@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&display=swap');

:root {
    --bg-color: #0f111a;
    --panel-bg: rgba(255, 255, 255, 0.03);
    --panel-border: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent: #6366f1;
    --accent-hover: #4f46e5;
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
}

/* Glassmorphism utilities */
.glass {
    background: var(--panel-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--panel-border);
    border-radius: 12px;
}

/* Sidebar */
.sidebar {
    width: 280px;
    height: 100vh;
    position: fixed;
    top: 0;
    left: 0;
    padding: 2rem 1.5rem;
    display: flex;
    flex-direction: column;
    z-index: 10;
}

.brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
    margin-bottom: 2.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.nav-menu {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.nav-item a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.875rem 1rem;
    text-decoration: none;
    color: var(--text-secondary);
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s ease;
}

.nav-item a:hover {
    background: rgba(255, 255, 255, 0.05);
    color: var(--text-primary);
}

.nav-item a.active {
    background: var(--accent);
    color: white;
}

/* Main Content */
.main-content {
    margin-left: 280px;
    flex: 1;
    padding: 2rem 3rem;
    min-height: 100vh;
}

.page-header {
    margin-bottom: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.page-title {
    font-size: 1.875rem;
    font-weight: 600;
}

/* Cards */
.grid {
    display: grid;
    gap: 1.5rem;
}

.grid-cols-3 {
    grid-template-columns: repeat(3, 1fr);
}

.stat-card {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.875rem;
    font-weight: 500;
}

.stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: white;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 6px;
    font-weight: 500;
    font-family: inherit;
    font-size: 0.875rem;
    cursor: pointer;
    border: none;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn-primary {
    background: var(--accent);
    color: white;
}

.btn-primary:hover {
    background: var(--accent-hover);
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(99, 102, 241, 0.3);
}

.btn-danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.btn-danger:hover {
    background: var(--danger);
    color: white;
}

/* Tables */
.table-container {
    overflow-x: auto;
    width: 100%;
}

table {
    width: 100%;
    border-collapse: collapse;
    text-align: left;
}

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

th {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

td {
    font-size: 0.95rem;
}

tr:last-child td {
    border-bottom: none;
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
}

.badge-success { background: rgba(16, 185, 129, 0.1); color: var(--success); border: 1px solid rgba(16, 185, 129, 0.2); }
.badge-warning { background: rgba(245, 158, 11, 0.1); color: var(--warning); border: 1px solid rgba(245, 158, 11, 0.2); }
.badge-danger { background: rgba(239, 68, 68, 0.1); color: var(--danger); border: 1px solid rgba(239, 68, 68, 0.2); }

/* Alerts */
.alert {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 500;
}

.alert-success { background: rgba(16, 185, 129, 0.1); border: 1px solid rgba(16, 185, 129, 0.2); color: var(--success); }

/* Forms */
.form-group { margin-bottom: 1.5rem; }
.form-label { display: block; margin-bottom: 0.5rem; color: var(--text-secondary); font-size: 0.875rem; }
.form-input { 
    width: 100%; padding: 0.75rem 1rem; border-radius: 6px; 
    background: rgba(0,0,0,0.2); border: 1px solid var(--panel-border); 
    color: white; font-family: inherit; font-size: 0.95rem; 
    outline: none; transition: border-color 0.2s;
}
.form-input:focus { border-color: var(--accent); }