/* ── Tractor Lobby - Modern Card-Based Layout ─────────────────────────
   Designed to integrate with phpBB's overall_header/footer.
   Dark theme with glassmorphism panels, responsive grid.
   ───────────────────────────────────────────────────────────────────── */

:root {
    --tr-bg-dark: #1a1a2e;
    --tr-bg-medium: #16213e;
    --tr-bg-card: rgba(22, 33, 62, 0.75);
    --tr-accent-gold: #e2b714;
    --tr-accent-blue: #4aa3df;
    --tr-accent-green: #2ecc71;
    --tr-accent-orange: #f39c12;
    --tr-text: #e8e8e8;
    --tr-text-muted: #7899aa;
    --tr-border: rgba(255, 255, 255, 0.1);
    --tr-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    --tr-radius: 12px;
    --tr-radius-sm: 8px;
    --tr-transition: 0.2s ease;
}

/* ── Lobby container ─────────────────────────────────────────────────── */
.tr-lobby {
    width: 100%;
    margin: 20px auto;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    font-size: 15px;
    color: var(--tr-text);
}

.tr-lobby h2 {
    color: var(--tr-accent-gold);
    font-size: 1.6em;
    letter-spacing: 1px;
    margin-bottom: 24px;
    text-align: center;
}

/* ── Panels ──────────────────────────────────────────────────────────── */
.tr-lobby-panel {
    background: var(--tr-bg-card);
    backdrop-filter: blur(12px);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius);
    padding: 20px 24px;
    margin-bottom: 20px;
    box-shadow: var(--tr-shadow);
}

.tr-lobby-panel h3 {
    color: var(--tr-accent-gold);
    font-size: 1.1em;
    margin: 0 0 14px 0;
    display: flex;
    align-items: center;
    gap: 12px;
}

/* ── Create panel row ────────────────────────────────────────────────── */
.tr-create-row {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
}

.tr-form-group {
    display: flex;
    align-items: center;
    gap: 6px;
}

.tr-form-group label {
    font-size: 14px;
    color: var(--tr-text);
}

.tr-noskip-group {
    display: flex;
    flex-wrap: wrap;
    gap: 6px 12px;
}

.tr-noskip-group label {
    white-space: nowrap;
}

.tr-form-group select {
    background: var(--tr-bg-dark);
    color: var(--tr-text);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius-sm);
    padding: 7px 14px;
    font-size: 14px;
    cursor: pointer;
}

/* ── Buttons ─────────────────────────────────────────────────────────── */
.tr-btn {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    border: none;
    border-radius: var(--tr-radius-sm);
    padding: 9px 18px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--tr-transition);
    text-decoration: none;
    white-space: nowrap;
}

.tr-btn-primary {
    background: linear-gradient(135deg, var(--tr-accent-gold), #c9980a);
    color: #1a1a2e;
}
.tr-btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }

.tr-btn-accent {
    background: linear-gradient(135deg, var(--tr-accent-blue), #2980b9);
    color: #fff;
}
.tr-btn-accent:hover { filter: brightness(1.1); transform: translateY(-1px); }

.tr-btn-muted {
    background: rgba(255, 255, 255, 0.08);
    color: var(--tr-text-muted);
    border: 1px solid var(--tr-border);
}
.tr-btn-muted:hover { background: rgba(255, 255, 255, 0.14); color: var(--tr-text); }

.tr-btn-small {
    padding: 5px 12px;
    font-size: 13px;
    background: rgba(255, 255, 255, 0.06);
    color: var(--tr-text-muted);
    border: 1px solid var(--tr-border);
}
.tr-btn-small:hover { background: rgba(255, 255, 255, 0.12); color: var(--tr-text); }

/* Help/rules link in the lobby title: gold emphasis on hover (avoids washed-out
   near-white text that low-contrasts against the light hover overlay). */
.tr-help-link:hover {
    background: rgba(226, 183, 20, 0.14);
    color: var(--tr-accent-gold);
    border-color: rgba(226, 183, 20, 0.45);
}

/* ── Room card grid ──────────────────────────────────────────────────── */
.tr-room-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 16px;
}

.tr-muted {
    color: var(--tr-text-muted);
    font-size: 14px;
}

.tr-login-hint {
    color: var(--tr-text-muted);
    font-size: 13px;
    margin-left: 12px;
}
.tr-login-hint a {
    color: var(--tr-accent-blue);
    text-decoration: underline;
}

/* ── Room card ───────────────────────────────────────────────────────── */
.tr-room-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius);
    padding: 16px 20px;
    transition: background var(--tr-transition), border-color var(--tr-transition);
}
.tr-room-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
}

.tr-room-card-live {
    border-left: 3px solid var(--tr-accent-green);
}

.tr-room-card-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    flex-wrap: wrap;
    line-height: 1.4;
}

.tr-room-owner {
    font-size: 14px;
    color: var(--tr-text);
    font-weight: 600;
}

.tr-room-time {
    font-size: 12px;
    color: var(--tr-text-muted);
    margin-left: auto;
}

