition: transform var(--transition-fast);
}

.mie-info[open] summary::before {
    transform: rotate(45deg);
}

.mie-info summary:hover {
    color: var(--accent-color);
    background: var(--commitment-bg);
}

.mie-info p {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.8rem;
    color: var(--text-secondary);
    line-height: 1.6;
    background: var(--bg-primary);
    animation: fadeIn var(--transition-normal);
}

.mie-info p strong {
    color: var(--inference-color);
}

.mie-info p em {
    color: var(--commitment-color);
    font-style: italic;
}

/* Concept Glossary */
.glossary-section .mie-info {
    border-left: 3px solid var(--accent-color);
}

.glossary-section .mie-info summary {
    font-weight: 600;
    color: var(--text-secondary);
}

/* Suggested Moves */
.suggested-moves-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: 3px solid var(--entitlement-color);
    border-radius: var(--radius-sm);
    padding: var(--space-md);
    margin-bottom: var(--space-lg);
    animation: fadeIn var(--transition-normal);
}

.suggested-moves-card h3 {
    color: var(--text-primary);
    margin-bottom: var(--space-xs);
    border: none;
    padding: 0;
}

.suggested-hint {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.suggested-moves-list {
    display: flex;
    flex-direction: column;
    gap: var(--space-xs);
}

.suggested-move-btn {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-secondary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-align: left;
    font-size: 0.85rem;
    font-weight: 500;
    transition: all var(--transition-fast);
}

.suggested-move-btn:hover:not(:disabled) {
    background: var(--entitlement-bg);
    border-color: var(--entitlement-color);
    box-shadow: none;
    transform: translateX(2px);
}

.suggested-move-btn.completed {
    background: var(--bg-tertiary);
    opacity: 0.6;
    cursor: default;
}

.suggested-move-btn.completed .move-label {
    text-decoration: line-through;
}

.move-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 22px;
    height: 22px;
    border-radius: 50%;
    background: var(--entitlement-color);
    color: white;
    font-size: 0.7rem;
    font-weight: 700;
    flex-shrink: 0;
}

.completed .move-number {
    background: var(--text-muted);
}

.move-check {
    margin-left: auto;
    color: var(--entitlement-color);
    font-weight: 700;
}

/* Avowed vs Inferred Commitment Tags */
.commitment-tag.avowed {
    background: var(--commitment-bg);
    color: var(--commitment-color);
    border: 1px solid var(--commitment-color);
    font-weight: 600;
}

.commitment-tag.inferred {
    background: var(--inference-bg);
    color: var(--inference-color);
    border: 1px dashed var(--inference-color);
    font-style: italic;
    font-weight: 400;
}

/* Learning Objectives */
.learning-objectives {
    background: var(--commitment-bg);
    border: 1px solid var(--commitment-color);
    border-radius: var(--radius-sm);
    padding: var(--space-sm) var(--space-md);
    margin-bottom: var(--space-md);
}

.learning-objectives h4 {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--commitment-color);
    margin: 0 0 var(--space-xs) 0;
}

.learning-objectives ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.learning-objectives li {
    font-size: 0.82rem;
    color: var(--text-secondary);
    padding: 2px 0 2px 16px;
    position: relative;
}

.learning-objectives li::before {
    content: '\25C6';
    position: absolute;
    left: 0;
    color: var(--commitment-color);
    font-size: 0.55rem;
    top: 5px;
}

/* Challenge Tracker */
.challenge-item {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.82rem;
    margin-bottom: 4px;
    border-left: 3px solid var(--border-color);
}

.challenge-item.challenge-pending {
    border-left-color: var(--challenge-color);
    background: var(--challenge-bg);
}

.challenge-item.challenge-vindicated {
    border-left-color: var(--commitment-color);
    background: var(--commitment-bg);
}

.challenge-item.challenge-abandoned {
    border-left-color: var(--text-muted);
    opacity: 0.6;
}

.challenge-agents {
    font-weight: 600;
    white-space: nowrap;
}

.challenge-sentence {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.challenge-status-badge {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    padding: 2px 6px;
    border-radius: var(--radius-sm);
    white-space: nowrap;
}

.challenge-status-badge.pending {
    color: var(--challenge-color);
    background: var(--challenge-bg);
}

.challenge-status-badge.vindicated {
    color: var(--commitment-color);
    background: var(--commitment-bg);
}

