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

body {
    min-height: 100vh;
    background: radial-gradient(circle at top, #1e1e26, #0f0f14);
    color: #e6e6eb;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
    display: flex;
    flex-direction: column;
}

/* LAYOUT */
.container {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
}

.card {
    max-width: 520px;
    padding: 40px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.04);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(255, 255, 255, 0.08);
    text-align: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
}

/* TYPO */
h1 {
    font-size: 1.8rem;
    margin-bottom: 16px;
    letter-spacing: 0.5px;
}

.subtitle {
    font-size: 1rem;
    opacity: 0.85;
    margin-bottom: 24px;
    line-height: 1.6;
}

.hint {
    font-size: 0.9rem;
    opacity: 0.6;
    font-style: italic;
}

/* FOOTER */
footer {
    text-align: center;
    padding: 16px;
    font-size: 0.75rem;
    opacity: 0.4;
}