/* Authentication Pages Styles */

.auth-main {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-8) 0;
    background: linear-gradient(135deg, var(--color-gray-50) 0%, var(--color-white) 50%, var(--color-gray-50) 100%);
    position: relative;
}

.auth-main::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 20% 80%, rgba(0, 0, 0, 0.02) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 59, 48, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.auth-container {
    width: 100%;
    max-width: 800px;
    background-color: var(--color-white);
    border-radius: var(--border-radius-xl);
    box-shadow: var(--shadow-xl);
    padding: var(--spacing-8);
    position: relative;
    z-index: 1;
}

.auth-header {
    text-align: center;
    margin-bottom: var(--spacing-8);
}

.auth-header h1 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-2);
    background: linear-gradient(135deg, var(--color-black) 0%, var(--color-gray-600) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-header p {
    color: var(--color-gray-600);
    margin-bottom: 0;
}

/* Form Styles */
.auth-form {
    margin-bottom: var(--spacing-6);
}

.auth-form .form-group {
    margin-bottom: var(--spacing-5);
}

.password-input-wrapper {
    position: relative;
}

.password-toggle {
    position: absolute;
    right: var(--spacing-3);
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-1);
    color: var(--color-gray-400);
    transition: var(--transition);
}

.password-toggle:hover {
    color: var(--color-gray-600);
}

.password-toggle svg {
    width: 20px;
    height: 20px;
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-6);
    font-size: var(--font-size-sm);
}

.forgot-password {
    color: var(--color-gray-600);
    text-decoration: none;
    transition: var(--transition);
}

.forgot-password:hover {
    color: var(--color-black);
    text-decoration: underline;
}

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

/* Divider */
.auth-divider {
    position: relative;
    text-align: center;
    margin: var(--spacing-6) 0;
}

.auth-divider::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background-color: var(--color-gray-200);
}

.auth-divider span {
    background-color: var(--color-white);
    color: var(--color-gray-500);
    padding: 0 var(--spacing-4);
    font-size: var(--font-size-sm);
    position: relative;
    z-index: 1;
}

/* Alternative Actions */
.auth-alternative {
    text-align: center;
    margin-bottom: var(--spacing-4);
}

.auth-alternative p {
    color: var(--color-gray-600);
    margin-bottom: 0;
    font-size: var(--font-size-sm);
}

.auth-link {
    color: var(--color-black);
    font-weight: 500;
    text-decoration: none;
    transition: var(--transition);
}

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

.auth-help {
    text-align: center;
    padding-top: var(--spacing-4);
    border-top: 1px solid var(--color-gray-100);
}

.auth-help p {
    color: var(--color-gray-500);
    margin-bottom: 0;
    font-size: var(--font-size-xs);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    backdrop-filter: blur(4px);
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

.modal-content {
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-xl);
    max-width: 400px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s ease-out;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-6) var(--spacing-6) var(--spacing-4);
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-header h3 {
    margin: 0;
    font-size: var(--font-size-xl);
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    font-size: var(--font-size-2xl);
    color: var(--color-gray-400);
    cursor: pointer;
    padding: 0;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.modal-close:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-600);
}

.modal-body {
    padding: var(--spacing-6);
}

.modal-body p {
    margin-bottom: var(--spacing-4);
    color: var(--color-gray-600);
}

.modal-actions {
    display: flex;
    gap: var(--spacing-3);
    justify-content: flex-end;
    margin-top: var(--spacing-6);
}

/* Checkbox Styles for Auth Pages */
.auth-form .checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.auth-form .checkbox-label input[type="checkbox"] {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.auth-form .checkmark {
    width: 16px;
    height: 16px;
    border: 2px solid var(--color-gray-300);
    border-radius: 3px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    flex-shrink: 0;
}

.auth-form .checkbox-label input[type="checkbox"]:checked + .checkmark {
    background-color: var(--color-black);
    border-color: var(--color-black);
}

.auth-form .checkbox-label input[type="checkbox"]:checked + .checkmark::after {
    content: '✓';
    color: var(--color-white);
    font-size: 10px;
    font-weight: bold;
}

/* Loading States */
.btn.loading {
    position: relative;
    color: transparent;
    pointer-events: none;
}

.btn.loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top: 2px solid currentColor;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    color: var(--color-white);
}

.btn-secondary.loading::after {
    color: var(--color-black);
}

@keyframes spin {
    0% {
        transform: translate(-50%, -50%) rotate(0deg);
    }
    100% {
        transform: translate(-50%, -50%) rotate(360deg);
    }
}

/* Error States */
.form-input.error {
    border-color: var(--color-red);
    box-shadow: 0 0 0 3px rgba(255, 59, 48, 0.1);
}

.form-error {
    color: var(--color-red);
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-1);
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.form-error::before {
    content: '⚠';
    font-size: var(--font-size-sm);
}

/* Success States */
.form-success {
    color: #28ca42;
    font-size: var(--font-size-xs);
    margin-top: var(--spacing-1);
    display: flex;
    align-items: center;
    gap: var(--spacing-1);
}

.form-success::before {
    content: '✓';
    font-size: var(--font-size-sm);
    font-weight: bold;
}

/* Notification Styles */
.notification {
    position: fixed;
    top: var(--spacing-6);
    right: var(--spacing-6);
    max-width: 400px;
    background-color: var(--color-white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    border-left: 4px solid var(--color-black);
    z-index: 1001;
    animation: slideInRight 0.3s ease-out;
}

.notification-error {
    border-left-color: var(--color-red);
}

.notification-success {
    border-left-color: #28ca42;
}

.notification-warning {
    border-left-color: #ffbd2e;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(100%);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.notification-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    padding: var(--spacing-4);
    gap: var(--spacing-3);
}

.notification-close {
    background: none;
    border: none;
    color: var(--color-gray-400);
    cursor: pointer;
    font-size: var(--font-size-lg);
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--border-radius);
    transition: var(--transition);
    flex-shrink: 0;
}

.notification-close:hover {
    background-color: var(--color-gray-100);
    color: var(--color-gray-600);
}

/* Responsive Design */
@media (max-width: 768px) {
    .auth-main {
        padding: var(--spacing-4);
    }
    
    .auth-container {
        padding: var(--spacing-6);
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-3);
    }
    
    .modal-content {
        width: 95%;
    }
    
    .modal-actions {
        flex-direction: column;
    }
    
    .modal-actions .btn {
        width: 100%;
    }
    
    .notification {
        top: var(--spacing-4);
        right: var(--spacing-4);
        left: var(--spacing-4);
        max-width: none;
    }
}

@media (max-width: 480px) {
    .auth-header h1 {
        font-size: var(--font-size-2xl);
    }
    
    .auth-container {
        padding: var(--spacing-4);
    }
}

/* Focus States */
.form-input:focus {
    outline: none;
    border-color: var(--color-black);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.btn-secondary:focus {
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
    .auth-container {
        border: 2px solid var(--color-black);
    }
    
    .form-input {
        border-width: 2px;
    }
    
    .btn {
        border-width: 2px;
    }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
    .modal-content,
    .notification,
    .form-step {
        animation: none;
    }
    
    .btn,
    .form-input,
    .auth-link {
        transition: none;
    }
}