/* ========================================
   Auth Pages Styles (Login, Signup)
   ======================================== */

.auth-container {
    min-height: calc(100vh - var(--navbar-height) - var(--footer-height));
    display: flex;
    align-items: center;
    justify-content: center;
    padding: clamp(0.75rem, 2.5vw, var(--space-lg));
}

.auth-card {
    width: 100%;
    max-width: 400px;
    background-color: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: clamp(1.25rem, 3vw, var(--space-2xl));
}

/* Header */
.auth-header {
    text-align: center;
    margin-bottom: var(--space-xl);
}

.auth-logo {
    margin-bottom: var(--space-md);
}

.auth-logo .logo-icon {
    font-size: clamp(2.2rem, 5vw, 3rem);
    color: var(--color-accent-primary);
    display: inline-block;
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}

.auth-title {
    font-family: var(--font-display);
    font-size: clamp(0.95rem, 1.6vw, 1.15rem);
    letter-spacing: -0.02em;
    margin-bottom: var(--space-sm);
}

.auth-subtitle {
    color: var(--color-text-secondary);
    font-size: clamp(0.7rem, 1.1vw, 0.85rem);
    margin-bottom: 0;
}

.auth-card .form-input {
    font-size: 16px; /* Prevent iOS zoom on focus */
    font-family: var(--font-body);
}

/* Form */
.auth-form {
    margin-bottom: var(--space-lg);
}

.auth-form .form-group {
    margin-bottom: var(--space-md);
}

.auth-form .btn-block {
    margin-top: var(--space-lg);
}

.auth-form .btn-loading {
    display: inline-flex;
    align-items: center;
}

.auth-form .form-inline {
    display: grid;
    gap: var(--space-sm);
}

.checkbox-label {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 16px;
    height: 16px;
    accent-color: var(--color-accent-primary);
}

.form-hint {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Form Error (Global) */
#form-error:not(:empty) {
    padding: var(--space-md);
    background-color: rgba(192, 57, 43, 0.1);
    border: 1px solid var(--color-accent-error);
    border-radius: var(--radius-md);
    color: var(--color-accent-error);
    font-size: 0.875rem;
    margin-bottom: var(--space-md);
}

/* Links */
.auth-links {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.auth-link {
    color: var(--color-accent-secondary);
    font-size: 0.875rem;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

.auth-divider {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: var(--color-text-muted);
    font-size: 0.75rem;
    margin-bottom: var(--space-lg);
}

.auth-divider::before,
.auth-divider::after {
    content: '';
    flex: 1;
    height: 1px;
    background-color: var(--color-border);
}

.auth-social {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
    margin-bottom: var(--space-lg);
}

/* Social Login Buttons */
.btn-social {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-sm);
    padding: var(--space-md) var(--space-lg);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    transition: all var(--transition-fast);
    border: none;
    cursor: pointer;
}

.btn-social .social-icon {
    flex-shrink: 0;
}

/* 카카오 */
.btn-kakao {
    background-color: #FEE500;
    color: #000000;
}

.btn-kakao:hover {
    background-color: #E6CF00;
    color: #000000;
}

/* 네이버 */
.btn-naver {
    background-color: #03C75A;
    color: #FFFFFF;
}

.btn-naver:hover {
    background-color: #02B350;
    color: #FFFFFF;
}

/* Footer */
.auth-footer {
    text-align: center;
    padding-top: var(--space-lg);
    border-top: 1px solid var(--color-border);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.auth-footer .auth-link {
    margin-left: var(--space-sm);
    font-weight: 500;
}

/* Password Strength */
.password-strength {
    margin-top: var(--space-sm);
}

.strength-bar {
    height: 4px;
    background-color: var(--color-border);
    border-radius: 2px;
    overflow: hidden;
    margin-bottom: var(--space-xs);
}

.strength-fill {
    height: 100%;
    width: 0;
    transition: all var(--transition-normal);
}

.strength-fill.weak {
    width: 33%;
    background-color: var(--color-accent-error);
}

.strength-fill.medium {
    width: 66%;
    background-color: var(--color-accent-warning);
}

.strength-fill.strong {
    width: 100%;
    background-color: var(--color-accent-success);
}

.strength-text {
    font-size: 0.75rem;
    color: var(--color-text-muted);
}

/* Responsive */
@media (max-width: 480px) {
    .auth-card {
        padding: var(--space-lg);
    }

    .auth-title {
        font-size: 1rem;
    }
}