@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;600;700&display=swap');

:root {
    --bg-color: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --text-primary: #f8fafc;
    --text-secondary: #94a3b8;
    --accent-color: #ef4444; /* Red for alert */
    --accent-glow: rgba(239, 68, 68, 0.5);
    --border-color: rgba(255, 255, 255, 0.1);
}

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

body {
    font-family: 'Outfit', sans-serif;
    background-color: var(--bg-color);
    background-image: 
        radial-gradient(at 0% 0%, rgba(239, 68, 68, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(56, 189, 248, 0.1) 0px, transparent 50%);
    color: var(--text-primary);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.container {
    padding: 2rem;
    width: 100%;
    max-width: 600px;
}

.card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 3rem 2rem;
    text-align: center;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 0.8s ease-out forwards;
    position: relative;
    overflow: hidden;
}

.card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, transparent, var(--accent-color), transparent);
}

.icon-container {
    margin-bottom: 1.5rem;
    display: inline-flex;
    padding: 1rem;
    border-radius: 50%;
    background: rgba(239, 68, 68, 0.1);
    box-shadow: 0 0 20px var(--accent-glow);
    animation: pulse 2s infinite;
}

.icon-container svg {
    width: 48px;
    height: 48px;
    stroke: var(--accent-color);
}

h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(to right, #fff, #cbd5e1);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    background: var(--accent-color);
    color: white;
    padding: 0.8rem 2rem;
    border-radius: 12px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.btn:hover {
    background: transparent;
    border-color: var(--accent-color);
    color: var(--accent-color);
    box-shadow: 0 0 15px var(--accent-glow);
    transform: translateY(-2px);
}

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

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
    }
    70% {
        box-shadow: 0 0 0 15px rgba(239, 68, 68, 0);
    }
    100% {
        box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
    }
}

@media (max-width: 640px) {
    .container {
        padding: 1rem;
    }
    
    h1 {
        font-size: 2rem;
    }
    
    .card {
        padding: 2rem 1.5rem;
    }
}