/* ============================================
   TECH-RADAR — Bloomberg Terminal Aesthetics
   ============================================ */

:root {
    --tr-bg-primary: #0a0a0f;
    --tr-bg-secondary: #12121a;
    --tr-bg-card: #181824;
    --tr-bg-hover: #1e1e2e;
    --tr-bg-input: #1a1a28;
    --tr-border: #2a2a3a;
    --tr-border-light: #353548;
    --tr-text-primary: #e8e8f0;
    --tr-text-secondary: #9090a8;
    --tr-text-muted: #606078;
    --tr-accent-primary: #00d4ff;
    --tr-accent-secondary: #7b61ff;
    --tr-accent-success: #00e676;
    --tr-accent-warning: #ffab00;
    --tr-accent-danger: #ff3b5c;
    --tr-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --tr-font-mono: 'JetBrains Mono', 'Fira Code', monospace;
    --tr-radius: 8px;
    --tr-radius-sm: 4px;
    --tr-shadow: 0 2px 12px rgba(0, 0, 0, 0.4);
    --tr-transition: 150ms ease;
}

/* Dashboard Root */
.tr-dashboard {
    font-family: var(--tr-font-sans);
    color: var(--tr-text-primary);
    max-width: 1600px;
    margin: 0 auto;
    padding: 0 1rem 2rem;
}

/* ---- Status Bar ---- */
.tr-status-bar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 1rem;
    background: var(--tr-bg-secondary);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius);
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.tr-status-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}
.tr-status-right {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    flex-wrap: wrap;
}
.tr-logo {
    font-family: var(--tr-font-mono);
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--tr-accent-primary);
    letter-spacing: 0.5px;
}
.tr-status-meta {
    font-size: 0.8rem;
    color: var(--tr-text-muted);
    font-family: var(--tr-font-mono);
}
.tr-status-badge {
    font-size: 0.75rem;
    padding: 0.25rem 0.6rem;
    background: var(--tr-bg-card);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius-sm);
    color: var(--tr-text-secondary);
    font-family: var(--tr-font-mono);
    white-space: nowrap;
}
.tr-badge-alert {
    background: rgba(255, 59, 92, 0.15);
    border-color: var(--tr-accent-danger);
    color: var(--tr-accent-danger);
    font-weight: 600;
}
.tr-feed-health {
    font-size: 0.75rem;
    color: var(--tr-accent-success);
    font-family: var(--tr-font-mono);
    white-space: nowrap;
}

/* ---- Buttons ---- */
.tr-btn-refresh {
    padding: 0.4rem 0.8rem;
    background: var(--tr-accent-primary);
    color: var(--tr-bg-primary);
    border: none;
    border-radius: var(--tr-radius-sm);
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--tr-transition);
    font-family: var(--tr-font-sans);
    white-space: nowrap;
}
.tr-btn-refresh:hover {
    background: #33dfff;
}
.tr-btn-refresh:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}
.tr-btn-small {
    padding: 0.3rem 0.6rem;
    background: var(--tr-bg-card);
    color: var(--tr-text-secondary);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius-sm);
    font-size: 0.75rem;
    cursor: pointer;
    text-decoration: none;
    display: inline-block;
    transition: all var(--tr-transition);
    font-family: var(--tr-font-sans);
    white-space: nowrap;
}
.tr-btn-small:hover {
    background: var(--tr-bg-hover);
    color: var(--tr-text-primary);
    border-color: var(--tr-border-light);
}
.tr-btn-danger {
    border-color: rgba(255, 59, 92, 0.3);
    color: var(--tr-accent-danger);
}
.tr-btn-danger:hover {
    background: rgba(255, 59, 92, 0.1);
    border-color: var(--tr-accent-danger);
}

