/* Demo page - minimal chrome, no nav */
.demo-page {
    min-height: 100vh;
    background: var(--bg-primary, #FAF7F2);
    margin: 0;
    padding: 0;
    font-family: 'Inter', sans-serif;
}

#demo-app {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    box-sizing: border-box;
}

.demo-step {
    display: none;
    width: 100%;
    max-width: 480px;
    text-align: center;
    animation: demoFadeIn 0.3s ease;
}

.demo-step#demo-step-results {
    max-width: 640px;
}

.demo-step#demo-step-hub {
    max-width: 520px;
}

.demo-step.active {
    display: block;
}

@keyframes demoFadeIn {
    from { opacity: 0; transform: translateY(8px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Step 1: Landing */
.demo-landing-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 24px;
}

.demo-badge {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--accent-primary, #7FA89A);
    margin: 0 0 8px 0;
}

.demo-hero-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--text-primary, #1a1a1a);
    margin: 0 0 8px 0;
}

.demo-lead {
    font-size: 1rem;
    line-height: 1.55;
    color: var(--text-secondary, #444);
    margin: 0 0 8px 0;
    text-align: left;
    max-width: 36rem;
}

.demo-lead strong {
    color: var(--text-primary, #1a1a1a);
}

.demo-cta-primary {
    padding: 14px 32px;
    font-size: 1.1rem;
    font-weight: 600;
    border: none;
    border-radius: 12px;
    background: var(--accent-primary, #7FA89A);
    color: white;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: transform 0.15s, box-shadow 0.15s;
}

.demo-cta-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(127, 168, 154, 0.4);
}

.demo-cta-secondary {
    font-size: 0.9rem;
    color: var(--text-secondary, #666);
    margin: 0;
}

/* Step 2: Session */
.demo-session-inner,
.demo-results-inner,
.demo-xp-inner,
.demo-progress-inner,
.demo-hub-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.demo-step-title {
    font-size: 1.35rem;
    font-weight: 600;
    margin: 0 0 8px 0;
    color: var(--text-primary, #1a1a1a);
}

.demo-hint {
    font-size: 0.9rem;
    color: var(--text-secondary, #666);
    margin: 0 0 12px 0;
    text-align: center;
}

.demo-upload-note {
    font-size: 0.85rem;
    color: var(--text-secondary, #666);
    margin: 0 0 8px 0;
    line-height: 1.45;
    text-align: center;
    max-width: 28rem;
}

.demo-task-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.demo-task-btn {
    padding: 10px 20px;
    border: 2px solid var(--border-color, #ddd);
    border-radius: 10px;
    background: var(--bg-card, white);
    color: var(--text-primary, #1a1a1a);
    font-size: 1rem;
    cursor: pointer;
    transition: border-color 0.2s, background 0.2s;
}

.demo-task-btn.selected,
.demo-task-btn:hover {
    border-color: var(--accent-primary, #7FA89A);
    background: rgba(127, 168, 154, 0.1);
}

/* Analyzing */
.demo-analyzing-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.demo-loader-spinner {
    width: 48px;
    height: 48px;
    border: 4px solid var(--border-color, #ddd);
    border-top-color: var(--accent-primary, #7FA89A);
    border-radius: 50%;
    animation: demoSpin 0.9s linear infinite;
}

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

.demo-loader-text {
    font-size: 1.1rem;
    color: var(--text-secondary, #666);
    margin: 0;
}

.demo-loader-sub {
    font-size: 0.85rem;
    color: var(--text-secondary, #888);
    margin: 0;
    max-width: 22rem;
    line-height: 1.4;
    text-align: center;
}

/* Results — aligned with real score breakdown */
.demo-results-inner.demo-results-wide {
    text-align: left;
    align-items: stretch;
    width: 100%;
}

.demo-results-wide .demo-cta-primary {
    align-self: center;
    margin-top: 12px;
}

.demo-results-caption {
    font-size: 0.8rem;
    color: var(--text-secondary, #666);
    margin: 0 0 16px 0;
    line-height: 1.4;
}

.demo-results-caption code {
    font-size: 0.78em;
    background: rgba(127, 168, 154, 0.15);
    padding: 2px 6px;
    border-radius: 4px;
}

.demo-overall-block {
    text-align: center;
    padding: 20px 16px;
    background: var(--bg-card, white);
    border: 1px solid var(--border-color, #eee);
    border-radius: 16px;
    margin-bottom: 16px;
}

.demo-overall-value {
    font-size: clamp(2.75rem, 8vw, 3.5rem);
    font-weight: 800;
    color: var(--accent-primary, #7FA89A);
    display: block;
    line-height: 1;
}

.demo-overall-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-primary, #1a1a1a);
    margin-top: 8px;
}

.demo-overall-sub {
    font-size: 0.9rem;
    color: var(--text-secondary, #888);
    margin-left: 4px;
}

.demo-score-trio {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-bottom: 16px;
}

.demo-score-pill {
    padding: 12px 14px;
    background: var(--bg-card, white);
    border: 1px solid var(--border-color, #eee);
    border-radius: 12px;
}

