:root {
    --bg: #0b0f14;
    --card: rgba(16, 24, 32, 0.85);
    --text: #e6f1ff;
    --muted: #9fb2c7;
    --accent: #33f0ff;
}

* {
    box-sizing: border-box;
}

body {
    margin: 0;
    font-family: "Fira Code", "Orbitron", monospace;
    color: var(--text);
    background: radial-gradient(circle at 20% 20%, #0f1a22, #0b0f14 55%, #070a0d);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.container {
    width: min(900px, 92vw);
}

.center-card {
    display: flex;
    align-items: center;
    justify-content: center;
}

.card {
    width: 100%;
    padding: 36px;
    border: 1px solid rgba(51, 240, 255, 0.25);
    background: var(--card);
    backdrop-filter: blur(8px);
    box-shadow: 0 0 30px rgba(51, 240, 255, 0.1);
    border-radius: 16px;
    text-align: center;
}

.card-title {
    font-family: "Orbitron", sans-serif;
    font-size: 2rem;
    margin: 0 0 8px 0;
    letter-spacing: 1px;
}

.muted {
    color: var(--muted);
    margin: 0 0 12px 0;
}

.action-row {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.btn {
    text-decoration: none;
    color: var(--text);
    border: 1px solid rgba(51, 240, 255, 0.5);
    padding: 10px 16px;
    border-radius: 10px;
    background: rgba(7, 12, 18, 0.9);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(51, 240, 255, 0.25);
}