/* ---- Alert Banner ---- */
.tr-alert-banner {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    background: rgba(255, 59, 92, 0.08);
    border: 1px solid rgba(255, 59, 92, 0.3);
    border-radius: var(--tr-radius);
    margin-bottom: 1rem;
    animation: tr-alert-glow 2s ease-in-out infinite;
}
@keyframes tr-alert-glow {
    0%, 100% { box-shadow: 0 0 8px rgba(255, 59, 92, 0.1); }
    50% { box-shadow: 0 0 16px rgba(255, 59, 92, 0.25); }
}
.tr-alert-icon {
    font-size: 1.5rem;
    flex-shrink: 0;
    line-height: 1;
}
.tr-alert-content {
    flex: 1;
}
.tr-alert-content strong {
    color: var(--tr-accent-danger);
    font-size: 0.9rem;
    display: block;
    margin-bottom: 0.3rem;
}
.tr-alert-list {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}
.tr-alert-link {
    color: var(--tr-text-primary);
    text-decoration: none;
    font-size: 0.82rem;
    transition: color var(--tr-transition);
}
.tr-alert-link:hover {
    color: var(--tr-accent-primary);
}
.tr-alert-dismiss {
    background: none;
    border: none;
    color: var(--tr-text-muted);
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0.2rem;
    line-height: 1;
    transition: color var(--tr-transition);
}
.tr-alert-dismiss:hover {
    color: var(--tr-text-primary);
}

/* ---- Pulse animation ---- */
.tr-pulse {
    animation: tr-pulse-anim 2s ease-in-out infinite;
}
@keyframes tr-pulse-anim {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* ---- 3-Column Grid ---- */
.tr-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 1rem;
    align-items: start;
}
.tr-column {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    min-width: 0;
}
.tr-column-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid var(--tr-accent-primary);
}
.tr-column-header h2 {
    font-size: 1rem;
    font-weight: 700;
    color: var(--tr-text-primary);
    margin: 0;
}

/* ---- Article Cards ---- */
.tr-article-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.tr-article-list-full {
    max-width: 900px;
}
.tr-article-card {
    background: var(--tr-bg-card);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius);
    padding: 0.75rem;
    transition: all var(--tr-transition);
    cursor: default;
}
.tr-article-card:hover {
    border-color: var(--tr-border-light);
    background: var(--tr-bg-hover);
}
.tr-article-card.tr-unread {
    border-left: 3px solid var(--tr-accent-primary);
    background: rgba(0, 212, 255, 0.03);
}
.tr-article-card.tr-focused {
    outline: 2px solid var(--tr-accent-secondary);
    outline-offset: -2px;
}
.tr-article-meta {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.3rem;
    flex-wrap: wrap;
}
.tr-article-source {
    font-size: 0.72rem;
    color: var(--tr-text-muted);
    font-family: var(--tr-font-mono);
}
.tr-article-time {
    font-size: 0.72rem;
    color: var(--tr-text-muted);
    font-family: var(--tr-font-mono);
    margin-left: auto;
}
.tr-article-title {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--tr-text-primary);
    text-decoration: none;
    line-height: 1.35;
    margin-bottom: 0.3rem;
    transition: color var(--tr-transition);
}
.tr-article-title:hover {
    color: var(--tr-accent-primary);
}
.tr-article-summary {
    font-size: 0.78rem;
    color: var(--tr-text-secondary);
    line-height: 1.45;
    margin: 0 0 0.4rem;
}
.tr-article-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 0.5rem;
}
.tr-article-tags {
    display: flex;
    gap: 0.3rem;
    flex-wrap: wrap;
}
.tr-article-actions {
    display: flex;
    gap: 0.3rem;
    flex-shrink: 0;
}

