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

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
    background: #ffffff;
    color: #1a1a1a;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero {
    text-align: center;
    padding: 2rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 700;
    letter-spacing: -0.02em;
    color: #1a1a1a;
}

.hero .subtitle {
    margin-top: 0.75rem;
    font-size: clamp(1rem, 2.5vw, 1.5rem);
    font-weight: 400;
    color: #666666;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ── Admin auth forms ────────────────────────────────────────────── */

.auth-card {
    width: 100%;
    max-width: 400px;
    padding: 2.5rem 2rem;
    background: #fff;
    border: 1px solid #e5e5e5;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,.06);
}

.auth-card h1 {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    letter-spacing: -0.02em;
}

.field {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
    margin-bottom: 1.1rem;
}

.field label {
    font-size: 0.875rem;
    font-weight: 500;
    color: #444;
}

.field input {
    padding: 0.55rem 0.75rem;
    border: 1px solid #d1d1d1;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    color: #1a1a1a;
    background: #fafafa;
    transition: border-color 0.15s;
}

.field input:focus {
    outline: none;
    border-color: #1a1a1a;
    background: #fff;
}

.field-error {
    font-size: 0.8rem;
    color: #c0392b;
}

.flash-error {
    margin-bottom: 1rem;
    padding: 0.6rem 0.85rem;
    background: #fdf0ef;
    border: 1px solid #f5c6c2;
    border-radius: 6px;
    color: #c0392b;
    font-size: 0.875rem;
}

.btn {
    display: inline-block;
    width: 100%;
    padding: 0.65rem 1rem;
    margin-top: 0.5rem;
    background: #1a1a1a;
    color: #fff;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    font-weight: 600;
    cursor: pointer;
    text-align: center;
    text-decoration: none;
    transition: background 0.15s;
}

.btn:hover { background: #333; }

.btn-outline {
    background: transparent;
    color: #1a1a1a;
    border: 1px solid #d1d1d1;
}

.btn-outline:hover { background: #f5f5f5; }

.hint {
    margin-top: 1rem;
    font-size: 0.875rem;
    color: #666;
    text-align: center;
}

.hint a { color: #1a1a1a; }

hr {
    border: none;
    border-top: 1px solid #e5e5e5;
    margin: 1.25rem 0;
}