:root {
    --glass-bg: rgba(20, 20, 30, 0.6);
    --glass-border: rgba(255, 255, 255, 0.1);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --accent-color: #764ba2;
    --text-primary: #ffffff;
    --text-secondary: rgba(255, 255, 255, 0.7);
    --success: #10b981;
    --danger: #ef4444;
    --warning: #f59e0b;
}

body {
    background: #0f172a;
    background-image: 
        radial-gradient(at 0% 0%, hsla(253,16%,7%,1) 0, transparent 50%), 
        radial-gradient(at 50% 0%, hsla(225,39%,30%,1) 0, transparent 50%), 
        radial-gradient(at 100% 0%, hsla(339,49%,30%,1) 0, transparent 50%);
    background-size: 200% 200%;
    animation: gradient-animation 15s ease infinite;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    color: var(--text-primary);
    min-height: 100vh;
}

@keyframes gradient-animation {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Glassmorphism Card */
.card, .glass-panel {
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--glass-border);
    box-shadow: var(--glass-shadow);
    border-radius: 24px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px 0 rgba(0, 0, 0, 0.45);
    border-color: rgba(255, 255, 255, 0.2);
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    letter-spacing: -0.025em;
}

/* Buttons */
.btn-primary {
    background: var(--primary-gradient);
    border: none;
    border-radius: 12px;
    color: white;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    transition: all 0.2s ease;
    box-shadow: 0 4px 15px rgba(118, 75, 162, 0.4);
}

.btn-primary:hover {
    transform: scale(1.02);
    box-shadow: 0 6px 20px rgba(118, 75, 162, 0.6);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    color: white;
    padding: 0.5rem 1rem;
    transition: all 0.2s ease;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

/* Inputs */
input, select, textarea {
    background: rgba(0, 0, 0, 0.2) !important;
    border: 1px solid rgba(255, 255, 255, 0.1) !important;
    border-radius: 12px !important;
    color: white !important;
    padding: 0.75rem 1rem !important;
    transition: border-color 0.2s ease;
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--accent-color) !important;
    box-shadow: 0 0 0 2px rgba(118, 75, 162, 0.3);
}

/* Badges */
.badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Status Colors */
.status-active { color: #34d399; background: rgba(52, 211, 153, 0.1); border: 1px solid rgba(52, 211, 153, 0.2); }
.status-expired { color: #f87171; background: rgba(248, 113, 113, 0.1); border: 1px solid rgba(248, 113, 113, 0.2); }

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: rgba(255, 255, 255, 0.3);
}

/* Loaders */
.skeleton {
    background: linear-gradient(90deg, rgba(255,255,255,0.05) 25%, rgba(255,255,255,0.1) 50%, rgba(255,255,255,0.05) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
    border-radius: 8px;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Nav */
nav, header, aside {
    background: rgba(15, 23, 42, 0.8) !important;
    backdrop-filter: blur(20px) !important;
    border-bottom: 1px solid var(--glass-border) !important;
}

/* Table */
table th {
    background: rgba(0,0,0,0.2) !important;
    color: var(--text-secondary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
}
table td {
    border-bottom: 1px solid var(--glass-border);
}
table tr:last-child td {
    border-bottom: none;
}