/* ---- Tags ---- */
.tr-tag {
    font-size: 0.65rem;
    padding: 0.15rem 0.4rem;
    border-radius: var(--tr-radius-sm);
    background: var(--tr-bg-hover);
    color: var(--tr-text-secondary);
    font-family: var(--tr-font-mono);
    text-transform: lowercase;
    border: 1px solid transparent;
}
.tr-tag-security { background: rgba(255, 59, 92, 0.12); color: var(--tr-accent-danger); border-color: rgba(255, 59, 92, 0.25); }
.tr-tag-ai, .tr-tag-ml { background: rgba(123, 97, 255, 0.12); color: var(--tr-accent-secondary); border-color: rgba(123, 97, 255, 0.25); }
.tr-tag-cloud { background: rgba(0, 212, 255, 0.12); color: var(--tr-accent-primary); border-color: rgba(0, 212, 255, 0.25); }
.tr-tag-devops, .tr-tag-kubernetes, .tr-tag-docker { background: rgba(0, 230, 118, 0.12); color: var(--tr-accent-success); border-color: rgba(0, 230, 118, 0.25); }
.tr-tag-web, .tr-tag-frontend, .tr-tag-javascript, .tr-tag-react { background: rgba(255, 171, 0, 0.12); color: var(--tr-accent-warning); border-color: rgba(255, 171, 0, 0.25); }
.tr-tag-python, .tr-tag-rust, .tr-tag-go, .tr-tag-programming { background: rgba(0, 212, 255, 0.12); color: #66e0ff; border-color: rgba(0, 212, 255, 0.2); }
.tr-tag-linux, .tr-tag-open-source { background: rgba(0, 230, 118, 0.12); color: #66f0a0; border-color: rgba(0, 230, 118, 0.2); }
.tr-tag-database { background: rgba(255, 171, 0, 0.12); color: #ffc44d; border-color: rgba(255, 171, 0, 0.2); }

/* ---- Action Buttons ---- */
.tr-action-btn {
    background: none;
    border: 1px solid transparent;
    color: var(--tr-text-muted);
    cursor: pointer;
    font-size: 0.85rem;
    padding: 0.2rem 0.35rem;
    border-radius: var(--tr-radius-sm);
    transition: all var(--tr-transition);
    line-height: 1;
}
.tr-action-btn:hover {
    color: var(--tr-accent-primary);
    border-color: var(--tr-border);
    background: var(--tr-bg-hover);
}
.tr-action-btn.tr-saved {
    color: var(--tr-accent-warning);
}

/* ---- Language Badge ---- */
.tr-lang-badge {
    font-size: 0.6rem;
    font-weight: 700;
    padding: 0.1rem 0.35rem;
    border-radius: var(--tr-radius-sm);
    font-family: var(--tr-font-mono);
    letter-spacing: 0.5px;
}
.tr-lang-de {
    background: rgba(255, 171, 0, 0.15);
    color: var(--tr-accent-warning);
}
.tr-lang-en {
    background: rgba(0, 212, 255, 0.15);
    color: var(--tr-accent-primary);
}

/* ---- Language Toggle ---- */
.tr-lang-toggle {
    display: inline-flex;
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius-sm);
    overflow: hidden;
}
.tr-lang-btn {
    background: transparent;
    border: none;
    color: var(--tr-text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    font-family: var(--tr-font-mono);
    padding: 0.25rem 0.6rem;
    cursor: pointer;
    transition: all var(--tr-transition);
    letter-spacing: 0.5px;
}
.tr-lang-btn:not(:last-child) {
    border-right: 1px solid var(--tr-border);
}
.tr-lang-btn:hover {
    background: var(--tr-bg-hover);
    color: var(--tr-text-primary);
}
.tr-lang-btn.tr-lang-active {
    background: var(--tr-accent-primary);
    color: var(--tr-bg-primary);
}
.tr-lang-btn.tr-lang-active[data-lang="de"] {
    background: var(--tr-accent-warning);
}