.challenge-status-badge.abandoned {
    color: var(--text-muted);
}

/* Compare Views */
.compare-views-bar {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-md);
    padding: var(--space-sm) var(--space-md);
    background: var(--bg-tertiary, var(--bg-secondary));
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
}

.compare-views-btn.active {
    background: var(--primary);
    color: white;
}

.compare-select {
    width: auto;
    min-width: 90px;
    font-size: 0.82rem;
}

.compare-vs {
    font-size: 0.78rem;
    color: var(--text-muted);
    font-style: italic;
}

.compare-mode-container {
    display: flex;
    gap: var(--space-md);
}

.scoreboard-card.compare-card {
    flex: 1;
    min-width: 0;
}

.commitment-tag.divergent,
.entitlement-tag.divergent {
    outline: 2px solid var(--primary);
    outline-offset: 1px;
}

/* Entitlement Timeline */
.entitlement-timeline-details {
    margin-top: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
}

.entitlement-timeline-details summary {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    cursor: pointer;
    background: var(--bg-tertiary, var(--bg-secondary));
}

.timeline-entry {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 3px var(--space-sm);
    font-size: 0.78rem;
    border-bottom: 1px solid var(--border-color);
}

.timeline-entry:last-child {
    border-bottom: none;
}

.timeline-icon {
    font-weight: 700;
    width: 16px;
    text-align: center;
}

.timeline-gained .timeline-icon {
    color: var(--entitlement-color);
}

.timeline-lost .timeline-icon {
    color: var(--challenge-color);
}

.timeline-agent {
    font-weight: 600;
    white-space: nowrap;
}

.timeline-sentence {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.timeline-source {
    font-size: 0.7rem;
    color: var(--text-muted);
    white-space: nowrap;
}

/* Logical Vocabulary (Ch. 5) */
.logical-preview {
    font-style: italic;
    color: var(--primary);
    font-size: 0.85rem;
    padding: 4px 8px;
    margin: 4px 0;
    min-height: 1.2em;
}

.commitment-tag.logical-conditional {
    border-color: var(--primary);
    border-style: double;
    border-width: 3px;
}

.commitment-tag.logical-negation {
    border-color: var(--challenge-color);
    border-style: double;
    border-width: 3px;
}

/* MIE Reference */
.mie-ref {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: 0 0 var(--space-sm) 0;
    padding-left: var(--space-sm);
    border-left: 2px solid var(--primary);
}

/* Form field help text */
.field-help {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin: var(--space-xs) 0;
    line-height: 1.4;
}

/* Scoreboard Legend */
.scoreboard-legend {
    margin-bottom: var(--space-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    overflow: hidden;
}

.scoreboard-legend summary {
    padding: var(--space-sm) var(--space-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--text-muted);
    cursor: pointer;
    background: var(--bg-tertiary, var(--bg-secondary));
}

.legend-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4px var(--space-md);
    padding: var(--space-sm) var(--space-md);
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.legend-section-label {
    font-weight: 700;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-muted);
    padding-top: var(--space-xs);
}

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

.legend-prefix {
    font-size: 0.7rem;
    padding: 1px 4px;
    flex-shrink: 0;
    display: inline-block;
}

/* Provenance sub-types for commitment tags */
.commitment-tag.substitution {
    border-color: var(--inference-color);
    border-style: dotted;
}
.commitment-tag.anaphora {
    border-color: var(--inference-color);
    border-style: double;
}
.commitment-tag.ascription {
    border-color: var(--entitlement-color);
    border-style: dashed;
}

/* Provenance sub-types for entitlement tags */
.entitlement-tag.testimony {
    border-style: dotted;
}
.entitlement-tag.observation {
    font-weight: 600;
}
.entitlement-tag.knowledge {
    border-color: #c4a47a;
}
.entitlement-tag.permissive_inference {
    font-style: italic;
}

/* Challenge status indicators */
.entitlement-tag.entitlement-challenged {
    border: 2px dashed var(--challenge-color);
    position: relative;
}

.entitlement-tag.entitlement-challenged::after {
    content: ' \26A0';
    font-size: 0.7rem;
}

.entitlement-tag.lost {
    background: var(--challenge-bg);
    color: var(--challenge-color);
    border: 1px dashed var(--challenge-color);
    opacity: 0.7;
    text-decoration: line-through;
}

