:root {
    --bg-color: #030303;
    --surface-color: #0D0D0D;
    --surface-hover: #161616;
    --border-color: rgba(255, 255, 255, 0.08);
    --primary-color: #00E5FF;
    --secondary-color: #4D7CFF;
    --accent-gradient: linear-gradient(135deg, #00E5FF 0%, #4D7CFF 100%);
    --text-primary: #FFFFFF;
    --text-secondary: #A3A3A3;
    --text-muted: #525252;
    --success: #10B981;
    --warning: #F59E0B;
    --danger: #EF4444;
    --radius-md: 14px;
    --radius-lg: 24px;
    --shadow-glow: 0 8px 32px rgba(0, 229, 255, 0.15);
}

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

body {
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(circle at 0% 0%, rgba(0, 229, 255, 0.05) 0%, transparent 40%),
        radial-gradient(circle at 100% 100%, rgba(77, 124, 255, 0.05) 0%, transparent 40%);
    color: var(--text-primary);
    line-height: 1.6;
}

.container {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 280px;
    background-color: var(--surface-color);
    border-right: 1px solid var(--border-color);
    padding: 32px 24px;
    position: fixed;
    height: 100vh;
}

.logo {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 48px;
}

.logo-icon {
    width: 36px;
    height: 36px;
    background: var(--accent-gradient);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-glow);
}

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

.nav-item {
    margin-bottom: 10px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 14px;
    padding: 14px 18px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: var(--radius-md);
    transition: all 0.3s ease;
}

.nav-link:hover, .nav-link.active {
    background: rgba(0, 229, 255, 0.08);
    color: var(--primary-color);
    transform: translateX(4px);
}

/* Main Content */
.main {
    margin-left: 280px;
    padding: 48px;
    width: 100%;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 48px;
}

.btn-primary {
    background: var(--accent-gradient);
    color: white;
    padding: 14px 28px;
    border-radius: var(--radius-md);
    text-decoration: none;
    font-weight: 700;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-glow);
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

/* Cards */
.card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 32px;
    border-radius: var(--radius-lg);
    margin-bottom: 24px;
}

.table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0 8px;
}

.table th {
    text-align: left;
    padding: 12px 16px;
    color: var(--text-muted);
    font-size: 14px;
    text-transform: uppercase;
}

.table td {
    padding: 20px 16px;
    background: rgba(255, 255, 255, 0.02);
}

.table tr td:first-child { border-radius: var(--radius-md) 0 0 var(--radius-md); }
.table tr td:last-child { border-radius: 0 var(--radius-md) var(--radius-md) 0; }

.badge {
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 700;
}

.badge-new { background: rgba(0, 229, 255, 0.1); color: var(--primary-color); }

/* Form */
.form-group {
    margin-bottom: 20px;
}

.form-control {
    width: 100%;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    padding: 14px;
    border-radius: var(--radius-md);
    color: white;
    outline: none;
}

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