:root {
    --bg-dark: #090e1a;
    --bg-panel: #0f172a;
    --bg-card: #1e293b;
    --bg-input: #0b1120;
    --border-color: rgba(255, 255, 255, 0.08);
    --border-accent: rgba(239, 68, 68, 0.4);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --accent-red: #ef4444;
    --accent-emerald: #10b981;
    --accent-amber: #f59e0b;
    --accent-sky: #0284c7;
    --font-main: 'Inter', system-ui, -apple-system, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    background: var(--bg-dark);
    color: var(--text-primary);
    font-family: var(--font-main);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* TOPBAR */
.game-topbar {
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid var(--border-color);
    padding: 12px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    backdrop-filter: blur(10px);
}

.topbar-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.back-link {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: 8px;
    transition: color 0.2s;
}

.back-link:hover {
    color: #fff;
}

.brand-badge {
    font-family: var(--font-mono);
    font-weight: 900;
    color: var(--accent-red);
    background: #090e1a;
    border: 1px solid var(--border-accent);
    padding: 2px 8px;
    border-radius: 6px;
    font-size: 0.9rem;
}

.game-logo-badge {
    background: linear-gradient(135deg, rgba(239, 68, 68, 0.15), rgba(15, 23, 42, 0.8));
    border: 1px solid var(--border-accent);
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.92rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: #fca5a5;
}

.game-logo-badge span {
    color: #fff;
}

.topbar-right {
    display: flex;
    align-items: center;
    gap: 12px;
}

.stat-pill {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    padding: 6px 14px;
    border-radius: 8px;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 6px;
}

.stat-label {
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 800;
}

/* ARENA GRID */
.arena-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    padding: 24px;
    flex: 1;
    max-width: 1600px;
    width: 100%;
    margin: 0 auto;
}

/* MISSION PANEL */
.mission-panel {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mission-header {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 18px 20px;
    border-left: 4px solid var(--accent-red);
}

.mission-tag {
    background: rgba(239, 68, 68, 0.15);
    color: #fca5a5;
    padding: 3px 8px;
    border-radius: 4px;
    font-size: 0.72rem;
    font-weight: 800;
    text-transform: uppercase;
    display: inline-block;
    margin-bottom: 8px;
}

.mission-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 8px;
}

.mission-desc {
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.6;
}

.schema-box {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 12px 16px;
}

.schema-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-secondary);
}

.schema-toggle-btn {
    background: transparent;
    border: 1px solid var(--border-color);
    color: var(--text-muted);
    font-size: 0.75rem;
    padding: 2px 8px;
    border-radius: 4px;
    cursor: pointer;
}

.schema-content {
    margin-top: 10px;
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.table-tag {
    font-family: var(--font-mono);
    font-size: 0.82rem;
    background: var(--bg-input);
    padding: 6px 10px;
    border-radius: 6px;
    color: #38bdf8;
    border: 1px solid rgba(255, 255, 255, 0.04);
}

.table-tag u {
    color: #f59e0b;
    text-decoration: underline;
}

/* TERMINAL SQL */
.sql-terminal-card {
    background: #090e1a;
    border: 1.5px solid var(--border-accent);
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.terminal-bar {
    background: #0f172a;
    padding: 8px 14px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 8px;
}

.terminal-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ef4444; }
.terminal-dot.yellow { background: #f59e0b; }
.terminal-dot.green { background: #10b981; }

.terminal-title {
    font-family: var(--font-mono);
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-left: 8px;
}

.sql-textarea {
    width: 100%;
    height: 160px;
    background: transparent;
    border: none;
    outline: none;
    padding: 16px;
    color: #f8fafc;
    font-family: var(--font-mono);
    font-size: 0.98rem;
    line-height: 1.6;
    resize: none;
}

.terminal-actions {
    background: #0f172a;
    padding: 10px 16px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.shortcut-tip {
    font-size: 0.78rem;
    color: var(--text-muted);
}

.btn-group {
    display: flex;
    gap: 10px;
}

.btn-primary {
    background: #ef4444;
    color: #fff;
    border: none;
    padding: 8px 18px;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-primary:hover {
    background: #dc2626;
    box-shadow: 0 4px 12px rgba(239, 68, 68, 0.4);
}

.btn-secondary {
    background: var(--bg-card);
    color: var(--text-secondary);
    border: 1px solid var(--border-color);
    padding: 8px 14px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 0.88rem;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.05);
    color: #fff;
}

.feedback-box {
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 0.88rem;
    line-height: 1.5;
    display: none;
}

.feedback-box.success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid #10b981;
    color: #a7f3d0;
    display: block;
}

.feedback-box.error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid #ef4444;
    color: #fca5a5;
    display: block;
}

/* RESULTS PANEL */
.results-panel {
    background: var(--bg-panel);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
}

.panel-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.panel-header h3 {
    font-size: 0.92rem;
    font-weight: 800;
    color: var(--text-primary);
}

.badge-count {
    background: var(--bg-card);
    color: var(--text-secondary);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
}

.badge-target {
    background: rgba(16, 185, 129, 0.15);
    color: #34d399;
    font-size: 0.72rem;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 4px;
}

.table-container {
    background: #090e1a;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow-x: auto;
    overflow-y: auto;
    max-height: 240px;
    flex: 1;
}

.sql-table {
    width: 100%;
    border-collapse: collapse;
    font-family: var(--font-mono);
    font-size: 0.82rem;
    text-align: left;
}

.sql-table th {
    background: #0f172a;
    color: #f59e0b;
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
}

.sql-table td {
    padding: 8px 12px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    color: #e2e8f0;
}

.sql-table tr:hover {
    background: rgba(255, 255, 255, 0.03);
}

.empty-state {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.88rem;
}

/* MODAL */
.win-modal {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.win-card {
    background: #0f172a;
    border: 2px solid #ef4444;
    border-radius: 16px;
    padding: 36px 30px;
    max-width: 520px;
    width: 90%;
    text-align: center;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.8);
}

.win-card h2 {
    font-size: 1.6rem;
    color: #f59e0b;
    margin-bottom: 12px;
}

.final-score {
    font-size: 2rem;
    font-weight: 900;
    color: #34d399;
    margin: 16px 0;
    font-family: var(--font-mono);
}

@media (max-width: 960px) {
    .arena-grid {
        grid-template-columns: 1fr;
    }
}