:root {
    --primary: #6366f1;
    --primary-glow: rgba(99, 102, 241, 0.4);
    --secondary: #a855f7;
    --accent: #22d3ee;
    --bg-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-main: #f8fafc;
    --text-muted: #94a3b8;
    --glass-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(--bg-dark);
    color: var(--text-main);
    overflow-x: hidden;
    min-height: 100vh;
    background-image: 
        radial-gradient(circle at 10% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(168, 85, 247, 0.1) 0%, transparent 40%);
}

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

/* Sidebar */
.sidebar {
    width: 280px;
    background: rgba(15, 23, 42, 0.9);
    backdrop-filter: blur(10px);
    border-right: 1px solid var(--glass-border);
    padding: 2rem;
    display: flex;
    flex-direction: column;
    position: fixed;
    height: 100vh;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 3rem;
}

.nav-link {
    display: flex;
    align-items: center;
    padding: 0.75rem 1rem;
    color: var(--text-muted);
    text-decoration: none;
    border-radius: 12px;
    margin-bottom: 0.5rem;
    transition: all 0.3s ease;
}

.nav-link.active, .nav-link:hover {
    background: rgba(99, 102, 241, 0.1);
    color: var(--text-main);
    box-shadow: 0 0 15px var(--primary-glow);
}

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

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

.title-section h1 {
    font-size: 1.875rem;
    font-weight: 700;
}

.title-section p {
    color: var(--text-muted);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    padding: 1.5rem;
    border-radius: 20px;
    transition: transform 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-5px);
}

.stat-value {
    font-size: 2rem;
    font-weight: 800;
    margin: 0.5rem 0;
}

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

/* Table Card */
.content-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 1.5rem;
}

.table-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

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

th {
    text-align: left;
    color: var(--text-muted);
    font-weight: 600;
    font-size: 0.75rem;
    text-transform: uppercase;
    padding: 1rem;
    border-bottom: 1px solid var(--glass-border);
}

td {
    padding: 1rem;
    font-size: 0.875rem;
    border-bottom: 1px solid var(--glass-border);
}

.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-active { background: rgba(34, 211, 238, 0.1); color: var(--accent); }
.badge-expired { background: rgba(239, 68, 68, 0.1); color: #ef4444; }

.btn {
    padding: 0.5rem 1rem;
    border-radius: 10px;
    border: none;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    color: white;
}

.btn-primary:hover {
    box-shadow: 0 0 20px var(--primary-glow);
    filter: brightness(1.1);
}

/* Advanced Glassmorphism & Utilities */
.glass {
    background: rgba(255, 255, 255, 0.03);
    backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
}

.glass-error {
    background: rgba(239, 68, 68, 0.05);
    border-color: rgba(239, 68, 68, 0.2);
}

.text-gradient {
    background: linear-gradient(to right, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Modals */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(2, 6, 23, 0.8);
    backdrop-filter: blur(8px);
    display: none;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    padding: 1rem;
}

.modal-content {
    background: var(--bg-dark);
    max-width: 500px;
    width: 100%;
    border-radius: 28px;
    border: 1px solid var(--glass-border);
    padding: 2.5rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    transform: scale(0.95);
    opacity: 0;
    transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.modal-overlay.active {
    display: flex;
}

.modal-overlay.active .modal-content {
    transform: scale(1);
    opacity: 1;
}

/* License Banners */
.status-banner {
    padding: 1rem 2rem;
    background: linear-gradient(to right, rgba(239, 68, 68, 0.1), rgba(239, 68, 68, 0.05));
    border-bottom: 1px solid rgba(239, 68, 68, 0.2);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    margin-bottom: 2rem;
    border-radius: 12px;
}

.status-banner.warning {
    border-color: rgba(245, 158, 11, 0.2);
    background: linear-gradient(to right, rgba(245, 158, 11, 0.1), rgba(245, 158, 11, 0.05));
    color: #f59e0b;
}

/* Animations */
@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

.animate-slide {
    animation: slideIn 0.5s ease forwards;
}

/* Forms */
input, select {
    width: 100%;
    padding: 0.875rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    color: var(--text-main);
    margin-bottom: 1.25rem;
    transition: all 0.2s;
}

input:focus, select:focus {
    border-color: var(--primary);
    background: rgba(255, 255, 255, 0.08);
    outline: none;
    box-shadow: 0 0 0 4px var(--primary-glow);
}