/* Profile Sidebar Styles */
/* Modern, responsive sidebar with smooth animations and WCAG 2.1 AA compliance */

/* ==========================================
   CSS Variables for Theme Consistency
   ========================================== */
:root {
    --sidebar-width: 400px;
    --sidebar-width-mobile: 100%;
    --sidebar-bg: #ffffff;
    --sidebar-bg-dark: #1f2937;
    --sidebar-shadow: 0 0 50px rgba(0, 0, 0, 0.15);
    --overlay-bg: rgba(0, 0, 0, 0.5);
    --primary-color: #3b82f6;
    --primary-hover: #2563eb;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --text-primary: #111827;
    --text-secondary: #6b7280;
    --text-primary-dark: #f9fafb;
    --text-secondary-dark: #9ca3af;
    --border-color: #e5e7eb;
    --border-color-dark: #374151;
    --transition-fast: 150ms;
    --transition-normal: 300ms;
    --transition-slow: 500ms;
}

/* ==========================================
   Overlay Styles
   ========================================== */
.profile-sidebar-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--overlay-bg);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    z-index: 9998;
    opacity: 0;
    visibility: hidden;
    transition: opacity var(--transition-normal) ease, 
                visibility var(--transition-normal) ease;
    cursor: pointer;
}

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

/* ==========================================
   Sidebar Container
   ========================================== */
.profile-sidebar {
    position: fixed;
    top: 0;
    right: 0;
    width: var(--sidebar-width);
    max-width: var(--sidebar-width-mobile);
    height: 100vh;
    height: 100dvh; /* Dynamic viewport height for mobile */
    background: var(--sidebar-bg);
    box-shadow: var(--sidebar-shadow);
    z-index: 9999;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform var(--transition-normal) cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.profile-sidebar.active {
    transform: translateX(0);
}

/* Dark mode support */
.dark .profile-sidebar {
    background: var(--sidebar-bg-dark);
    border-left: 1px solid var(--border-color-dark);
}

/* Mobile responsiveness */
@media (max-width: 480px) {
    .profile-sidebar {
        width: 100%;
    }
}

@media (min-width: 481px) and (max-width: 768px) {
    .profile-sidebar {
        width: 380px;
    }
}

/* ==========================================
   Sidebar Header
   ========================================== */
.profile-sidebar-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    flex-shrink: 0;
}

.dark .profile-sidebar-header {
    border-bottom-color: var(--border-color-dark);
}

.profile-sidebar-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 18px;
    font-weight: 600;
    color: #ffffff;
    margin: 0;
}

.profile-sidebar-title .material-icons {
    font-size: 24px;
}

.profile-sidebar-close {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    border: none;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    color: #ffffff;
    cursor: pointer;
    transition: background var(--transition-fast) ease, 
                transform var(--transition-fast) ease;
}

.profile-sidebar-close:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: rotate(90deg);
}

.profile-sidebar-close:focus {
    outline: 2px solid #ffffff;
    outline-offset: 2px;
}

.profile-sidebar-close .material-icons {
    font-size: 20px;
}

/* ==========================================
   Loading State
   ========================================== */
.profile-sidebar-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 16px;
    color: var(--text-secondary);
}

.dark .profile-sidebar-loading {
    color: var(--text-secondary-dark);
}

.loading-spinner .material-icons {
    font-size: 32px;
    color: var(--primary-color);
}

.rotating {
    animation: rotate 1s linear infinite;
}

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

/* ==========================================
   Error State
   ========================================== */
.profile-sidebar-error {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 12px;
    padding: 20px;
    text-align: center;
}

.profile-sidebar-error .material-icons {
    font-size: 48px;
}

.retry-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    background: var(--primary-color);
    color: #ffffff;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: background var(--transition-fast) ease;
}