/* ---- Category Accordion ---- */
.tr-category-accordion {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.tr-cat-section {
    background: var(--tr-bg-card);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius);
    overflow: hidden;
}
.tr-cat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.6rem 0.75rem;
    cursor: pointer;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--tr-text-primary);
    transition: background var(--tr-transition);
    list-style: none;
}
.tr-cat-header::-webkit-details-marker {
    display: none;
}
.tr-cat-header::before {
    content: '▸';
    margin-right: 0.5rem;
    color: var(--tr-text-muted);
    transition: transform var(--tr-transition);
    display: inline-block;
}
details[open] > .tr-cat-header::before {
    transform: rotate(90deg);
}
.tr-cat-header:hover {
    background: var(--tr-bg-hover);
}
.tr-cat-badge {
    background: var(--tr-accent-primary);
    color: var(--tr-bg-primary);
    font-size: 0.65rem;
    font-weight: 700;
    padding: 0.1rem 0.4rem;
    border-radius: 10px;
    min-width: 1.3rem;
    text-align: center;
    font-family: var(--tr-font-mono);
}
.tr-cat-articles {
    padding: 0.5rem 0.75rem;
    border-top: 1px solid var(--tr-border);
}

/* ---- Widgets ---- */
.tr-widget {
    background: var(--tr-bg-card);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius);
    padding: 0.75rem;
}
.tr-widget h3 {
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--tr-text-secondary);
    margin: 0 0 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.3px;
    font-family: var(--tr-font-mono);
}

/* ---- Saved Items ---- */
.tr-saved-item {
    display: flex;
    flex-direction: column;
    padding: 0.4rem 0;
    text-decoration: none;
    border-bottom: 1px solid var(--tr-border);
    transition: background var(--tr-transition);
}
.tr-saved-item:last-child {
    border-bottom: none;
}
.tr-saved-item:hover {
    background: var(--tr-bg-hover);
    margin: 0 -0.4rem;
    padding-left: 0.4rem;
    padding-right: 0.4rem;
    border-radius: var(--tr-radius-sm);
}
.tr-saved-title {
    font-size: 0.8rem;
    color: var(--tr-text-primary);
    line-height: 1.3;
}
.tr-saved-source {
    font-size: 0.7rem;
    color: var(--tr-text-muted);
    font-family: var(--tr-font-mono);
}

/* ---- Trending Tags ---- */
.tr-trending-tags {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}
.tr-trend-bar {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.tr-trend-label {
    font-size: 0.75rem;
    color: var(--tr-text-secondary);
    min-width: 70px;
    font-family: var(--tr-font-mono);
    text-transform: lowercase;
}
.tr-trend-fill {
    height: 6px;
    background: linear-gradient(90deg, var(--tr-accent-primary), var(--tr-accent-secondary));
    border-radius: 3px;
    transition: width 0.5s ease;
    min-width: 4px;
}
.tr-trend-count {
    font-size: 0.7rem;
    color: var(--tr-text-muted);
    font-family: var(--tr-font-mono);
    min-width: 1.5rem;
    text-align: right;
}

/* ---- Stats Mini ---- */
.tr-stats-mini {
    display: flex;
    flex-direction: column;
    gap: 0.3rem;
}
.tr-stat-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.78rem;
    padding: 0.25rem 0;
    color: var(--tr-text-secondary);
}
.tr-stat-nums {
    font-family: var(--tr-font-mono);
    color: var(--tr-text-primary);
    font-size: 0.75rem;
}

/* ---- Feed Status Mini ---- */
.tr-feed-status-mini {
    display: flex;
    gap: 1rem;
    margin-bottom: 0.5rem;
    font-size: 0.8rem;
}
.tr-feed-ok {
    color: var(--tr-accent-success);
}
.tr-feed-err {
    color: var(--tr-accent-danger);
}

/* ---- Empty States ---- */
.tr-empty {
    text-align: center;
    padding: 2rem 1rem;
    color: var(--tr-text-muted);
    font-size: 0.9rem;
    background: var(--tr-bg-card);
    border: 1px dashed var(--tr-border);
    border-radius: var(--tr-radius);
}
.tr-empty-small {
    color: var(--tr-text-muted);
    font-size: 0.78rem;
    font-style: italic;
    margin: 0.5rem 0 0;
}

