:root {
    --bg-primary: #0b1014;
    --bg-secondary: #12191f;
    --bg-tertiary: #27313a;
    --bg-card: #182129;
    --text-primary: #edf2f5;
    --text-secondary: #9ba8b3;
    --accent-gold: #f4b942;
    --accent-red: #ef654f;
    --accent-green: #54d18b;
    --accent-blue: #68aaf9;
    --border-color: #2b3741;
}

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

body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background: radial-gradient(circle at 75% 0, #20313a 0, transparent 35%), var(--bg-primary);
    color: var(--text-primary);
    min-height: 100vh;
    padding: 28px 20px;
}

.container {
    max-width: 760px;
    margin: 0 auto;
}

.page-nav { display: flex; margin-bottom: 14px; }
.back-to-game {
    display: inline-flex;
    align-items: center;
    min-height: 42px;
    padding: 9px 14px;
    border: 1px solid var(--border-color);
    border-radius: 9px;
    background: var(--bg-secondary);
    color: var(--text-primary);
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
}
.back-to-game:hover { border-color: var(--accent-gold); color: var(--accent-gold); }
.back-to-game:focus-visible { outline: 3px solid var(--accent-blue); outline-offset: 2px; }

header {
    text-align: center;
    margin-bottom: 32px;
}

header .brand-lockup { display: inline-flex; align-items: center; gap: 14px; margin-bottom: 10px; text-align: left; }
header .brand-lockup img { display: block; width: 68px; height: 68px; object-fit: cover; border-radius: 14px; }
header .brand-lockup strong { display: flex; align-items: center; gap: 10px; font-size: 28px; font-weight: 950; letter-spacing: -1px; }
header .brand-lockup strong b { background: var(--accent-gold); color: #111820; font-size: 16px; letter-spacing: .2px; padding: 5px 9px; border-radius: 2px; }
header .brand-lockup span { display: block; margin-top: 4px; color: var(--text-secondary); font-size: 10px; font-weight: 800; letter-spacing: 2.5px; }

header p {
    font-size: 14px;
    color: var(--text-secondary);
}

section {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: 14px;
    padding: 22px;
    margin-bottom: 20px;
}

section h2 {
    font-size: 16px;
    color: var(--accent-gold);
    margin-bottom: 16px;
    padding-bottom: 8px;
    border-bottom: 1px solid var(--border-color);
}

/* Settings */
.setting-item {
    margin-bottom: 16px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--border-color);
}

.setting-item:last-child {
    margin-bottom: 0;
    padding-bottom: 0;
    border-bottom: none;
}

.setting-item label {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
}

.setting-item input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--accent-gold);
    cursor: pointer;
}

.setting-item input[type="range"] {
    flex: 1;
    accent-color: var(--accent-gold);
}

.setting-desc {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 6px;
    margin-left: 28px;
}

.setting-action {
    width: calc(100% - 28px);
    margin: 10px 0 0 28px;
}

/* Stats Grid */
#stats-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
}

.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 16px;
    text-align: center;
    transition: all 0.2s;
}

.stat-card:hover {
    border-color: var(--accent-gold);
    transform: translateY(-2px);
}

.stat-value {
    font-size: 22px;
    font-weight: 700;
    color: var(--accent-gold);
    margin-bottom: 4px;
}

.stat-label {
    font-size: 11px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Buttons */
.btn-danger, .btn-secondary {
    display: block;
    width: 100%;
    padding: 12px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 10px;
    transition: all 0.2s;
}

.btn-danger {
    background: var(--accent-red);
    color: #180a08;
}

.btn-danger:hover {
    background: #e74c3c;
    transform: translateY(-1px);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

.btn-secondary:hover {
    background: var(--bg-card);
    border-color: var(--accent-blue);
}

/* Footer */
footer {
    text-align: center;
    padding: 20px;
    color: var(--text-secondary);
    font-size: 12px;
}

@media (min-width: 500px) {
    #stats-grid { grid-template-columns: repeat(4, 1fr); }
}