.tr-room-phase {
    font-size: 13px;
    background: var(--tr-accent-green);
    color: #1a1a2e;
    padding: 3px 10px;
    border-radius: 10px;
    font-weight: 600;
}

.tr-room-badge {
    font-size: 13px;
    background: rgba(255, 255, 255, 0.1);
    color: var(--tr-text-muted);
    padding: 3px 10px;
    border-radius: 10px;
}

.tr-room-card-seats {
    display: flex;
    gap: 10px;
    margin-bottom: 14px;
}

.tr-seat-dot {
    width: 34px;
    height: 34px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
}
.tr-seat-dot-human { background: rgba(74, 163, 223, 0.4); border: 2px solid var(--tr-accent-blue); color: var(--tr-accent-blue); }
.tr-seat-dot-robot { background: rgba(46, 204, 113, 0.25); border: 2px solid var(--tr-accent-green); color: var(--tr-accent-green); }
.tr-seat-dot-empty { background: transparent; border: 2px dashed rgba(255,255,255,0.25); color: rgba(255,255,255,0.3); }

.tr-room-card-actions {
    display: flex;
    gap: 8px;
    align-items: center;
    padding-top: 10px;
    border-top: 1px solid var(--tr-border);
}
.tr-room-players {
    font-size: 13px;
    color: var(--tr-text-muted);
    margin-bottom: 12px;
    overflow-wrap: break-word;
    line-height: 1.5;
}

/* ── Seat table (modal) ──────────────────────────────────────────────── */
.tr-seat-modal {
    padding: 8px;
}

.tr-seat-table {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 16px 0;
}

.tr-seat-row {
    display: flex;
    gap: 10px;
    align-items: center;
}

.tr-seat-center {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #1a5a1a, #2a8a2a);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
}

.tr-seat-cell {
    width: 90px;
    min-height: 56px;
    border-radius: 8px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    font-size: 13px;
    text-align: center;
    padding: 8px;
    transition: transform 0.1s, box-shadow 0.1s;
}

.tr-seat-empty {
    background: rgba(255, 255, 255, 0.05);
    color: #555;
    border: 1px dashed #444;
}

.tr-seat-human {
    background: rgba(0, 80, 160, 0.35);
    color: var(--tr-accent-blue);
    border: 1px solid rgba(74, 163, 223, 0.4);
}

.tr-seat-robot {
    background: rgba(20, 80, 20, 0.25);
    color: #e8e8e8;
    border: 1px dashed #4a0;
}
.tr-seat-robot.tr-seat-clickable:hover {
    transform: scale(1.06);
    box-shadow: 0 0 12px rgba(46, 204, 113, 0.4);
}

.tr-seat-clickable {
    cursor: pointer;
}
.tr-seat-clickable:hover {
    transform: scale(1.06);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.2);
}
.tr-seat-empty.tr-seat-clickable {
    border-style: solid;
    border-color: rgba(226, 183, 20, 0.4);
    color: var(--tr-accent-gold);
}

/* ── History game cards ────────────────────────────────────────────── */
.tr-history-teams {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 10px 0 12px;
    font-size: 13px;
    flex-wrap: wrap;
    line-height: 1.5;
}
.tr-history-team {
    color: var(--tr-text);
}
.tr-history-team small {
    color: var(--tr-text-muted);
}
.tr-history-vs {
    color: var(--tr-accent-orange);
    font-weight: 600;
    font-size: 13px;
}

/* ── Rounds detail modal ─────────────────────────────────────────── */
.tr-rounds-detail {
    padding: 12px;
    overflow-x: auto;
}
.tr-rounds-table {
    width: 100%;
    border-collapse: collapse;
    font-size: 13px;
}
.tr-rounds-table th,
.tr-rounds-table td {
    padding: 6px 8px;
    text-align: center;
    border-bottom: 1px solid #333;
    white-space: nowrap;
}
.tr-rounds-table th {
    background: #1a1a2e;
    color: var(--tr-text-muted);
    font-weight: 500;
}
.tr-pts-pos { color: #2ecc71; }
.tr-pts-neg { color: #e74c3c; }
.tr-seat-name { display: block; font-size: 12px; color: #aaa; white-space: nowrap; }
.tr-lvl-info { font-size: 11px; color: #888; white-space: nowrap; }
.tr-lvl-win { color: #2ecc71; }

/* ── Responsive ──────────────────────────────────────────────────────── */
@media (max-width: 640px) {
    .tr-lobby {
        padding: 0 10px;
    }
    .tr-lobby h2 {
        font-size: 1.2em;
    }
    .tr-lobby-panel {
        padding: 14px 12px;
    }
    .tr-create-row .tr-btn {
        justify-content: center;
    }
    .tr-room-cards {
        grid-template-columns: 1fr;
    }
    .tr-room-card-header {
        gap: 6px;
    }
    .tr-room-time {
        margin-left: 0;
    }
    .tr-rounds-detail {
        padding: 6px;
        -webkit-overflow-scrolling: touch;
    }
    .tr-rounds-table {
        font-size: 12px;
    }
    .tr-rounds-table th,
    .tr-rounds-table td {
        padding: 3px 5px;
    }
    .tr-seat-name {
        font-size: 11px;
    }
}