/* Authentication Pages - Premium Design */

.auth-container {
    position: relative;
    z-index: 1;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
    gap: var(--spacing-xl);
}

.auth-card {
    width: 100%;
    max-width: 480px;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--glass-shadow);
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.brand-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.auth-title {
    font-size: 32px;
    margin-bottom: var(--spacing-sm);
}

.auth-subtitle {
    color: var(--color-text-secondary);
    font-size: 16px;
}

.auth-form {
    margin-bottom: var(--spacing-lg);
}

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

.form-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--color-text-secondary);
}

.form-input {
    width: 100%;
    padding: 14px 16px;
    background: var(--color-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: 16px;
    transition: all var(--transition-base);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(99, 102, 241, 0.1);
}

.form-hint {
    display: block;
    font-size: 12px;
    color: var(--color-text-tertiary);
    margin-top: 4px;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: 14px;
    color: var(--color-text-secondary);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
}

.link-primary {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: color var(--transition-fast);
}

.link-primary:hover {
    color: var(--color-primary-dark);
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.auth-divider {
    position: relative;
    text-align: center;
    margin: var(--spacing-lg) 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--glass-border);
}

.auth-divider span {
    position: relative;
    background: var(--color-bg-primary);
    padding: 0 var(--spacing-md);
    font-size: 14px;
    color: var(--color-text-tertiary);
}

.social-login {
    display: flex;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.btn-social {
    flex: 1;
    padding: 14px;
    background: var(--color-surface);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    color: var(--color-text-primary);
    font-size: 20px;
    cursor: pointer;
    transition: all var(--transition-base);
}

.btn-social:hover {
    background: var(--color-surface-hover);
    border-color: var(--color-primary);
    transform: translateY(-2px);
}

.auth-footer {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--glass-border);
    color: var(--color-text-secondary);
}

.auth-features {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 400px;
}

.feature-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.feature-icon {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    box-shadow: 0 8px 24px rgba(99, 102, 241, 0.3);
}

.feature-item h3 {
    font-size: 20px;
    font-weight: 700;
}

.feature-item p {
    color: var(--color-text-secondary);
    font-size: 14px;
}

.alert {
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.alert-error {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--color-danger);
}

@media (max-width: 1024px) {
    .auth-container {
        flex-direction: column;
    }
    
    .auth-features {
        max-width: 100%;
    }
}


/* ============================================
   AUTH PAGES - RESPONSIVE DESIGN
   ============================================ */

/* Tablets (768px - 1023px) */
@media (max-width: 1023px) {
    .auth-container {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-lg);
    }
    
    .auth-card {
        max-width: 100%;
        padding: var(--spacing-lg);
    }
    
    .auth-features {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
        max-width: 100%;
    }
    
    .feature-item {
        flex: 1;
        min-width: 200px;
        max-width: 250px;
        text-align: center;
        align-items: center;
    }
}

/* Small Tablets / Large Phones (600px - 767px) */
@media (max-width: 767px) {
    .auth-container {
        padding: var(--spacing-sm);
        min-height: 100vh;
        justify-content: flex-start;
        padding-top: var(--spacing-lg);
    }
    
    .auth-card {
        padding: var(--spacing-md);
        border-radius: var(--radius-lg);
    }
    
    .auth-title {
        font-size: 26px;
    }
    
    .auth-subtitle {
        font-size: 14px;
    }
    
    .brand-logo {
        margin-bottom: var(--spacing-md);
    }
    
    .brand-icon {
        width: 40px;
        height: 40px;
        font-size: 20px;
    }
    
    .brand-text {
        font-size: 20px;
    }
    
    .form-input {
        padding: 12px 14px;
        font-size: 16px; /* Prevents zoom on iOS */
    }
    
    .form-options {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .btn-primary, .btn-secondary {
        padding: 14px 20px;
        font-size: 15px;
    }
    
    .social-login {
        gap: var(--spacing-xs);
    }
    
    .btn-social {
        padding: 12px;
        font-size: 18px;
    }
    
    .auth-features {
        display: none; /* Hide features on mobile to save space */
    }
    
    .feature-icon {
        width: 48px;
        height: 48px;
        font-size: 20px;
    }
    
    .feature-item h3 {
        font-size: 16px;
    }
    
    .feature-item p {
        font-size: 13px;
    }
}

/* Extra Small Phones (< 480px) */
@media (max-width: 479px) {
    .auth-container {
        padding: var(--spacing-xs);
        padding-top: var(--spacing-md);
    }
    
    .auth-card {
        padding: var(--spacing-sm);
        border-radius: var(--radius-md);
    }
    
    .auth-header {
        margin-bottom: var(--spacing-md);
    }
    
    .auth-title {
        font-size: 22px;
    }
    
    .auth-subtitle {
        font-size: 13px;
    }
    
    .brand-icon {
        width: 36px;
        height: 36px;
        font-size: 18px;
    }
    
    .brand-text {
        font-size: 18px;
    }
    
    .form-label {
        font-size: 13px;
    }
    
    .form-input {
        padding: 10px 12px;
    }
    
    .checkbox-label {
        font-size: 13px;
    }
    
    .link-primary {
        font-size: 13px;
    }
    
    .btn-primary {
        padding: 12px 16px;
        font-size: 14px;
    }
    
    .btn-social {
        padding: 10px;
        font-size: 16px;
    }
    
    .auth-divider span {
        font-size: 12px;
    }
    
    .auth-footer {
        font-size: 13px;
    }
    
    .alert {
        padding: var(--spacing-sm);
        font-size: 13px;
    }
}

/* Landscape Mode for Phones */
@media (max-height: 600px) and (orientation: landscape) {
    .auth-container {
        flex-direction: row;
        align-items: flex-start;
        padding-top: var(--spacing-sm);
    }
    
    .auth-card {
        max-width: 400px;
        max-height: 90vh;
        overflow-y: auto;
    }
    
    .auth-features {
        display: flex;
        flex-direction: column;
        gap: var(--spacing-sm);
    }
    
    .feature-item {
        flex-direction: row;
        text-align: left;
        align-items: center;
    }
    
    .feature-icon {
        width: 40px;
        height: 40px;
        font-size: 18px;
        flex-shrink: 0;
    }
}

/* Touch Device Optimizations */
@media (hover: none) and (pointer: coarse) {
    .form-input,
    .btn-primary,
    .btn-secondary,
    .btn-social {
        min-height: 48px;
    }
    
    .checkbox-label input[type="checkbox"] {
        width: 22px;
        height: 22px;
    }
    
    .btn-social:hover {
        transform: none;
    }
}

/* Safe Area for Notched Phones */
@supports (padding: max(0px)) {
    .auth-container {
        padding-left: max(var(--spacing-sm), env(safe-area-inset-left));
        padding-right: max(var(--spacing-sm), env(safe-area-inset-right));
        padding-bottom: max(var(--spacing-sm), env(safe-area-inset-bottom));
    }
}