.entitlement-tag.entitlement-lost {
    background: var(--challenge-bg);
    color: var(--challenge-color);
    border: 1px dashed var(--challenge-color);
    text-decoration: line-through;
    opacity: 0.6;
    animation: fadeOutLost 3s ease-out forwards;
}

@keyframes fadeOutLost {
    0% { opacity: 0.7; }
    70% { opacity: 0.4; }
    100% { opacity: 0; height: 0; padding: 0; margin: 0; overflow: hidden; }
}

/* ======== Derivation Inspector ======== */

/* Traceable tags: clickable score items */
.traceable {
    cursor: pointer;
    transition: all var(--transition-fast);
    position: relative;
}

.traceable:hover {
    box-shadow: 0 0 0 2px rgba(47, 95, 147, 0.25), 0 0 10px rgba(47, 95, 147, 0.15);
    transform: translateY(-1px);
}

.scoreboard-trace-hint {
    text-align: center;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: var(--space-sm);
    font-style: italic;
}

.traceable.trace-active {
    box-shadow: 0 0 0 3px var(--accent-color);
    z-index: 10;
}

/* Derivation Popover */
.derivation-popover {
    position: absolute;
    z-index: 2000;
    min-width: 280px;
    max-width: 420px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.18), 0 4px 12px rgba(0, 0, 0, 0.1);
    padding: var(--space-md);
    animation: popoverIn 180ms ease-out;
    backdrop-filter: blur(8px);
}

@keyframes popoverIn {
    from {
        opacity: 0;
        transform: translateY(4px) scale(0.97);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.derivation-popover-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
    padding-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.derivation-popover-header strong {
    font-size: 0.9rem;
    color: var(--text-primary);
    word-break: break-word;
}

.derivation-close {
    flex-shrink: 0;
    padding: 2px 6px !important;
    background: transparent !important;
    color: var(--text-muted) !important;
    font-size: 0.85rem;
    border: none;
    cursor: pointer;
    border-radius: var(--radius-sm);
    line-height: 1;
}

.derivation-close:hover {
    background: var(--bg-tertiary) !important;
    color: var(--text-primary) !important;
}

.derivation-source {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--inference-color);
    margin-bottom: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    background: var(--inference-bg);
    border-radius: var(--radius-sm);
}

.derivation-label {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.04em;
    margin-right: var(--space-xs);
}

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

.derivation-premise-tag {
    display: inline-block;
    padding: 2px var(--space-sm);
    background: var(--commitment-bg);
    color: var(--commitment-color);
    border: 1px solid var(--commitment-color);
    border-radius: var(--radius-sm);
    font-size: 0.8rem;
    font-weight: 500;
}

.derivation-rule {
    margin-bottom: var(--space-sm);
    display: flex;
    align-items: baseline;
    gap: var(--space-xs);
}

.derivation-rule-text {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-secondary);
    padding: 2px var(--space-sm);
    background: var(--bg-tertiary);
    border-radius: var(--radius-sm);
}

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

.deferral-chain {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
    padding-left: 0.75rem;
    border-left: 2px solid var(--entitlement-color);
}

/* Scoreboard slide-in */
.scoreboard-card {
    animation: slideInCard var(--transition-normal) ease-out;
}

/* Incompatibility pulse */
.scoreboard-section.incompatibilities .incompatibility-tag {
    animation: none;
}

@keyframes slideInCard {
    from {
        opacity: 0;
        transform: translateY(12px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulseIncompat {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.3);
    }

    50% {
        box-shadow: 0 0 8px 2px rgba(245, 158, 11, 0.15);
    }
}

/* Turn Log */
#turn-log {
    max-height: 200px;
    overflow-y: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: var(--space-sm);
    background: var(--bg-primary);
}

.turn-entry {
    display: grid;
    grid-template-columns: auto auto 1fr;
    gap: var(--space-sm);
    padding: var(--space-xs) var(--space-sm);
    border-radius: var(--radius-sm);
    font-size: 0.85rem;
    margin-bottom: var(--space-xs);
    animation: slideIn var(--transition-normal);
}

.turn-entry.assertion {
    background: var(--commitment-bg);
}

.turn-entry.challenge {
    background: var(--challenge-bg);
}

.turn-entry.disavowal {
    background: var(--incompatibility-bg);
}

.turn-number {
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-size: 0.75rem;
}