/* ---- Modal ---- */
.tr-modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.7);
    backdrop-filter: blur(4px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}
.tr-modal-overlay.hidden {
    display: none;
}
.tr-modal {
    background: var(--tr-bg-secondary);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius);
    width: 90%;
    max-width: 500px;
    box-shadow: var(--tr-shadow);
}
.tr-modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid var(--tr-border);
}
.tr-modal-header h2 {
    margin: 0;
    font-size: 1rem;
    color: var(--tr-text-primary);
}
.tr-modal-close {
    background: none;
    border: none;
    color: var(--tr-text-muted);
    font-size: 1.4rem;
    cursor: pointer;
    padding: 0;
    line-height: 1;
}
.tr-modal-close:hover {
    color: var(--tr-text-primary);
}
.tr-modal-body {
    padding: 1rem;
}

/* ---- Keyboard Shortcuts ---- */
.tr-shortcuts-grid {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.tr-shortcut {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 0.85rem;
    color: var(--tr-text-secondary);
}
.tr-shortcut kbd {
    display: inline-block;
    background: var(--tr-bg-card);
    border: 1px solid var(--tr-border-light);
    border-radius: var(--tr-radius-sm);
    padding: 0.15rem 0.45rem;
    font-family: var(--tr-font-mono);
    font-size: 0.78rem;
    color: var(--tr-accent-primary);
    min-width: 1.5rem;
    text-align: center;
    box-shadow: 0 1px 2px rgba(0,0,0,0.3);
}

/* ---- Page Header ---- */
.tr-page-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}
.tr-page-header h1 {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--tr-text-primary);
    margin: 0;
}
.tr-header-actions {
    display: flex;
    gap: 0.5rem;
    align-items: center;
}

/* ============ DIGEST ============ */
.tr-digest {
    max-width: 700px;
    margin: 0 auto;
}
.tr-digest-header {
    text-align: center;
    margin-bottom: 2rem;
    padding-bottom: 1rem;
    border-bottom: 2px solid var(--tr-accent-primary);
}
.tr-digest-header h1 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tr-accent-primary);
    font-family: var(--tr-font-mono);
    margin: 0 0 0.3rem;
}
.tr-digest-date {
    color: var(--tr-text-muted);
    font-size: 0.85rem;
    font-family: var(--tr-font-mono);
    margin: 0.3rem 0 0.5rem;
}
.tr-digest-section {
    margin-bottom: 1.5rem;
}
.tr-digest-section h2 {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--tr-text-secondary);
    letter-spacing: 1px;
    font-family: var(--tr-font-mono);
    margin: 0 0 0.3rem;
}
.tr-digest-divider {
    height: 1px;
    background: var(--tr-border);
    margin-bottom: 0.75rem;
}
.tr-digest-item {
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--tr-border);
}
.tr-digest-item:last-child {
    border-bottom: none;
}
.tr-digest-item a {
    color: var(--tr-text-primary);
    text-decoration: none;
    font-size: 0.88rem;
    font-weight: 500;
    transition: color var(--tr-transition);
}
.tr-digest-item a:hover {
    color: var(--tr-accent-primary);
}
.tr-digest-source {
    font-size: 0.72rem;
    color: var(--tr-text-muted);
    font-family: var(--tr-font-mono);
    margin-left: 0.5rem;
}
.tr-digest-alerts {
    background: rgba(255, 59, 92, 0.05);
    border: 1px solid rgba(255, 59, 92, 0.2);
    border-radius: var(--tr-radius);
    padding: 0.75rem;
}
.tr-digest-alerts h2 {
    color: var(--tr-accent-danger);
}
.tr-digest-alert-item a {
    color: var(--tr-accent-danger);
}
.tr-digest-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
}
.tr-digest-stat {
    text-align: center;
    padding: 0.75rem 0.5rem;
    background: var(--tr-bg-card);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius);
}
.tr-digest-stat-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--tr-accent-primary);
    font-family: var(--tr-font-mono);
}
.tr-digest-stat-label {
    display: block;
    font-size: 0.7rem;
    color: var(--tr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.2rem;
}