.retry-btn:hover {
    background: var(--primary-hover);
}

.retry-btn .material-icons {
    font-size: 18px;
}

/* ==========================================
   Content Container
   ========================================== */
.profile-sidebar-content {
    flex: 1;
    overflow-y: auto;
    padding: 0;
    scrollbar-width: thin;
    scrollbar-color: var(--border-color) transparent;
}

.profile-sidebar-content::-webkit-scrollbar {
    width: 6px;
}

.profile-sidebar-content::-webkit-scrollbar-track {
    background: transparent;
}

.profile-sidebar-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 3px;
}

.dark .profile-sidebar-content::-webkit-scrollbar-thumb {
    background: var(--border-color-dark);
}

/* ==========================================
   Guest Welcome Section
   ========================================== */
.guest-welcome {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 32px 20px;
    text-align: center;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.dark .guest-welcome {
    background: linear-gradient(135deg, #1e3a5f 0%, #1e40af30 100%);
}

.guest-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    margin-bottom: 16px;
}

.guest-avatar .material-icons {
    font-size: 40px;
    color: #ffffff;
}

.guest-welcome h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 8px 0;
}

.dark .guest-welcome h3 {
    color: var(--text-primary-dark);
}

.guest-welcome p {
    font-size: 14px;
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.dark .guest-welcome p {
    color: var(--text-secondary-dark);
}

/* ==========================================
   Sidebar Sections
   ========================================== */
.sidebar-section {
    padding: 20px;
    border-bottom: 1px solid var(--border-color);
}

.dark .sidebar-section {
    border-bottom-color: var(--border-color-dark);
}

.sidebar-section:last-of-type {
    border-bottom: none;
}

.section-title {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 16px 0;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.dark .section-title {
    color: var(--text-primary-dark);
}

.section-title .material-icons {
    font-size: 18px;
    color: var(--primary-color);
}

.subsection-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    margin: 20px 0 12px 0;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
}

.dark .subsection-title {
    color: var(--text-secondary-dark);
    border-top-color: var(--border-color-dark);
}

/* ==========================================
   Social Login Buttons
   ========================================== */
.social-login-container {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.social-login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: #ffffff;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all var(--transition-fast) ease;
    position: relative;
}

.dark .social-login-btn {
    background: var(--sidebar-bg-dark);
    border-color: var(--border-color-dark);
    color: var(--text-primary-dark);
}

.social-login-btn:hover {
    border-color: var(--primary-color);
    box-shadow: 0 4px 12px rgba(59, 130, 246, 0.15);
    transform: translateY(-1px);
}

.social-login-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.social-login-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.social-icon {
    width: 20px;
    height: 20px;
    flex-shrink: 0;
}

.social-login-btn .loading-indicator {
    position: absolute;
    right: 16px;
}

.social-login-btn .loading-indicator .material-icons {
    font-size: 18px;
    color: var(--primary-color);
}

.google-btn:hover {
    background: #fef2f2;
}

.dark .google-btn:hover {
    background: rgba(234, 67, 53, 0.1);
}

.facebook-btn:hover {
    background: #eff6ff;
}

.dark .facebook-btn:hover {
    background: rgba(24, 119, 242, 0.1);
}

.login-divider {
    display: flex;
    align-items: center;
    gap: 16px;
    margin: 20px 0;
}

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

.dark .login-divider::before,
.dark .login-divider::after {
    background: var(--border-color-dark);
}

.login-divider span {
    font-size: 12px;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.email-login-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    background: var(--primary-color);
    color: #ffffff;
    border: none;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    text-decoration: none;
    transition: background var(--transition-fast) ease, 
                transform var(--transition-fast) ease;
}

.email-login-btn:hover {
    background: var(--primary-hover);
    transform: translateY(-1px);
}

.email-login-btn:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.email-login-btn .material-icons {
    font-size: 18px;
}

.signup-prompt {
    text-align: center;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 16px;
}

.dark .signup-prompt {
    color: var(--text-secondary-dark);
}

.signup-prompt a {
    color: var(--primary-color);
    font-weight: 500;
    text-decoration: none;
}