.turn-agent {
    font-weight: 600;
}

.turn-action {
    color: var(--text-muted);
    font-size: 0.75rem;
}

.turn-content {
    grid-column: 1 / -1;
    color: var(--text-secondary);
    font-style: italic;
}

/* Transcript */
.transcript-entry {
    padding: var(--space-sm);
    margin-bottom: var(--space-xs);
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
}

.transcript-entry.assertion {
    background: var(--commitment-bg);
    border-left: 3px solid var(--commitment-color);
}

.transcript-entry.challenge {
    background: var(--challenge-bg);
    border-left: 3px solid var(--challenge-color);
}

/* Messages */
#message-container {
    position: fixed;
    bottom: var(--space-xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    width: 90vw;
    max-width: 400px;
    pointer-events: none;
}

@media (max-width: 768px) {
    #message-container {
        bottom: var(--space-md);
        flex-direction: column-reverse;
        /* Stack new messages on top on mobile */
    }
}

.message {
    padding: var(--space-md);
    padding-right: 32px;
    /* Make room for close button */
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    box-shadow: 0 4px 16px var(--shadow-color);
    width: 100%;
    box-sizing: border-box;
    pointer-events: auto;
    animation: slideIn var(--transition-normal);
    position: relative;
    /* For absolute close button */
}

.message-close {
    position: absolute;
    top: 8px;
    right: 8px;
    background: transparent;
    border: none;
    color: var(--text-muted);
    font-size: 1.2rem;
    cursor: pointer;
    line-height: 1;
    padding: 4px;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
}

.message-close:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.message strong {
    display: block;
    margin-bottom: var(--space-xs);
    font-weight: 600;
}

.message.assertion {
    border-left: 4px solid var(--commitment-color);
}

.message.challenge {
    border-left: 4px solid var(--challenge-color);
}

.message.error {
    border-left: 4px solid var(--challenge-color);
    background: var(--challenge-bg);
}

.message.info {
    border-left: 4px solid var(--accent-color);
}

.message.warning {
    border-left: 4px solid var(--entitlement-color);
    background: var(--bg-primary);
    /* Use primary bg to make it fully opaque and readable */
    /* Add a subtle gold tint */
    box-shadow: inset 0 0 0 100vmax var(--entitlement-bg), 0 4px 16px var(--shadow-color);
}

.message.fade-out {
    animation: fadeOut var(--transition-normal) forwards;
}

/* Empty States */
.empty-state {
    color: var(--text-muted);
    font-style: italic;
    text-align: center;
    padding: var(--space-lg);
}

/* ==================== ANIMATIONS ==================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(20px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeOut {
    from {
        opacity: 1;
    }

    to {
        opacity: 0;
        transform: translateY(-10px);
    }
}

@keyframes pulseCommitment {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(59, 130, 246, 0.4);
    }

    50% {
        box-shadow: 0 0 0 8px rgba(59, 130, 246, 0);
    }
}

@keyframes pulseChallenge {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
    }

    50% {
        box-shadow: 0 0 0 8px rgba(239, 68, 68, 0);
    }
}

/* Animation classes for dynamic effects */
.new-commitment {
    animation: pulseCommitment 0.6s ease-out;
}

.challenged {
    animation: pulseChallenge 0.6s ease-out;
}

/* ==================== CHAPTER NAVIGATOR ==================== */
.scenario-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    max-width: 200px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.profile-badge {
    font-size: 0.75rem;
    color: var(--text-secondary);
    background: var(--bg-tertiary);
    border: 1px solid var(--border-color);
    border-radius: 999px;
    padding: 3px 10px;
}

.protocol-section textarea {
    min-height: 120px;
    resize: vertical;
    font-family: var(--font-mono);
    font-size: 0.8rem;
}

.protocol-actions {
    display: flex;
    gap: var(--space-sm);
    margin-bottom: var(--space-sm);
}

.protocol-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
    line-height: 1.4;
}

.chapter-nav-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding-top: 60px;
    z-index: 9999;
    animation: fadeIn 0.15s ease-out;
}

.chapter-nav-panel {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 24px;
    max-width: 520px;
    width: 90vw;
    max-height: 75vh;
    overflow-y: auto;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.chapter-nav-panel h3 {
    margin: 0 0 16px 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.chapter-group {
    margin-bottom: 16px;
}

