:root {
    --primary: #4F46E5;
    --primary-glow: #818CF8;
    --secondary: #10B981;
    --dark: #0F172A;
    --dark-lighter: #1E293B;
    --text-white: #F8FAFC;
    --text-gray: #94A3B8;
    --glass: rgba(255, 255, 255, 0.05);
    --border: rgba(255, 255, 255, 0.1);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
}

body {
    background-color: var(--dark);
    color: var(--text-white);
    min-height: 100vh;
    overflow-x: hidden;
}

.layout {
    display: flex;
}

/* Sidebar */
.sidebar {
    width: 260px;
    height: 100vh;
    background: var(--dark-lighter);
    border-right: 1px solid var(--border);
    position: fixed;
    padding: 2rem 1.5rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 3rem;
    color: var(--primary-glow);
}

.nav-links {
    list-style: none;
}

.nav-links li {
    margin-bottom: 0.5rem;
}

.nav-links a {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.75rem 1rem;
    color: var(--text-gray);
    text-decoration: none;
    border-radius: 12px;
    transition: all 0.2s ease;
}

.nav-links a:hover, .nav-links a.active {
    background: var(--primary);
    color: white;
    box-shadow: 0 4px 15px rgba(79, 70, 229, 0.3);
}

/* Main Content */
.main {
    margin-left: 260px;
    padding: 2rem 3rem;
    width: calc(100% - 260px);
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 3rem;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.card {
    background: var(--glass);
    backdrop-filter: blur(12px);
    border: 1px solid var(--border);
    padding: 1.5rem;
    border-radius: 20px;
}

.stat-card h3 {
    color: var(--text-gray);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.stat-card .value {
    font-size: 2rem;
    font-weight: 800;
}

.ip-badge {
    background: rgba(16, 185, 129, 0.1);
    color: var(--secondary);
    padding: 0.5rem 1rem;
    border-radius: 999px;
    font-family: monospace;
    font-weight: 700;
    border: 1px solid rgba(16, 185, 129, 0.2);
}

/* Table */
.data-table-container {
    overflow-x: auto;
    margin-top: 1rem;
}

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

th {
    text-align: left;
    color: var(--text-gray);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 1rem;
    border-bottom: 1px solid var(--border);
}

td {
    padding: 1.25rem 1rem;
    border-bottom: 1px solid var(--border);
    font-size: 0.9375rem;
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 8px;
    font-size: 0.75rem;
    font-weight: 700;
}

.badge-success { background: rgba(16, 185, 129, 0.1); color: var(--secondary); }
.badge-danger { background: rgba(239, 68, 68, 0.1); color: #EF4444; }

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
}

.form-control {
    width: 100%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--border);
    padding: 0.75rem 1rem;
    border-radius: 12px;
    color: white;
    outline: none;
}

.form-control:focus {
    border-color: var(--primary);
}

.btn {
    padding: 0.75rem 1.5rem;
    border-radius: 12px;
    font-weight: 700;
    cursor: pointer;
    border: none;
    transition: all 0.2s;
}

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

.btn-primary:hover {
    background: var(--primary-glow);
}