/* Main CSS for Twitter Bookmarks */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* Date picker styling for unavailable dates (browser-dependent) */
input[type="date"]:invalid {
    border-color: #e0245e;
}

input[type="date"]:focus:invalid {
    border-color: #e0245e;
    box-shadow: 0 0 0 2px rgba(224, 36, 94, 0.2);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: #0f1419;
    background-color: #fff;
}

/* Twitter-like background for detail pages */
.twitter-tweet-container {
    background-color: #fff;
}

@media (min-width: 600px) {
    body {
        background-color: #f7f9f9;
    }
    
    .twitter-tweet-container {
        background-color: #fff;
        border-left: 1px solid #eff3f4;
        border-right: 1px solid #eff3f4;
        min-height: 100vh;
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px;
}

/* Twitter-like detail view breaks out of container */
.twitter-tweet-container {
    margin: 0 -20px;
    padding: 0 20px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Navigation */
.navbar {
    background-color: #1DA1F2;
    color: white;
    padding: 1rem 0;
    margin-bottom: 2rem;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.navbar .logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    text-decoration: none;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* Responsive: Stack breadcrumbs on mobile */
@media (max-width: 768px) {
    .navbar .container {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .breadcrumbs {
        margin-right: 0;
        margin-bottom: 0.5rem;
        order: 2;
    }
    
    .nav-links {
        order: 3;
        width: 100%;
        justify-content: flex-start;
    }
    
    .logo {
        order: 1;
    }
}

.nav-links a {
    color: white;
    text-decoration: none;
    transition: opacity 0.3s;
}

.nav-links a:hover {
    opacity: 0.8;
}

/* Messages */
.messages {
    margin-bottom: 1rem;
}

.alert {
    padding: 1rem;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.alert-success {
    background-color: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background-color: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-info {
    background-color: #d1ecf1;
    color: #0c5460;
    border: 1px solid #bee5eb;
}

.alert-warning {
    background-color: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.5rem 1rem;
    background-color: #1DA1F2;
    color: white;
    text-decoration: none;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #1a91da;
}

.btn-primary {
    background-color: #1DA1F2;
}

.btn-secondary {
    background-color: #6c757d;
}

.btn-secondary:hover {
    background-color: #5a6268;
}

.btn-danger {
    background-color: #dc3545;
}

.btn-danger:hover {
    background-color: #c82333;
}

.btn-sm.btn-danger {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.bulk-actions {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.btn-sm {
    padding: 0.25rem 0.5rem;
    font-size: 0.875rem;
}

.btn-google {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background-color: white;
    color: #333;
    border: 1px solid #ddd;
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
}

.btn-google:hover {
    background-color: #f5f5f5;
}

/* Auth Container */
.auth-container {
    max-width: 400px;
    margin: 4rem auto;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    text-align: center;
}

.auth-buttons {
    margin-top: 2rem;
}

/* Breadcrumbs - Now in navbar header */
.breadcrumbs {
    margin-bottom: 0;
    padding: 0;
    margin-right: 1.5rem;
}

.breadcrumbs ol {
    list-style: none;
    display: flex;
    gap: 0.5rem;
    align-items: center;
    padding: 0;
    margin: 0;
    font-size: 0.85em;
}

.breadcrumbs li {
    display: flex;
    align-items: center;
}

.breadcrumbs li:not(:last-child)::after {
    content: '›';
    margin-left: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.breadcrumbs a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
}

.breadcrumbs a:hover {
    color: white;
    text-decoration: underline;
}

.breadcrumbs span {
    color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

/* Twitter Feed Container */
.twitter-feed-container {
    max-width: 600px;
    margin: 0 auto;
    background-color: #fff;
}

.feed-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid #eff3f4;
    position: sticky;
    top: 0;
    background-color: #fff;
    z-index: 10;
}

.feed-header h1 {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f1419;
    margin: 0;
}

.filters-bar {
    padding: 1rem;
    border-bottom: 1px solid #eff3f4;
    background-color: #fff;
}

.filters-bar .bulk-actions {
    margin-top: 0.75rem;
    display: flex;
    gap: 0.5rem;
}

.twitter-feed {
    background-color: #fff;
}

.feed-tweet {
    border-bottom: 1px solid #eff3f4;
    padding: 0.75rem 1rem;
    transition: background-color 0.2s;
}

.feed-tweet:hover {
    background-color: #f7f9f9;
}

.tweet-actions-bar {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid #eff3f4;
    align-items: center;
}

.action-link {
    color: #536471;
    text-decoration: none;
    font-size: 0.875rem;
    transition: all 0.2s;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    display: inline-flex;
    align-items: center;
    gap: 0.375rem;
    border-radius: 4px;
}

