:root {
    --bg-darkest: #07090e;
    --bg-darker: #0d1117;
    --bg-card: rgba(22, 28, 38, 0.7);
    --border-color: rgba(255, 255, 255, 0.08);
    
    --color-cyan: #00f0ff;
    --color-green: #00ff66;
    --color-red: #ff3860;
    --color-yellow: #ffd200;
    
    --text-primary: #f5f6f8;
    --text-secondary: #9aa4b7;
    --text-muted: #626e84;

    --font-header: 'Orbitron', sans-serif;
    --font-sub: 'Rajdhani', sans-serif;
    --font-body: 'Space Grotesk', sans-serif;
    
    --transition-fast: 0.2s ease;
}

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

body {
    background-color: var(--bg-darkest);
    color: var(--text-primary);
    font-family: var(--font-body);
    display: flex;
    min-height: 100vh;
    overflow-x: hidden;
}

.hidden { display: none !important; }

#unauthorizedMsg {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 100vw;
    height: 100vh;
    text-align: center;
}
#unauthorizedMsg h2 { color: var(--color-red); font-family: var(--font-header); font-size: 2rem; margin-bottom: 1rem; }
#unauthorizedMsg a { color: var(--color-cyan); text-decoration: none; font-weight: bold; margin-top: 1rem; }

/* Layout */
.admin-layout {
    display: flex;
    width: 100%;
    height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 250px;
    background: rgba(13, 17, 23, 0.95);
    border-right: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.sidebar-header {
    padding: 1.5rem;
    border-bottom: 1px solid var(--border-color);
}
.sidebar-header h2 {
    font-family: var(--font-header);
    color: #fff;
    font-size: 1.5rem;
}
.sidebar-header span { color: var(--color-red); }

.sidebar-nav {
    flex: 1;
    display: flex;
    flex-direction: column;
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 1rem 1.5rem;
    color: var(--text-secondary);
    text-decoration: none;
    font-family: var(--font-sub);
    font-size: 1.1rem;
    font-weight: 600;
    transition: var(--transition-fast);
}

.nav-item:hover, .nav-item.active {
    background: rgba(0, 240, 255, 0.05);
    color: var(--color-cyan);
    border-right: 3px solid var(--color-cyan);
}

.sidebar-footer {
    padding: 1rem;
    border-top: 1px solid var(--border-color);
}

/* Main Content */
.main-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow-y: auto;
    background: radial-gradient(circle at top right, rgba(0, 240, 255, 0.05), transparent 40%),
                radial-gradient(circle at bottom left, rgba(255, 56, 96, 0.05), transparent 40%);
}

.topbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    background: rgba(7, 9, 14, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 10;
}
.topbar h1 { font-family: var(--font-header); font-size: 1.5rem; }

.admin-profile { display: flex; align-items: center; gap: 15px; }
.btn-logout {
    background: transparent; border: 1px solid var(--color-red); color: var(--color-red);
    padding: 5px 15px; border-radius: 4px; cursor: pointer; transition: 0.2s;
}
.btn-logout:hover { background: var(--color-red); color: #fff; }

.content-wrapper { padding: 2rem; }
.admin-section { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }

/* Stats Grid */
.stats-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 1.5rem; margin-bottom: 2rem; }
.stat-card {
    background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 8px; padding: 1.5rem;
    backdrop-filter: blur(5px);
}
.stat-card h3 { font-family: var(--font-sub); font-size: 1rem; color: var(--text-secondary); margin-bottom: 10px; }
.stat-value { font-family: var(--font-header); font-size: 2.5rem; font-weight: 800; color: #fff; }

/* Charts */
.charts-row { display: grid; grid-template-columns: 1fr; gap: 1.5rem; margin-bottom: 2rem; }
.chart-container {
    background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 8px; padding: 1.5rem;
    height: 400px;
}
.chart-container h3 { font-family: var(--font-sub); margin-bottom: 15px; color: var(--text-secondary); }

/* Tables */
.section-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 1.5rem; }
.section-header h2 { font-family: var(--font-header); font-size: 1.5rem; }
.admin-input {
    background: rgba(0,0,0,0.5); border: 1px solid var(--border-color); color: #fff; padding: 10px 15px;
    border-radius: 4px; width: 300px; font-family: var(--font-body); outline: none; transition: 0.2s;
}
.admin-input:focus { border-color: var(--color-cyan); }

.table-container { background: var(--bg-card); border: 1px solid var(--border-color); border-radius: 8px; overflow: hidden; }
.admin-table { width: 100%; border-collapse: collapse; text-align: left; }
.admin-table th { background: rgba(0,0,0,0.3); padding: 1rem; font-family: var(--font-sub); font-size: 0.9rem; color: var(--text-secondary); border-bottom: 1px solid var(--border-color); }
.admin-table td { padding: 1rem; border-bottom: 1px solid rgba(255,255,255,0.02); font-size: 0.9rem; }
.admin-table tbody tr:hover { background: rgba(255,255,255,0.02); }

.btn-danger { background: rgba(255,56,96,0.1); border: 1px solid var(--color-red); color: var(--color-red); padding: 5px 10px; border-radius: 4px; cursor: pointer; transition: 0.2s; font-size: 0.8rem; }
.btn-danger:hover { background: var(--color-red); color: #fff; }

.badge-clean { color: var(--color-green); font-weight: bold; }
.badge-warning { color: var(--color-yellow); font-weight: bold; }
.badge-cheat { color: var(--color-red); font-weight: bold; }

/* Placeholder */
.placeholder-box { background: var(--bg-card); border: 1px dashed var(--color-cyan); border-radius: 8px; padding: 3rem; text-align: center; }

/* Toast */
.toast {
    position: fixed; bottom: 20px; right: 20px; background: rgba(0, 240, 255, 0.1); border: 1px solid var(--color-cyan);
    padding: 15px 25px; border-radius: 4px; box-shadow: 0 5px 25px rgba(0, 240, 255, 0.2); z-index: 1000;
}