.chapter-group:last-child {
    margin-bottom: 0;
}

.chapter-title {
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--text-muted, var(--text-secondary));
    padding: 4px 8px;
    margin-bottom: 4px;
}

.chapter-scenario-btn {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    width: 100%;
    padding: 10px 12px;
    margin-bottom: 2px;
    border: 1px solid transparent;
    border-radius: 8px;
    background: transparent;
    cursor: pointer;
    text-align: left;
    transition: all 0.15s ease;
    font-family: inherit;
    color: var(--text-primary);
}

.chapter-scenario-btn:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-color);
}

.chapter-scenario-btn.active {
    background: var(--accent-bg, rgba(99, 102, 241, 0.1));
    border-color: var(--accent, #6366f1);
}

.chapter-scenario-btn .scenario-name {
    font-size: 0.9rem;
    font-weight: 600;
    line-height: 1.3;
}

.chapter-scenario-btn .scenario-desc {
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.4;
    margin-top: 2px;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 1200px) {
    .app-container {
        grid-template-columns: 240px 1fr 280px;
    }
}

@media (max-width: 900px) {
    .app-container {
        grid-template-columns: 1fr;
        grid-template-rows: auto auto auto 1fr;
    }

    .app-header {
        align-items: flex-start;
        gap: var(--space-sm);
        flex-direction: column;
    }

    .header-controls {
        width: 100%;
        justify-content: flex-start;
    }

    .left-panel,
    .right-panel {
        border: none;
        border-bottom: 1px solid var(--border-color);
    }
}
/* ==================== ACTION PALETTE (tabbed moves) ==================== */
.action-palette h3 {
    margin-bottom: var(--space-sm);
}

.action-tabs {
    display: flex;
    gap: 2px;
    margin-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.action-tab {
    flex: 1;
    padding: 6px 4px;
    font-size: 0.78rem;
    font-weight: 600;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: var(--radius-sm) var(--radius-sm) 0 0;
    transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
    position: relative;
}

.action-tab:hover {
    color: var(--text-primary);
    background: var(--bg-tertiary);
}

.action-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-color);
}

/* Dot marker: the tab the current scenario teaches */
.action-tab.scenario-relevant::after {
    content: '';
    position: absolute;
    top: 4px;
    right: 6px;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--entitlement-color);
}

.action-panel {
    display: none;
}

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

.panel-subsection {
    margin-bottom: var(--space-lg);
    padding-bottom: var(--space-sm);
}

.panel-subsection h4 {
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
}

/* ==================== HISTORY TABS ==================== */
.history-tabs {
    display: flex;
    gap: 2px;
    margin-bottom: var(--space-sm);
    border-bottom: 1px solid var(--border-color);
}

.history-tab {
    flex: 1;
    padding: 5px 4px;
    font-size: 0.75rem;
    font-weight: 600;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.history-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-color);
}

.history-panel {
    display: none;
}

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

/* ==================== LAST MOVE PANEL ==================== */
.lastmove-card {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-color);
    border-radius: var(--radius-md);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    box-shadow: 0 4px 12px var(--shadow-color);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    animation: lastmove-in 300ms cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes lastmove-in {
    from { opacity: 0.4; transform: translateY(-4px); }
    to { opacity: 1; transform: translateY(0); }
}

.lastmove-header {
    display: flex;
    align-items: baseline;
    gap: var(--space-md);
    flex-wrap: wrap;
}

.lastmove-header h3 {
    font-size: 0.9rem;
    margin: 0;
}

.lastmove-move {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.lastmove-subtitle {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin: 2px 0 var(--space-sm) 0;
}

.lastmove-agent {
    margin-top: var(--space-sm);
    padding-top: var(--space-xs);
    border-top: 1px dashed var(--border-color);
}

.lastmove-agent-name {
    font-weight: 700;
    font-size: 0.8rem;
}

.lastmove-row {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: 4px;
    margin: 3px 0;
}

.lastmove-label {
    font-size: 0.72rem;
    font-weight: 600;
    color: var(--text-muted);
    min-width: 150px;
}

.lastmove-row.gained .lastmove-label { color: var(--commitment-color); }
.lastmove-row.lost .lastmove-label { color: var(--challenge-color); }

.lastmove-tag {
    font-family: var(--font-mono);
    font-size: 0.72rem;
    padding: 1px 7px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
}