.action-link:hover {
    color: #1DA1F2;
    background-color: #f7f9f9;
}

.action-link.danger {
    color: #dc3545;
}

.action-link.danger:hover {
    color: #c82333;
    background-color: #fff5f5;
}

.action-link svg {
    flex-shrink: 0;
}

.action-link.twitter-icon {
    color: #1DA1F2;
    padding: 0.375rem;
}

.action-link.twitter-icon:hover {
    background-color: #e8f5fe;
    color: #1a91da;
}

.action-link span {
    white-space: nowrap;
}

/* Bookmarks List */
.bookmarks-container {
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.bookmarks-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.filters {
    margin-bottom: 2rem;
}

.filter-form {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.search-input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.author-select {
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.bookmark-card {
    border: 1px solid #ddd;
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    transition: box-shadow 0.3s;
}

.bookmark-card:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.bookmark-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
}

.author {
    font-weight: bold;
    color: #1DA1F2;
}

.date {
    color: #666;
    font-size: 0.875rem;
}

.bookmark-content {
    margin: 1rem 0;
}

.bookmark-metrics {
    display: flex;
    gap: 1rem;
    color: #666;
    font-size: 0.875rem;
    margin-bottom: 1rem;
}

.bookmark-actions {
    display: flex;
    gap: 0.5rem;
}

/* Twitter-like Tweet Display */
.twitter-tweet-container {
    max-width: 600px;
    margin: 0 auto;
    padding: 1rem;
    background-color: #fff;
}

.twitter-tweet-container .container {
    max-width: 100%;
    padding: 0;
}

.tweet-actions-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    margin-bottom: 1rem;
    border-bottom: 1px solid #eff3f4;
}

.back-link {
    color: #536471;
    text-decoration: none;
    font-size: 0.9375rem;
    transition: color 0.2s;
}

.back-link:hover {
    color: #1DA1F2;
}

.tweet-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 50%;
    transition: all 0.2s;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #536471;
}

.btn-icon:hover {
    background-color: #f7f9f9;
    color: #1DA1F2;
}

.btn-icon.twitter-icon {
    color: #1DA1F2;
}

.btn-icon.twitter-icon:hover {
    background-color: #e8f5fe;
    color: #1a91da;
}

.btn-icon svg {
    display: block;
}

.tweet-card {
    padding: 1rem 0;
    border-bottom: 1px solid #eff3f4;
}

.tweet-header {
    display: flex;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.tweet-author {
    display: flex;
    align-items: center;
    flex: 1;
}

.author-avatar {
    margin-right: 0.75rem;
}

.avatar-placeholder {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-weight: bold;
    font-size: 1.1rem;
}

.profile-image {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    display: block;
}

.author-info {
    flex: 1;
}

.author-name {
    font-weight: 700;
    font-size: 0.9375rem;
    color: #0f1419;
    line-height: 1.25rem;
}

.author-handle {
    font-size: 0.9375rem;
    color: #536471;
    line-height: 1.25rem;
}

.tweet-timestamp {
    font-size: 0.9375rem;
    color: #536471;
}

.tweet-timestamp time {
    color: #536471;
}

.tweet-link {
    color: #536471;
    text-decoration: none;
}

.tweet-link:hover {
    text-decoration: underline;
}

.tweet-content {
    margin-bottom: 0.75rem;
}

.tweet-text {
    font-size: 0.9375rem;
    line-height: 1.375rem;
    color: #0f1419;
    white-space: pre-wrap;
    word-wrap: break-word;
    margin: 0;
}

.tweet-text a {
    color: #1DA1F2;
    text-decoration: none;
}

.tweet-text a:hover {
    text-decoration: underline;
}

.tweet-media {
    margin: 0.75rem 0;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #eff3f4;
}

.media-image-wrapper,
.media-video-wrapper {
    position: relative;
    width: 100%;
    background-color: #000;
}

.tweet-media-image {
    width: 100%;
    height: auto;
    display: block;
    max-height: 600px;
    object-fit: contain;
    background-color: #000;
}

.media-video-wrapper {
    position: relative;
}

.video-overlay {
    position: absolute;
    bottom: 1rem;
    left: 1rem;
    background-color: rgba(0, 0, 0, 0.75);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 700;
}

.video-icon {
    font-size: 1rem;
}

.media-video-wrapper-link {
    display: block;
    text-decoration: none;
    color: inherit;
}

.media-video-wrapper-link:hover .video-overlay {
    background-color: rgba(0, 0, 0, 0.9);
}

