/* ========== 認證頁面 (登入/註冊) ========== */
.auth-page {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: var(--cream);
}

.auth-card {
    width: 100%;
    max-width: 420px;
    background: white;
    border-radius: 16px;
    box-shadow: var(--soft-shadow);
    border: 1px solid rgba(125, 155, 118, 0.15);
    padding: 2.5rem 2rem;
    animation: fadeIn 0.4s ease-in-out;
}

.auth-title {
    font-family: "Outfit", sans-serif;
    font-weight: 600;
    font-size: 1.75rem;
    color: var(--forest);
    text-align: center;
    margin-bottom: 0.5rem;
    letter-spacing: -0.02em;
}

.auth-subtitle {
    font-size: 1rem;
    color: var(--charcoal);
    text-align: center;
    opacity: 0.75;
    margin-bottom: 1.75rem;
    font-weight: 500;
}

.auth-errors {
    list-style: none;
    margin-bottom: 1.5rem;
    padding: 0;
}

.auth-errors li {
    background: rgba(201, 123, 92, 0.15);
    color: var(--terracotta);
    padding: 0.75rem 1rem;
    border-radius: 10px;
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
    border-left: 3px solid var(--terracotta);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}

.auth-form label {
    display: block;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--charcoal);
    margin-bottom: 0.4rem;
}

.auth-form input {
    width: 100%;
    padding: 0.75rem 1rem;
    font-size: 0.95rem;
    font-family: inherit;
    border: 1px solid rgba(125, 155, 118, 0.3);
    border-radius: 10px;
    background: var(--cream);
    color: var(--charcoal);
    transition: border-color 0.2s, box-shadow 0.2s;
}

.auth-form input:focus {
    outline: none;
    border-color: var(--sage);
    box-shadow: 0 0 0 3px rgba(125, 155, 118, 0.1);
}

.auth-form input::placeholder {
    color: var(--charcoal);
    opacity: 0.5;
}

.auth-link {
    text-align: center;
    font-size: 0.9rem;
    color: var(--charcoal);
    margin-top: 1.5rem;
}

.auth-link a {
    color: var(--sage);
    font-weight: 600;
    text-decoration: none;
    transition: color 0.2s;
}

.auth-link a:hover {
    color: var(--forest);
    text-decoration: underline;
}