:root {
    --bg-color: #0c0d12;
    --card-bg: rgba(255, 255, 255, 0.05);
    --card-border: rgba(255, 255, 255, 0.1);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --accent-green: #10b981;
    --accent-red: #ef4444;
    --accent-blue: #3b82f6;
    --glass-blur: blur(12px);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}

body {
    background-color: var(--bg-color);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 2rem;
    overflow-x: hidden;
}

/* Background Gradients */
body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 10% 20%, rgba(59, 130, 246, 0.1) 0%, transparent 40%),
        radial-gradient(circle at 90% 80%, rgba(16, 185, 129, 0.1) 0%, transparent 40%);
    pointer-events: none;
    z-index: -1;
}

header {
    text-align: center;
    margin-bottom: 3rem;
    animation: fadeInDown 0.8s ease-out;
}

h1 {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(to right, #fff, #94a3b8);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.dashboard {
    width: 100%;
    max-width: 1200px;
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.5rem;
    animation: fadeInUp 0.8s ease-out;
}

.site-card {
    background: var(--card-bg);
    border: 1px solid var(--card-border);
    backdrop-filter: var(--glass-blur);
    border-radius: 20px;
    padding: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    cursor: default;
}

.site-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.site-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255,255,255,0.05) 0%, transparent 50%);
    pointer-events: none;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.site-name {
    font-weight: 700;
    font-size: 1.25rem;
}

.status-badge {
    padding: 0.35rem 0.75rem;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.status-badge.checking {
    background: rgba(59, 130, 246, 0.1);
    color: var(--accent-blue);
    border: 1px solid rgba(59, 130, 246, 0.2);
}

.status-badge.up {
    background: rgba(16, 185, 129, 0.1);
    color: var(--accent-green);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.status-badge.down {
    background: rgba(239, 68, 68, 0.1);
    color: var(--accent-red);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.up .status-dot {
    background-color: var(--accent-green);
    box-shadow: 0 0 10px var(--accent-green);
}

.down .status-dot {
    background-color: var(--accent-red);
    box-shadow: 0 0 10px var(--accent-red);
}

.checking .status-dot {
    background-color: var(--accent-blue);
    animation: pulse 1.5s infinite;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--card-border);
}

.latency {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.site-url {
    font-size: 0.8rem;
    color: var(--text-secondary);
    text-decoration: none;
    transition: color 0.2s;
    max-width: 150px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.site-url:hover {
    color: var(--text-primary);
}

@keyframes pulse {
    0% { transform: scale(0.95); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.5; }
}

@keyframes fadeInDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 640px) {
    body { padding: 1rem; }
    h1 { font-size: 2rem; }
    .dashboard { grid-template-columns: 1fr; }
}