:root {
    --primary: #FFB300;
    --secondary: #FF9800;
    --accent: #212121;
    --bg-dark: #0A0A0A;
    --card-bg: #1A1A1A;
    --text-light: #F5F5F5;
    --text-gray: #BDBDBD;
}

body {
    background-color: var(--bg-dark);
    color: var(--text-light);
    font-family: 'Poppins', sans-serif;
    margin: 0;
}

.sidebar {
    width: 260px;
    height: 100vh;
    background: var(--card-bg);
    position: fixed;
    padding: 30px 20px;
    border-right: 1px solid rgba(255,255,255,0.05);
}

.main-content {
    margin-left: 260px;
    padding: 40px;
}

.glass-card {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    padding: 25px;
    transition: all 0.3s ease;
}

.glass-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.05);
}

.btn-premium {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border: none;
    border-radius: 12px;
    padding: 12px 25px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-premium:hover {
    box-shadow: 0 10px 20px rgba(255, 152, 0, 0.3);
    transform: scale(1.02);
}

.stat-card {
    border-left: 4px solid var(--primary);
}

table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 10px;
}

th {
    color: var(--text-gray);
    font-weight: 500;
    padding: 15px;
    text-align: left;
}

td {
    background: rgba(255,255,255,0.02);
    padding: 15px;
}

td:first-child { border-radius: 12px 0 0 12px; }
td:last-child { border-radius: 0 12px 12px 0; }

.navbar-brand {
    font-weight: 800;
    font-size: 24px;
    background: linear-gradient(135deg, #FFF, #FFB300);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 40px;
    display: block;
}

.nav-link {
    color: var(--text-gray);
    padding: 12px 15px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    text-decoration: none;
    margin-bottom: 10px;
}

.nav-link.active, .nav-link:hover {
    background: rgba(255,179,0,0.1);
    color: var(--primary);
}

.nav-link i {
    margin-right: 15px;
    font-size: 18px;
}