:root {
    --primary: #1565c0;
    --accent: #ff5722;
    --bg-dark: #121212;
    --bg-card: #1e1e1e;
    --border: #333;
    --text: #e0e0e0;
    --text-muted: #999;
    --sidebar-w: 260px;
}

* { box-sizing: border-box; }
body { 
    margin: 0; 
    font-family: 'Roboto Condensed', sans-serif; 
    background-color: var(--bg-dark); 
    color: var(--text);
    line-height: 1.6;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: radial-gradient(circle at center, #2c3e50 0%, #000000 100%);
}
.login-box {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    width: 100%;
    max-width: 400px;
    border: 1px solid var(--border);
}
.login-logo { text-align: center; margin-bottom: 2rem; }
.login-logo img { width: 120px; margin-bottom: 15px; }
.login-logo h1 { font-size: 1.2rem; margin: 0; color: var(--primary); letter-spacing: 2px; }

/* Dashboard Layout */
.admin-layout { display: flex; min-height: 100vh; }
.admin-sidebar {
    width: var(--sidebar-w);
    background: #000;
    border-right: 1px solid var(--border);
    position: fixed;
    height: 100vh;
}
.sidebar-logo { padding: 20px; text-align: center; border-bottom: 1px solid var(--border); }
.sidebar-logo img { width: 80px; }
.admin-menu { list-style: none; padding: 10px 0; margin: 0; }
.admin-menu a {
    display: block;
    padding: 12px 20px;
    color: var(--text-muted);
    text-decoration: none;
    transition: all 0.3s;
    font-size: 0.95rem;
}
.admin-menu a:hover, .admin-menu a.active { color: var(--primary); background: rgba(0,188,212,0.1); }
.admin-menu a span { margin-right: 10px; }

.main-content {
    margin-left: var(--sidebar-w);
    flex: 1;
    padding: 30px;
}
.admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    border-bottom: 2px solid var(--border);
    padding-bottom: 15px;
}
.admin-header h1 { margin: 0; font-size: 1.5rem; color: #fff; }

/* Components */
.card { background: var(--bg-card); border-radius: 8px; padding: 25px; border: 1px solid var(--border); margin-bottom: 20px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; margin-bottom: 8px; font-weight: bold; color: var(--text-muted); }
.form-control {
    width: 100%;
    padding: 12px;
    background: #2a2a2a;
    border: 1px solid var(--border);
    border-radius: 4px;
    color: #fff;
    font-family: inherit;
}
.btn {
    padding: 10px 20px;
    border-radius: 4px;
    border: none;
    font-family: inherit;
    font-weight: 700;
    cursor: pointer;
    text-transform: uppercase;
    transition: 0.3s;
    text-decoration: none;
    display: inline-block;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: #0d47a1; }
.btn-outline { background: transparent; border: 1px solid var(--border); color: #fff; }
.btn-block { width: 100%; }
.btn-sm { padding: 5px 12px; font-size: 0.8rem; }

.alert { padding: 12px; border-radius: 4px; margin-bottom: 20px; }
.alert-danger { background: rgba(244, 67, 54, 0.2); border: 1px solid #f44336; color: #f44336; }
.alert-success { background: rgba(76, 175, 80, 0.2); border: 1px solid #4caf50; color: #4caf50; }

.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th { text-align: left; padding: 12px; border-bottom: 2px solid var(--border); color: var(--text-muted); }
.admin-table td { padding: 12px; border-bottom: 1px solid var(--border); }
.admin-table .actions { display: flex; gap: 10px; }

/* Dashboard Stats */
.dashboard-stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 20px; margin-bottom: 40px; }
.stat-card { background: var(--bg-card); padding: 20px; border-radius: 8px; border: 1px solid var(--border); text-align: center; }
.stat-card.highlight { border-color: var(--primary); border-width: 2px; }
.stat-card h3 { font-size: 0.9rem; color: var(--text-muted); text-transform: uppercase; margin-top: 0; }
.stat-card .number { font-size: 2.5rem; font-weight: 700; color: #fff; margin: 10px 0; }