.signup-prompt a:hover {
    text-decoration: underline;
}

/* ==========================================
   User Profile Card
   ========================================== */
.user-profile-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
    border-bottom: 1px solid var(--border-color);
}

.dark .user-profile-card {
    background: linear-gradient(135deg, #1e3a5f 0%, #1e40af30 100%);
    border-bottom-color: var(--border-color-dark);
}

.user-avatar {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    flex-shrink: 0;
    overflow: hidden;
}

.user-avatar .material-icons {
    font-size: 28px;
    color: #ffffff;
}

.user-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.user-info {
    flex: 1;
    min-width: 0;
}

.user-info h3 {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 4px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dark .user-info h3 {
    color: var(--text-primary-dark);
}

.user-email {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0 0 8px 0;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.dark .user-email {
    color: var(--text-secondary-dark);
}

.verification-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 11px;
    font-weight: 500;
}

.badge.verified {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge .material-icons {
    font-size: 12px;
}

/* ==========================================
   Quick Actions
   ========================================== */
.quick-actions {
    display: flex;
    gap: 12px;
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
}

.dark .quick-actions {
    border-bottom-color: var(--border-color-dark);
}

.quick-action-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    flex: 1;
    padding: 10px 12px;
    background: var(--sidebar-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    text-decoration: none;
    transition: all var(--transition-fast) ease;
}

.dark .quick-action-btn {
    background: var(--sidebar-bg-dark);
    border-color: var(--border-color-dark);
    color: var(--text-primary-dark);
}

.quick-action-btn:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    color: #ffffff;
}

.quick-action-btn .material-icons {
    font-size: 18px;
}

/* ==========================================
   Phone Setup
   ========================================== */
.phone-setup {
    margin-top: 8px;
}

.phone-display {
    display: flex;
    gap: 8px;
}

.phone-input {
    flex: 1;
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 14px;
    color: var(--text-primary);
    background: var(--sidebar-bg);
    transition: border-color var(--transition-fast) ease;
}

.dark .phone-input {
    background: var(--sidebar-bg-dark);
    border-color: var(--border-color-dark);
    color: var(--text-primary-dark);
}

.phone-input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.phone-input::placeholder {
    color: var(--text-secondary);
}

.save-phone-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background: var(--primary-color);
    border: none;
    border-radius: 8px;
    color: #ffffff;
    cursor: pointer;
    transition: background var(--transition-fast) ease;
}

.save-phone-btn:hover {
    background: var(--primary-hover);
}

.save-phone-btn .material-icons {
    font-size: 20px;
}

.phone-hint {
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 8px;
}

.dark .phone-hint {
    color: var(--text-secondary-dark);
}

/* ==========================================
   Connected Accounts
   ========================================== */
.connected-accounts {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.account-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 14px;
    background: #f9fafb;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.dark .account-item {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--border-color-dark);
}

.account-info {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
}

.dark .account-info {
    color: var(--text-primary-dark);
}

.account-status {
    font-size: 12px;
    font-weight: 500;
    padding: 4px 10px;
    border-radius: 12px;
}

.account-status.connected {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.connect-btn {
    padding: 6px 14px;
    background: transparent;
    border: 1px solid var(--primary-color);
    border-radius: 6px;
    font-size: 12px;
    font-weight: 500;
    color: var(--primary-color);
    cursor: pointer;
    transition: all var(--transition-fast) ease;
}

.connect-btn:hover {
    background: var(--primary-color);
    color: #ffffff;
}

/* ==========================================
   Notification Toggles
   ========================================== */
.notification-toggles {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.notification-toggles.channels {
    margin-top: 4px;
}

.toggle-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 0;
    border-bottom: 1px solid var(--border-color);
}