.tweet-video-player {
    width: 100%;
    height: auto;
    max-height: 600px;
    display: block;
    background-color: #000;
}

.video-placeholder {
    padding: 2rem;
    text-align: center;
    background-color: #f3f4f6;
    border: 1px solid #e5e7eb;
    border-radius: 0.5rem;
    margin: 1rem 0;
}

.video-placeholder p {
    margin: 0.5rem 0;
    color: #6b7280;
}

.video-fallback-link {
    display: inline-block;
    margin-top: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: #1da1f2;
    color: white;
    text-decoration: none;
    border-radius: 0.375rem;
    font-weight: 500;
}

.video-fallback-link:hover {
    background-color: #1a8cd8;
    text-decoration: none;
    color: white;
}

.tweet-engagement {
    display: flex;
    align-items: center;
    gap: 2rem;
    margin-top: 0.75rem;
    padding-top: 0.5rem;
}

.engagement-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #536471;
    font-size: 0.875rem;
    cursor: pointer;
    transition: color 0.2s;
}

.engagement-item:hover {
    color: #1DA1F2;
}

.engagement-icon {
    font-size: 1.125rem;
}

.engagement-count {
    font-weight: 400;
}

.thread-section {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid #eff3f4;
}

.thread-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: #0f1419;
    margin-bottom: 1rem;
    padding-left: 0.5rem;
}

.thread-tweet {
    margin-bottom: 1rem;
}

/* Pagination */
.pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    margin-top: 2rem;
}

.page-info {
    color: #666;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: #666;
}

/* Forms */
.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-control {
    width: 100%;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 1rem;
}

.form-control:focus {
    outline: none;
    border-color: #1DA1F2;
    box-shadow: 0 0 0 3px rgba(29, 161, 242, 0.1);
}

.error {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

/* Twitter Connect */
.twitter-connect-container {
    max-width: 600px;
    margin: 2rem auto;
    background: white;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.info-box {
    margin-top: 2rem;
    padding: 1rem;
    background-color: #f9f9f9;
    border-radius: 4px;
}

.info-box h3 {
    margin-bottom: 1rem;
}

.info-box ol {
    margin-left: 1.5rem;
}

.info-box li {
    margin-bottom: 0.5rem;
}

/* PDF Modal - Popup Style */
.pdf-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.75);
    backdrop-filter: blur(4px);
    align-items: center;
    justify-content: center;
    animation: fadeIn 0.2s ease-out;
}

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

.pdf-modal-content {
    position: relative;
    background-color: #fff;
    width: 95%;
    max-width: 1000px;
    height: 90vh;
    max-height: 90vh;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    display: flex;
    flex-direction: column;
    animation: slideUp 0.3s ease-out;
    overflow: hidden;
}

@keyframes slideUp {
    from {
        transform: translateY(30px) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translateY(0) scale(1);
        opacity: 1;
    }
}

.pdf-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    border-bottom: 1px solid #e1e8ed;
    background-color: #fff;
    flex-shrink: 0;
    border-radius: 12px 12px 0 0;
}

.pdf-modal-header h3 {
    margin: 0;
    color: #0f1419;
    font-size: 1.25rem;
    font-weight: 700;
}

.pdf-modal-close {
    background: none;
    border: none;
    font-size: 1.75rem;
    font-weight: 400;
    color: #536471;
    cursor: pointer;
    padding: 0.25rem 0.5rem;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.2s;
    line-height: 1;
}

.pdf-modal-close:hover {
    background-color: #f7f9f9;
    color: #0f1419;
}

.pdf-modal-body {
    flex: 1;
    padding: 0;
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f7f9f9;
}

.pdf-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
    width: 100%;
}

.loading-spinner {
    color: #536471;
    font-size: 1rem;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.loading-spinner::before {
    content: '';
    width: 24px;
    height: 24px;
    border: 3px solid #e1e8ed;
    border-top-color: #1DA1F2;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

#pdfPreviewFrame {
    width: 100%;
    height: 100%;
    border: none;
    background-color: #fff;
}

/* Real-time update visual feedback */
@keyframes highlight-update {
    0% { background-color: rgba(29, 161, 242, 0.2); }
    100% { background-color: transparent; }
}

.update-highlight {
    animation: highlight-update 0.5s ease-out;
}

/* Connection status indicator */
.connection-status {
    position: fixed;
    top: 10px;
    right: 10px;
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 12px;
    z-index: 1000;
    font-weight: 500;
}

.connection-status.connected {
    background: #4caf50;
    color: white;
}

.connection-status.disconnected {
    background: #f44336;
    color: white;
}

.connection-status.reconnecting {
    background: #ff9800;
    color: white;
}