/* ═══════════════════════════════════════════
       CASE SELECTION SCREEN
    ═══════════════════════════════════════════ */

/* Case selection screen background. */
#screen-cases {
    background: var(--bg);
}


/* Scrollable case list. */
.cases-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

.location-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.location-header-icon {
    font-size: 2rem;
}

.location-header-name {
    font-size: 1rem;
    font-weight: 800;
}


.location-header-ambiance {
    font-size: 0.78rem;
    font-family: var(--font-mono);
    color: var(--text-muted);
    font-style: italic;
}


/* Gold-bordered historical context callout. */
.location-fact-box {
    background: var(--surface2);
    border-left: 3px solid var(--gold);
    padding: 10px 14px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    line-height: 1.5;
}

.act-section {
    margin-bottom: 24px;
}


/* 'Act I' / 'Act II' group heading. */
.act-label {
    font-size: 0.88rem;
    font-weight: 800;
    color: var(--gold);
    font-family: var(--font-mono);
    margin-bottom: 10px;
    letter-spacing: 0.04em;
}


/* Clickable case tile. */
.case-card {
    background: var(--surface);
    border: 1px solid var(--border2);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
    cursor: pointer;
    transition: transform 0.18s var(--ease-out), border-color 0.18s;
}

.case-card:hover:not([aria-disabled='true']) {
    background: var(--surface2);
}

.case-card:active:not([aria-disabled='true']) {
    transform: scale(0.98);
}

.case-card.solved {
    border-color: var(--green);
}

.case-title {
    font-size: 1rem;
    font-weight: 700;
}

.case-subtitle {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-top: 4px;
}

.case-event-location {
    font-size: 0.72rem;
    color: var(--text-muted);
    margin-top: 4px;
    font-style: italic;
}


/* Difficulty dots + status label row. */
.case-meta {
    display: flex;
    gap: 10px;
    margin-top: 10px;
    align-items: center;
}

.difficulty-dots {
    display: flex;
    gap: 4px;
}

.dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--surface3);
}

.dot.filled {
    background: var(--gold);
}

.case-status-label {
    font-size: 0.68rem;
    font-family: var(--font-mono);
}

.case-status-label.solved {
    color: var(--green);
}

.case-status-label.open {
    color: var(--blue);
}

.case-status-label.locked {
    color: var(--text-dim);
}

.case-card.locked {
    opacity: 0.45;
    cursor: not-allowed;
}


/* Back-navigation bar. */
.nav-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 8px 16px;
    background: var(--surface2);
    border-bottom: 1px solid var(--border);
    margin-top: 8px;
}

.nav-status-bar .back-btn {
    margin: 0;
}


/* '← Back to map' button. */
.back-btn {
    display: flex;
    align-items: center;
    margin: 0 8px;
    gap: 6px;
    background: var(--surface3);
    color: var(--text-muted);
    font-size: 0.85rem;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border);
    width: auto;
    text-align: left;
    border-radius: var(--radius);
}

.back-btn:hover {
    color: var(--text);
    background: var(--surface2);
}


/* ── Investigation screen (case detail: description + tabs) ── */
#screen-investigation {
    background: var(--bg);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.inv-tabs {
    display: flex;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    flex-shrink: 0;
}

.inv-tab {
    flex: 1;
    padding: 11px 4px;
    text-align: center;
    font-size: 0.72rem;
    font-weight: 700;
    color: var(--text-muted);
    background: transparent;
    border-bottom: 2px solid transparent;
    transition: color 0.15s, border-color 0.15s;
    letter-spacing: 0.04em;
}

.inv-tab:hover:not([aria-disabled='true']) {
    background: var(--surface2);
}

.inv-tab.active {
    color: var(--gold);
    border-bottom-color: var(--gold);
}

.inv-tab-icon {
    display: block;
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.inv-view {
    flex: 1;
    overflow-y: auto;
    padding: 0;
    display: none;
}

.inv-view.active {
    display: flex;
}

.scene-intro {
    font-family: var(--font-mono);
    font-size: 0.78rem;
    color: var(--text-muted);
    background: var(--surface2);
    padding: 10px 12px;
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
    line-height: 1.5;
}

.lets-investigate-btn {
    font-family: var(--font-mono);
    font-size: 0.85rem;
    font-weight: 700;
    color: #fff;
    background: var(--surface3);
    border: 2px solid var(--gold);
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    margin-bottom: 14px;
    cursor: pointer;
    width: 100%;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    transition: transform 0.15s, box-shadow 0.15s;
}

.lets-investigate-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(0,0,0,0.35);
}

.lets-investigate-btn:active {
    transform: scale(0.97);
    box-shadow: 0 2px 6px rgba(0,0,0,0.3);
}

.evidence-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
    margin-bottom: 14px;
}