.dark .toggle-item {
    border-bottom-color: var(--border-color-dark);
}

.toggle-item:last-child {
    border-bottom: none;
}

.toggle-info {
    flex: 1;
    min-width: 0;
    padding-right: 12px;
}

.toggle-label {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 2px;
}

.dark .toggle-label {
    color: var(--text-primary-dark);
}

.toggle-label .material-icons {
    font-size: 18px;
    color: var(--text-secondary);
}

.toggle-description {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
}

.dark .toggle-description {
    color: var(--text-secondary-dark);
}

/* Toggle Switch Component */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 48px;
    height: 26px;
    flex-shrink: 0;
    cursor: pointer;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: #d1d5db;
    border-radius: 26px;
    transition: background-color var(--transition-fast) ease;
}

.toggle-slider::before {
    position: absolute;
    content: "";
    height: 20px;
    width: 20px;
    left: 3px;
    bottom: 3px;
    background-color: white;
    border-radius: 50%;
    transition: transform var(--transition-fast) ease;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.toggle-switch input:checked + .toggle-slider {
    background-color: var(--success-color);
}

.toggle-switch input:checked + .toggle-slider::before {
    transform: translateX(22px);
}

.toggle-switch input:focus + .toggle-slider {
    box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

.toggle-switch input:disabled + .toggle-slider {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ==========================================
   Secure Indicator
   ========================================== */
.secure-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 6px;
    padding: 12px 20px;
    background: rgba(16, 185, 129, 0.05);
    font-size: 12px;
    color: var(--success-color);
}

.secure-indicator .material-icons {
    font-size: 16px;
}

/* ==========================================
   Logout Section
   ========================================== */
.logout-section {
    padding: 16px 20px;
    background: #fef2f2;
}

.dark .logout-section {
    background: rgba(239, 68, 68, 0.1);
}

.logout-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    width: 100%;
    padding: 12px 16px;
    background: transparent;
    border: 1px solid var(--danger-color);
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    color: var(--danger-color);
    cursor: pointer;
    transition: all var(--transition-fast) ease;
}

.logout-btn:hover {
    background: var(--danger-color);
    color: #ffffff;
}

.logout-btn .material-icons {
    font-size: 18px;
}

/* ==========================================
   Toast Notifications
   ========================================== */
.profile-toast {
    position: fixed;
    bottom: 100px;
    left: 50%;
    transform: translateX(-50%) translateY(20px);
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: #1f2937;
    color: #ffffff;
    border-radius: 10px;
    font-size: 14px;
    font-weight: 500;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal) ease;
    z-index: 10000;
}

.profile-toast.show {
    opacity: 1;
    visibility: visible;
    transform: translateX(-50%) translateY(0);
}

.profile-toast.success .toast-icon {
    color: var(--success-color);
}

.profile-toast.error .toast-icon {
    color: var(--danger-color);
}

.toast-icon {
    font-size: 20px;
}

/* ==========================================
   Screen Reader Only
   ========================================== */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border-width: 0;
}

/* ==========================================
   Reduced Motion Support
   ========================================== */
@media (prefers-reduced-motion: reduce) {
    .profile-sidebar-overlay,
    .profile-sidebar,
    .social-login-btn,
    .toggle-slider,
    .toggle-slider::before,
    .profile-toast {
        transition: none;
    }
    
    .rotating {
        animation: none;
    }
}

/* ==========================================
   High Contrast Mode Support
   ========================================== */
@media (prefers-contrast: high) {
    .toggle-slider {
        border: 2px solid currentColor;
    }
    
    .social-login-btn,
    .quick-action-btn,
    .connect-btn {
        border-width: 2px;
    }
}

/* ==========================================
   Print Styles
   ========================================== */
@media print {
    .profile-sidebar,
    .profile-sidebar-overlay,
    .profile-toast {
        display: none !important;
    }
}

/* ==========================================
   Utility Classes
   ========================================== */
.hidden {
    display: none !important;
}

/* Focus Visible for Keyboard Navigation */
.toggle-switch:focus-within .toggle-slider {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}