.auth-card {
    max-width: 480px;
    margin: 3rem auto;
    background: var(--surface);
    backdrop-filter: blur(var(--glass-blur-strong)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur-strong)) saturate(var(--glass-saturate));
    border-radius: 8px;
    padding: 2rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--panel-shadow), var(--glass-highlight), var(--glass-outline);
}

.auth-title {
    font-family: "Noto Serif SC", serif;
    font-size: 2rem;
    text-align: center;
    margin-bottom: 1.5rem;
}

.input-group {
    margin-bottom: 1.2rem;
}

.input-group input {
    width: 100%;
    padding: 0.9rem 1.2rem;
    background: var(--input-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    border: 1px solid var(--border-light);
    border-radius: 60px;
    font-size: 1rem;
    color: var(--text-primary);
    box-shadow: var(--glass-highlight), var(--glass-outline);
}

.email-code-group {
    display: flex;
    align-items: stretch;
    gap: 0.75rem;
}

.email-code-group input {
    flex: 1;
    min-width: 0;
}

.auth-btn {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    background: linear-gradient(90deg, var(--accent-gold), #b8863b);
    border: none;
    color: #1f1b14;
    padding: 0.8rem;
    border-radius: 60px;
    font-weight: bold;
    cursor: pointer;
    box-shadow: 0 14px 28px -18px rgba(201, 160, 61, 0.72), var(--glass-highlight);
}

button.secondary-auth-btn,
button.auth-link-btn {
    -webkit-appearance: none;
    appearance: none;
    box-sizing: border-box;
    margin: 0;
    outline: none;
    color: var(--text-primary);
    cursor: pointer;
    font: inherit;
}

button.secondary-auth-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 120px;
    padding: 0.8rem 1rem;
    border-radius: 60px;
    border: 1px solid var(--border-light);
    background: var(--input-bg);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    white-space: nowrap;
    transition: border-color 0.18s ease, color 0.18s ease, background 0.18s ease, transform 0.18s ease;
    box-shadow: var(--glass-highlight), var(--glass-outline);
}

.auth-helper-row {
    display: flex;
    justify-content: flex-end;
    margin-top: 0.9rem;
}

button.auth-link-btn {
    display: inline-flex;
    align-items: center;
    border: 0;
    background: transparent;
    color: var(--accent-gold);
    padding: 0;
    line-height: 1.4;
    transition: color 0.18s ease, opacity 0.18s ease;
}

button.secondary-auth-btn:hover,
button.secondary-auth-btn:focus-visible {
    border-color: var(--accent-gold);
    color: var(--accent-gold);
    background: var(--sidebar-card-hover, var(--input-bg));
    transform: translateY(-1px);
}

button.auth-link-btn:hover,
button.auth-link-btn:focus-visible {
    color: #d69f49;
    text-decoration: underline;
}

button.secondary-auth-btn:disabled {
    opacity: 0.72;
    cursor: wait;
    transform: none;
}

.switch-auth {
    display: block;
    text-align: center;
    margin-top: 1.5rem;
    color: var(--accent-gold);
    cursor: pointer;
}

.consent-box {
    margin-top: 1rem;
    padding: 0.9rem 1rem;
    border-radius: 16px;
    border: 1px solid var(--border-light);
    background: var(--surface);
    backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
    box-shadow: var(--glass-highlight), var(--glass-outline);
}

.consent-label {
    display: flex;
    align-items: flex-start;
    gap: 0.7rem;
    color: var(--text-secondary);
    line-height: 1.7;
}

.consent-label input {
    margin-top: 0.25rem;
    flex: 0 0 auto;
}

.consent-label a,
.site-footer a,
.legal-back-link {
    color: var(--accent-gold);
    text-decoration: none;
}

.site-footer {
    margin-top: auto;
    padding: 1.25rem 0 0.2rem;
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.92rem;
    line-height: 1.8;
}

.site-footer-links {
    display: inline-flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 0.9rem;
    margin-top: 0.35rem;
}

.legal-card {
    max-width: 860px;
}

.legal-content {
    color: var(--text-secondary);
    line-height: 1.9;
}

.legal-content h3 {
    margin-top: 1.2rem;
    color: var(--text-primary);
    font-family: "Noto Serif SC", serif;
}

.legal-content p {
    margin-top: 0.55rem;
}

.legal-back-row {
    display: flex;
    justify-content: center;
    margin-top: 1.4rem;
}

.legal-back-link {
    min-width: 180px;
    justify-content: center;
}

@media (max-width: 680px) {
    .auth-card {
        width: 100%;
        margin: 1.5rem auto;
        padding: 1.35rem;
    }

    .auth-title {
        font-size: 1.55rem;
    }

    .input-group input,
    .auth-btn,
    .secondary-auth-btn {
        min-height: 46px;
        font-size: 16px;
    }

    .email-code-group {
        flex-direction: column;
    }

    .secondary-auth-btn {
        width: 100%;
    }

    .consent-label {
        font-size: 0.94rem;
    }
}