/* ============================================
   Auth Styles - Modal, Forms, Account Page
   ============================================ */

/* Modal Overlay */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-4);
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal), visibility var(--transition-normal);
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
}

/* Modal Content */
.modal-content {
    background: var(--color-white);
    border-radius: var(--radius-2xl);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    width: 100%;
    max-width: 420px;
    max-height: 90vh;
    overflow-y: auto;
    transform: translateY(20px) scale(0.95);
    transition: transform var(--transition-normal);
}

.modal-overlay.active .modal-content {
    transform: translateY(0) scale(1);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-5) var(--spacing-6);
    border-bottom: 1px solid var(--color-gray-200);
}

.modal-header h2 {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin: 0;
}

.modal-close {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--color-gray-100);
    border-radius: var(--radius-full);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-500);
    transition: background-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
}

.modal-close:hover {
    background-color: var(--color-gray-200);
    color: var(--color-gray-700);
    transform: rotate(90deg);
}

.modal-close svg {
    width: 20px;
    height: 20px;
}

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

/* Auth Forms */
.auth-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-5);
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-2);
}

.form-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-700);
}

.form-input {
    width: 100%;
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-base);
    font-family: inherit;
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    background-color: var(--color-white);
    color: var(--color-gray-900);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 4px rgba(76, 175, 80, 0.15);
}

.form-input::placeholder {
    color: var(--color-gray-400);
}

.form-input.error {
    border-color: #ef4444;
    box-shadow: 0 0 0 4px rgba(239, 68, 68, 0.15);
}

/* Checkbox */
.form-checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-3);
    cursor: pointer;
}

.form-checkbox input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--color-primary);
    cursor: pointer;
    flex-shrink: 0;
    margin-top: 2px;
}

.form-checkbox span {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    line-height: 1.5;
}

.form-checkbox span a {
    color: var(--color-primary-darker);
    text-decoration: none;
    font-weight: var(--font-weight-medium);
}

.form-checkbox span a:hover {
    text-decoration: underline;
}

/* Form Actions */
.form-actions {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
    margin-top: var(--spacing-2);
}

.form-link {
    font-size: var(--font-size-sm);
    color: var(--color-primary-darker);
    text-decoration: none;
    cursor: pointer;
    transition: color var(--transition-fast);
    text-align: center;
}

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

/* Messages */
.form-message {
    padding: var(--spacing-3) var(--spacing-4);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-sm);
    display: none;
}

.form-message.show {
    display: block;
}

.form-message.error {
    background-color: #fef2f2;
    border: 1px solid #fecaca;
    color: #dc2626;
}

.form-message.success {
    background-color: #f0fdf4;
    border: 1px solid #bbf7d0;
    color: #16a34a;
}

/* Button Extensions */
.btn-danger {
    background-color: #dc2626 !important;
    color: white !important;
    border: none !important;
}

.btn-danger:hover {
    background-color: #b91c1c !important;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background-color: transparent;
    border: 2px solid var(--color-gray-300);
    color: var(--color-gray-700);
    padding: var(--spacing-2) var(--spacing-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: rgba(76, 175, 80, 0.05);
}

.btn-outline-danger {
    background-color: transparent;
    border: 2px solid #dc2626;
    color: #dc2626;
}

.btn-outline-danger:hover {
    background-color: #dc2626;
    color: white;
}

.btn-block {
    width: 100%;
}

.btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
}

/* Loading Spinner */
.btn .spinner {
    display: none;
    width: 18px;
    height: 18px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

.btn.loading .spinner {
    display: inline-block;
}

.btn.loading .btn-text {
    visibility: hidden;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* Auth Footer */
.auth-footer {
    text-align: center;
    padding-top: var(--spacing-5);
    border-top: 1px solid var(--color-gray-200);
    margin-top: var(--spacing-5);
}

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

.auth-footer .form-link {
    font-weight: var(--font-weight-semibold);
}

/* ============================================
   Header Auth Buttons
   ============================================ */
.header-auth {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

#sign-in-btn {
    background-color: transparent;
    border: 2px solid var(--color-gray-300);
    color: var(--color-gray-700);
    padding: var(--spacing-2) var(--spacing-5);
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
}

#sign-in-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background-color: rgba(76, 175, 80, 0.05);
}

.header-auth .btn-primary {
    white-space: nowrap;
}

/* Header User Menu */
.header-user-menu {
    position: relative;
}

.header-user-btn {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    padding: var(--spacing-2) var(--spacing-3);
    background: transparent;
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-full);
    cursor: pointer;
    transition: background-color var(--transition-fast), border-color var(--transition-fast);
}

.header-user-btn:hover {
    background-color: var(--color-gray-50);
    border-color: var(--color-gray-400);
}

