:root {
    --primary-blue: #1e40af;
    --secondary-blue: #3b82f6;
    --dark-blue: #0f172a;
    --light-blue: #e0f2fe;
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    background-color: var(--dark-blue);
    color: var(--text-primary);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.background-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9), rgba(30, 41, 59, 0.8)), 
                url('background.png') no-repeat center center / cover;
    z-index: -1;
    filter: blur(5px);
    transform: scale(1.1);
}

.container {
    padding: 20px;
    width: 100%;
    max-width: 600px;
}

.card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 48px;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    position: relative;
}

.icon-wrapper {
    margin-bottom: 24px;
    display: inline-flex;
    padding: 16px;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    color: var(--secondary-blue);
    animation: pulse 3s infinite ease-in-out;
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 16px;
    background: linear-gradient(to right, #60a5fa, #3b82f6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    letter-spacing: -0.02em;
}

.message {
    font-size: 1.125rem;
    line-height: 1.6;
    color: var(--text-primary);
    margin-bottom: 24px;
}

.divider {
    height: 1px;
    background: linear-gradient(to right, transparent, var(--glass-border), transparent);
    margin: 32px 0;
}

.sub-message {
    font-size: 1rem;
    line-height: 1.6;
    color: var(--text-secondary);
}

.footer {
    margin-top: 48px;
    font-size: 0.875rem;
    color: var(--text-secondary);
    opacity: 0.6;
}

/* Animations */
.fade-in {
    animation: fadeIn 1.2s ease-out forwards;
}

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

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Responsive */
@media (max-width: 640px) {
    .card {
        padding: 32px 24px;
    }
    
    h1 {
        font-size: 1.75rem;
    }
}
