/* プレミアム会員ログイン画面専用スタイル */

body[data-tier="premium"] {
    --accent-color: var(--premium-color);
}

.premium-login-wrapper {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    padding: 2rem;
}

.premium-login-card {
    background: var(--white);
    border-radius: 16px;
    width: 100%;
    max-width: 400px;
    padding: 2.5rem 2rem 1.5rem;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.35);
}

.tier-pill {
    display: inline-block;
    padding: 0.3rem 1.2rem;
    background: var(--premium-color);
    color: var(--primary-color);
    font-weight: 700;
    font-size: 0.75rem;
    border-radius: 50px;
    letter-spacing: 2px;
}

.btn-premium {
    background-color: var(--premium-color);
    border: none;
    color: var(--primary-color);
    font-weight: 700;
    padding: 0.7rem;
    border-radius: 8px;
    transition: var(--transition);
}
.btn-premium:hover {
    filter: brightness(1.05);
    color: var(--primary-color);
    box-shadow: 0 6px 18px rgba(255, 210, 31, 0.4);
}