/* base.css — 全域基礎 + 頁面結構 */

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

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, sans-serif;
    background: #0f0f17;
    color: #e2e8f0;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ── Layout ── */

.auth-container {
    width: 100%;
    max-width: 420px;
    padding: 20px;
}

.auth-header {
    text-align: center;
    margin-bottom: 32px;
}

.auth-header h1 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #f1f5f9;
    margin-bottom: 8px;
}

.auth-header p {
    font-size: 0.85rem;
    color: #64748b;
}

/* ── Card ── */

.auth-card {
    background: #1a1a2e;
    border: 1px solid #2a2a3e;
    border-radius: 12px;
    padding: 28px 24px;
}

.auth-card h2 {
    font-size: 1.15rem;
    font-weight: 600;
    color: #f1f5f9;
    margin-bottom: 20px;
}

/* ── Responsive ── */

@media (max-width: 480px) {
    .auth-container {
        padding: 16px;
    }

    .auth-card {
        padding: 20px 16px;
    }

    .auth-header h1 {
        font-size: 1.3rem;
    }
}