.header-user-avatar {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
}

.header-user-dropdown {
    position: absolute;
    top: calc(100% + 8px);
    right: 0;
    min-width: 220px;
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
    border: 1px solid var(--color-gray-200);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity var(--transition-fast), visibility var(--transition-fast), transform var(--transition-fast);
    z-index: 100;
    overflow: hidden;
}

.header-user-menu.open .header-user-dropdown {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
    padding: var(--spacing-3) var(--spacing-4);
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    text-decoration: none;
    transition: background-color var(--transition-fast);
    cursor: pointer;
    border: none;
    background: none;
    width: 100%;
    text-align: left;
}

.dropdown-item:hover {
    background-color: var(--color-gray-100);
}

.dropdown-item svg {
    width: 18px;
    height: 18px;
    color: var(--color-gray-500);
}

.dropdown-divider {
    height: 1px;
    background-color: var(--color-gray-200);
    margin: var(--spacing-2) 0;
}

/* ============================================
   Account Page Styles
   ============================================ */

.account-page {
    padding-top: calc(var(--header-height) + var(--spacing-8));
    padding-bottom: var(--spacing-12);
    min-height: 100vh;
    background-color: var(--color-gray-100);
}

.account-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 var(--spacing-4);
}

.account-header {
    margin-bottom: var(--spacing-8);
}

.account-header h1 {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-gray-900);
    margin: 0 0 var(--spacing-2) 0;
}

.account-header p {
    font-size: var(--font-size-base);
    color: var(--color-gray-600);
    margin: 0;
}

/* Account Cards */
.account-card {
    background: var(--color-white);
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--spacing-6);
    overflow: hidden;
}

.account-card-header {
    padding: var(--spacing-5) var(--spacing-6);
    border-bottom: 1px solid var(--color-gray-200);
}

.account-card-header h2 {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--spacing-3);
}

.account-card-header h2 svg {
    width: 22px;
    height: 22px;
    color: var(--color-primary);
}

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

/* Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-6);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-1);
}

.info-label {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
    font-weight: var(--font-weight-medium);
}

.info-value {
    font-size: var(--font-size-base);
    color: var(--color-gray-900);
    font-weight: var(--font-weight-medium);
}

.info-value.verified {
    display: flex;
    align-items: center;
    gap: var(--spacing-2);
    color: var(--color-primary-dark);
}

.info-value.verified svg {
    width: 18px;
    height: 18px;
}

/* Action List */
.action-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-4);
}

.action-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--spacing-4);
    background-color: var(--color-gray-50);
    border-radius: var(--radius-lg);
}

.action-info h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-medium);
    color: var(--color-gray-900);
    margin: 0 0 var(--spacing-1) 0;
}

.action-info p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin: 0;
}

.action-item .btn {
    flex-shrink: 0;
}

/* Danger Zone */
.danger-zone {
    border: 1px solid #fecaca;
    background-color: #fef2f2;
}

.danger-zone .account-card-header {
    background-color: #fee2e2;
    border-bottom-color: #fecaca;
}

.danger-zone .account-card-header h2 {
    color: #dc2626;
}

.danger-zone .account-card-header h2 svg {
    color: #dc2626;
}

.danger-warning {
    display: flex;
    gap: var(--spacing-4);
    padding: var(--spacing-4);
    background-color: white;
    border-radius: var(--radius-lg);
    margin-bottom: var(--spacing-4);
}

.danger-warning svg {
    width: 24px;
    height: 24px;
    color: #dc2626;
    flex-shrink: 0;
}

.danger-warning-content h3 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-semibold);
    color: var(--color-gray-900);
    margin: 0 0 var(--spacing-2) 0;
}

.danger-warning-content p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    margin: 0;
}

.danger-warning-content ul {
    margin: var(--spacing-2) 0 0 0;
    padding-left: var(--spacing-5);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.danger-warning-content li {
    margin-bottom: var(--spacing-1);
}

/* Delete Confirmation Modal */
.delete-confirm-input {
    margin-top: var(--spacing-4);
}

.delete-confirm-input .form-input {
    border-color: #fecaca;
}

.delete-confirm-input .form-input:focus {
    border-color: #dc2626;
    box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.15);
}

/* ============================================
   Responsive Styles
   ============================================ */
@media (max-width: 640px) {
    .account-header h1 {
        font-size: var(--font-size-2xl);
    }

    .account-card-header,
    .account-card-body {
        padding: var(--spacing-4);
    }

    .action-item {
        flex-direction: column;
        align-items: flex-start;
        gap: var(--spacing-3);
    }

    .action-item .btn {
        width: 100%;
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-4);
    }

    .modal-content {
        margin: var(--spacing-4);
        border-radius: var(--radius-xl);
    }

    .modal-header,
    .modal-body {
        padding: var(--spacing-4);
    }

    .header-auth {
        gap: var(--spacing-2);
    }

    #sign-in-btn {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }

    .header-auth .btn-primary {
        padding: var(--spacing-2) var(--spacing-3);
        font-size: var(--font-size-xs);
    }
}