.lastmove-tag.commitment { color: var(--commitment-color); background: var(--commitment-bg); }
.lastmove-tag.entitlement { color: var(--entitlement-color); background: var(--entitlement-bg); }
.lastmove-tag.lost { color: var(--challenge-color); background: var(--challenge-bg); text-decoration: line-through; }
.lastmove-tag.incompatibility { color: var(--incompatibility-color); background: var(--incompatibility-bg); }

.lastmove-source {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ==================== WELCOME MODAL ==================== */
.welcome-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
}

.welcome-panel {
    background: var(--bg-primary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--space-xl);
    max-width: 520px;
    width: 92%;
    text-align: center;
    box-shadow: 0 20px 60px var(--shadow-color);
}

.welcome-logo {
    height: 64px;
    margin-bottom: var(--space-md);
}

.welcome-panel h2 {
    margin-bottom: var(--space-sm);
}

.welcome-panel p {
    color: var(--text-secondary);
    font-size: 0.92rem;
    margin-bottom: var(--space-lg);
}

.welcome-lang-row {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
    font-size: 0.85rem;
    color: var(--text-muted);
}

.welcome-lang-btn {
    padding: 4px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-secondary);
    color: var(--text-primary);
    cursor: pointer;
    font-size: 0.85rem;
}

.welcome-lang-btn.active {
    border-color: var(--accent-color);
    font-weight: 700;
}

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

.welcome-actions button {
    padding: 10px 20px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 600;
    border: 1px solid var(--border-color);
}

.welcome-actions .primary {
    background: var(--accent-color);
    color: var(--bg-primary);
    border: none;
}

.welcome-actions .secondary {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

/* ==================== PROTOCOL (collapsed) ==================== */
.protocol-summary {
    cursor: pointer;
    font-weight: 700;
    font-size: 0.9rem;
}

/* Challenge type badge (empirical / semantic) */
.challenge-type-badge {
    font-family: var(--font-mono);
    font-size: 0.62rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1px 6px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    cursor: help;
}

.challenge-type-badge.empirical {
    color: var(--entitlement-color);
    background: var(--entitlement-bg);
}

.challenge-type-badge.semantic {
    color: var(--commitment-color);
    background: var(--commitment-bg);
}

/* ==================== CENTER VIEW SWITCHER ==================== */
.view-switcher {
    display: flex;
    gap: 2px;
    margin-bottom: var(--space-md);
    border-bottom: 1px solid var(--border-color);
}

.view-tab {
    padding: 6px 16px;
    font-size: 0.85rem;
    font-weight: 700;
    background: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-muted);
    cursor: pointer;
    transition: color var(--transition-fast), border-color var(--transition-fast);
}

.view-tab:hover {
    color: var(--text-primary);
}

.view-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--accent-color);
}

/* ==================== INFERENCE GRAPH ==================== */
.graph-controls {
    display: flex;
    gap: var(--space-lg);
    flex-wrap: wrap;
    margin-bottom: var(--space-md);
}

.graph-controls label {
    display: flex;
    flex-direction: column;
    gap: 4px;
    font-size: 0.78rem;
    color: var(--text-secondary);
}

.graph-scroll {
    overflow: auto;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    max-height: 70vh;
}

.inference-graph {
    display: block;
    min-width: 100%;
}

.graph-node rect {
    fill: var(--bg-tertiary);
    stroke: var(--border-color);
    stroke-width: 1;
}

.graph-node.committed rect {
    fill: var(--commitment-bg);
    stroke: var(--commitment-color);
    stroke-width: 1.5;
}

.graph-node.entitled rect {
    fill: var(--entitlement-bg);
    stroke: var(--entitlement-color);
    stroke-width: 1.5;
}

.graph-node.both rect {
    fill: var(--commitment-bg);
    stroke: var(--entitlement-color);
    stroke-width: 2.5;
}

.graph-node text {
    fill: var(--text-primary);
    font-family: var(--font-mono);
    font-size: 11px;
    text-anchor: middle;
}

.graph-node.neutral text {
    fill: var(--text-muted);
}

.graph-edge {
    fill: none;
    stroke-width: 1.6;
}

.graph-edge.committive {
    stroke: var(--inference-color);
}

.graph-edge.permissive {
    stroke: var(--inference-color);
    stroke-dasharray: 6 4;
    opacity: 0.8;
}

.graph-edge.incompatible {
    stroke: var(--challenge-color);
    stroke-dasharray: 3 3;
    stroke-width: 1.4;
}

