:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #3b82f6;
    --accent-hover: #2563eb;
    --success: #10b981;
    --danger: #ef4444;
    --border: rgba(255, 255, 255, 0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    background-image: radial-gradient(circle at top right, rgba(59, 130, 246, 0.15), transparent 400px),
                      radial-gradient(circle at bottom left, rgba(16, 185, 129, 0.1), transparent 400px);
}

.container {
    width: 100%;
    max-width: 1200px;
    padding: 2rem;
}

.auth-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    border-radius: 16px;
    padding: 2.5rem;
    width: 100%;
    max-width: 400px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

h1, h2, h3 {
    font-weight: 600;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.text-center { text-align: center; }
.mb-4 { margin-bottom: 1.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mt-4 { margin-top: 1.5rem; }
.flex { display: flex; }
.justify-between { justify-content: space-between; }
.items-center { align-items: center; }
.gap-4 { gap: 1rem; }

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.form-control {
    width: 100%;
    padding: 0.75rem 1rem;
    background: rgba(15, 23, 42, 0.6);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    transition: all 0.2s ease;
}

.form-control:focus {
    outline: none;
    border-color: var(--accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.2);
}

.btn {
    display: inline-block;
    width: 100%;
    padding: 0.75rem 1.5rem;
    background: var(--accent);
    color: white;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
}

.btn:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
}

.btn-success { background: var(--success); }
.btn-success:hover { background: #059669; }

.btn-danger { background: var(--danger); }
.btn-danger:hover { background: #dc2626; }

.header-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--border);
    margin-bottom: 2rem;
}

.header-nav .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

.grid-cols-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.grid-cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; }

@media (max-width: 768px) {
    .grid-cols-2, .grid-cols-3 { grid-template-columns: 1fr; }
}

.stat-card {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
}

.stat-card h3 { color: var(--text-secondary); font-size: 0.875rem; text-transform: uppercase; letter-spacing: 1px; }
.stat-card .value { font-size: 2.5rem; font-weight: bold; color: var(--text-primary); margin-top: 0.5rem; }

.table-wrapper {
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 12px;
    overflow: hidden;
    margin-top: 2rem;
}

table {
    width: 100%;
    border-collapse: collapse;
}

th, td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--border);
}

th {
    background: rgba(15, 23, 42, 0.4);
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
}

tr:hover {
    background: rgba(255, 255, 255, 0.02);
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
}
.badge-active { background: rgba(16, 185, 129, 0.2); color: #34d399; }
.badge-inactive { background: rgba(239, 68, 68, 0.2); color: #f87171; }

.toast {
    position: fixed;
    bottom: 20px;
    right: 20px;
    padding: 1rem 1.5rem;
    background: var(--card-bg);
    border: 1px solid var(--border);
    border-radius: 8px;
    color: white;
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.3);
    transform: translateY(100px);
    opacity: 0;
    transition: all 0.3s ease;
}
.toast.show {
    transform: translateY(0);
    opacity: 1;
}