.demo-score-pill-label {
    display: block;
    font-size: 0.7rem;
    text-transform: uppercase;
    letter-spacing: 0.06em;
    color: var(--text-secondary, #888);
    margin-bottom: 4px;
}

.demo-score-pill-val {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-primary, #1a1a1a);
}

.demo-mini-track {
    height: 6px;
    background: var(--border-color, #eee);
    border-radius: 4px;
    margin-top: 8px;
    overflow: hidden;
}

.demo-mini-fill {
    height: 100%;
    width: 0;
    background: var(--accent-primary, #7FA89A);
    border-radius: 4px;
    transition: width 0.5s ease;
}

.demo-meta-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 8px;
    margin-bottom: 16px;
    font-size: 0.8rem;
}

@media (max-width: 520px) {
    .demo-meta-grid {
        grid-template-columns: 1fr;
    }
}

.demo-meta-cell {
    padding: 10px 12px;
    background: rgba(127, 168, 154, 0.08);
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.demo-meta-k {
    color: var(--text-secondary, #666);
    font-size: 0.72rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.demo-meta-v {
    font-weight: 700;
    color: var(--text-primary, #1a1a1a);
}

.demo-frame-strip {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.demo-frame-thumb {
    width: 48px;
    height: 36px;
    border-radius: 6px;
    background: linear-gradient(135deg, #e8e8e8, #d0d0d0);
    border: 1px solid var(--border-color, #ddd);
}

.demo-frame-strip-label {
    font-size: 0.75rem;
    color: var(--text-secondary, #888);
    width: 100%;
    margin-top: 4px;
}

.demo-analysis {
    font-size: 0.95rem;
    line-height: 1.5;
    color: var(--text-primary, #333);
    margin: 0 0 12px 0;
}

.demo-adjustments {
    margin-bottom: 8px;
}

.demo-adj-line {
    font-size: 0.85rem;
    margin: 0 0 6px 0;
    color: #b45309;
}

.demo-adj-bonus {
    color: #15803d;
}

/* XP */
.demo-xp-earned {
    font-size: 2rem;
    font-weight: 700;
    color: var(--accent-primary, #7FA89A);
}

.demo-level-bar-wrap {
    width: 100%;
    max-width: 280px;
    height: 12px;
    background: var(--border-color, #eee);
    border-radius: 6px;
    overflow: hidden;
}

.demo-level-bar-fill {
    height: 100%;
    width: 0;
    background: var(--accent-primary, #7FA89A);
    border-radius: 6px;
    transition: width 0.6s ease;
}

.demo-unlock {
    font-size: 1rem;
    color: var(--text-primary, #1a1a1a);
    margin: 0;
}

.demo-xp-caption {
    font-size: 0.88rem;
    color: var(--text-secondary, #666);
    margin: 0 0 8px 0;
    text-align: center;
    max-width: 26rem;
    line-height: 1.45;
}

.demo-points-detail {
    font-size: 0.8rem;
    color: var(--text-secondary, #888);
    margin: -8px 0 12px 0;
    text-align: center;
}

/* Progress */
.demo-history-list {
    width: 100%;
    max-width: 320px;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.demo-history-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 14px;
    background: var(--bg-card, white);
    border-radius: 10px;
    font-size: 0.95rem;
    border: 1px solid var(--border-color, #eee);
}

.demo-streak {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent-primary, #7FA89A);
    margin: 0;
}

.demo-progress-tip {
    font-size: 0.9rem;
    color: var(--text-secondary, #666);
    margin: 0;
}

.demo-progress-lead {
    font-size: 0.95rem;
    color: var(--text-secondary, #555);
    margin: 0 0 12px 0;
    text-align: center;
}

/* Hub teaser */
.demo-hub-overlay-text {
    font-size: 1rem;
    color: var(--text-secondary, #666);
    margin: 0 0 16px 0;
}

.demo-hub-cards {
    display: flex;
    flex-direction: column;
    gap: 12px;
    width: 100%;
    max-width: 320px;
}

.demo-hub-card {
    padding: 16px 20px;
    background: var(--bg-card, white);
    border: 2px solid var(--border-color, #eee);
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-primary, #1a1a1a);
}

.demo-hub-inner .demo-cta-primary {
    margin-top: 8px;
}

.demo-hub-list {
    list-style: none;
    padding: 0;
    margin: 0 0 20px 0;
    text-align: left;
    width: 100%;
    max-width: 400px;
}

.demo-hub-list li {
    padding: 12px 14px;
    margin-bottom: 8px;
    background: var(--bg-card, white);
    border: 1px solid var(--border-color, #eee);
    border-radius: 10px;
    font-size: 0.92rem;
    line-height: 1.45;
    color: var(--text-primary, #333);
}

.demo-hub-overlay-text code {
    font-size: 0.85em;
    background: rgba(127, 168, 154, 0.12);
    padding: 2px 6px;
    border-radius: 4px;
}

.demo-link-secondary {
    display: block;
    margin-top: 12px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--accent-primary, #7FA89A);
    text-decoration: none;
}

.demo-link-secondary:hover {
    text-decoration: underline;
}