.graph-arrow-comm {
    fill: var(--inference-color);
}

.graph-arrow-perm {
    fill: var(--inference-color);
    opacity: 0.8;
}

.graph-incompat-mark {
    fill: var(--challenge-color);
    font-size: 13px;
    font-weight: 700;
    text-anchor: middle;
}

.graph-legend {
    display: flex;
    gap: var(--space-md);
    flex-wrap: wrap;
    margin-top: var(--space-sm);
    font-size: 0.72rem;
    color: var(--text-secondary);
    align-items: center;
}

.graph-legend-item {
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.graph-swatch {
    display: inline-block;
    width: 14px;
    height: 10px;
    border-radius: 3px;
    border: 1.5px solid var(--border-color);
    background: var(--bg-tertiary);
}

.graph-swatch.committed { background: var(--commitment-bg); border-color: var(--commitment-color); }
.graph-swatch.entitled { background: var(--entitlement-bg); border-color: var(--entitlement-color); }
.graph-swatch.both { background: var(--commitment-bg); border-color: var(--entitlement-color); border-width: 2.5px; }

.graph-hint {
    margin-top: var(--space-sm);
    font-size: 0.72rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ==================== REPLAY BAR ==================== */
.replay-bar {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-bottom: var(--space-sm);
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    background: var(--bg-tertiary);
}

.replay-bar input[type="range"] {
    flex: 1;
    min-width: 60px;
    accent-color: var(--accent-color);
}

.replay-btn {
    padding: 2px 8px;
    font-size: 0.7rem;
    line-height: 1.4;
}

.replay-pos {
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--text-muted);
    min-width: 42px;
    text-align: center;
}

.replay-pos.replaying {
    color: var(--challenge-color);
    font-weight: 700;
}

.replay-exit {
    color: var(--challenge-color);
    font-weight: 700;
}

/* Freeze move-making surfaces while browsing the past */
body.replaying .action-palette,
body.replaying #suggested-moves-container,
body.replaying #add-agent-form,
body.replaying #scoring-profile-select,
body.replaying .protocol-section {
    opacity: 0.45;
    pointer-events: none;
}

/* ==================== PREDICT MODE ==================== */
.predict-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-bottom: var(--space-sm);
    cursor: pointer;
}

.predict-tally {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.7rem;
    color: var(--entitlement-color);
    font-weight: 700;
}

.predict-panel p {
    font-size: 1rem;
    line-height: 1.5;
}

/* ==================== ACHIEVEMENTS PANEL ==================== */
.achievements-list {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-top: var(--space-md);
}

.tier-section {
    display: flex;
    flex-direction: column;
    gap: 4px;
    margin-bottom: var(--space-sm);
}

.achievement {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-sm);
    padding: 6px 10px;
    background: var(--bg-tertiary);
}

.achievement .ach-row {
    display: flex;
    align-items: center;
    gap: 8px;
}

.achievement.locked {
    opacity: 0.45;
}

.achievement.expandable {
    cursor: pointer;
    transition: background var(--transition-fast), border-color var(--transition-fast);
}

.achievement.expandable:hover,
.achievement.expandable:focus-visible {
    background: var(--bg-secondary);
    border-color: var(--accent-color);
    outline: none;
}

.ach-tier-indicator {
    display: inline-block;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 1px solid var(--border-color);
}

.ach-name {
    font-size: 0.85rem;
    font-weight: 600;
}

.ach-icon {
    margin-left: auto;
    font-family: var(--font-mono);
    font-size: 0.85rem;
    opacity: 0.85;
}

.ach-chevron {
    color: var(--text-muted);
    font-size: 0.75rem;
    transition: transform var(--transition-fast);
}

.achievement.expanded .ach-chevron {
    transform: rotate(90deg);
}

.achievement .ach-desc {
    display: none;
    margin-top: 6px;
    padding-top: 6px;
    border-top: 1px dashed var(--border-color);
    font-size: 0.78rem;
    color: var(--text-secondary);
    line-height: 1.45;
}

.achievement.expanded .ach-desc {
    display: block;
}

/* Tier color tokens used by the panel indicators */
:root {
    --color-bronze: #b08d57;
    --color-silver: #9aa5b1;
    --color-gold: #d4a72c;
    --color-platinum: #7dd3fc;
    --color-diamond: #a78bfa;
}