/* ============ STATS PAGE ============ */
.tr-stats-overview {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    margin-bottom: 1.5rem;
}
.tr-stats-card {
    background: var(--tr-bg-card);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius);
    padding: 1rem;
    text-align: center;
}
.tr-stats-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--tr-accent-primary);
    font-family: var(--tr-font-mono);
    line-height: 1.2;
}
.tr-stats-label {
    font-size: 0.75rem;
    color: var(--tr-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-top: 0.3rem;
}
.tr-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

/* ---- Bar Charts ---- */
.tr-chart-bars {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
}
.tr-bar-row {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.tr-bar-label {
    font-size: 0.75rem;
    color: var(--tr-text-secondary);
    min-width: 90px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    font-family: var(--tr-font-mono);
}
.tr-bar-track {
    flex: 1;
    height: 8px;
    background: var(--tr-bg-hover);
    border-radius: 4px;
    overflow: hidden;
}
.tr-bar-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--tr-accent-primary), #33dfff);
    border-radius: 4px;
    transition: width 0.6s ease;
    min-width: 2px;
}
.tr-bar-accent {
    background: linear-gradient(90deg, var(--tr-accent-secondary), #9b85ff);
}
.tr-bar-green {
    background: linear-gradient(90deg, var(--tr-accent-success), #66f0a0);
}
.tr-bar-value {
    font-size: 0.72rem;
    color: var(--tr-text-muted);
    font-family: var(--tr-font-mono);
    min-width: 2rem;
    text-align: right;
}

/* ---- Timeline Chart ---- */
.tr-chart-timeline {
    display: flex;
    align-items: flex-end;
    gap: 2px;
    height: 120px;
    padding: 0.5rem 0;
    overflow-x: auto;
}
.tr-timeline-bar {
    flex: 1;
    min-width: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-end;
    height: 100%;
}
.tr-timeline-fill {
    width: 100%;
    background: linear-gradient(180deg, var(--tr-accent-primary), rgba(0, 212, 255, 0.3));
    border-radius: 2px 2px 0 0;
    transition: height 0.5s ease;
    min-height: 2px;
}
.tr-timeline-label {
    font-size: 0.55rem;
    color: var(--tr-text-muted);
    margin-top: 0.2rem;
    font-family: var(--tr-font-mono);
}

/* ---- Language Split ---- */
.tr-lang-split {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.tr-lang-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}
.tr-lang-name {
    font-size: 0.8rem;
    color: var(--tr-text-secondary);
    min-width: 90px;
}

/* ============ FEED MANAGEMENT ============ */
.tr-feed-form {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}
.tr-feed-list {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}
.tr-feed-card {
    background: var(--tr-bg-card);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius);
    padding: 0.75rem;
    transition: border-color var(--tr-transition);
}
.tr-feed-card:hover {
    border-color: var(--tr-border-light);
}
.tr-feed-inactive {
    opacity: 0.5;
}
.tr-feed-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0.4rem;
}
.tr-feed-icon {
    font-size: 1.2rem;
    flex-shrink: 0;
}
.tr-feed-info {
    flex: 1;
    min-width: 0;
    display: flex;
    flex-direction: column;
}
.tr-feed-name {
    font-weight: 600;
    font-size: 0.88rem;
    color: var(--tr-text-primary);
}
.tr-feed-url {
    font-size: 0.7rem;
    color: var(--tr-text-muted);
    font-family: var(--tr-font-mono);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.tr-feed-badges {
    display: flex;
    gap: 0.3rem;
    align-items: center;
}
.tr-feed-status-ok { color: var(--tr-accent-success); }
.tr-feed-status-err { color: var(--tr-accent-danger); cursor: help; }
.tr-feed-status-pending { color: var(--tr-text-muted); }
.tr-feed-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.72rem;
    color: var(--tr-text-muted);
    font-family: var(--tr-font-mono);
    margin-bottom: 0.4rem;
    flex-wrap: wrap;
}
.tr-feed-actions {
    display: flex;
    gap: 0.4rem;
}

/* ============ SEARCH ============ */
.tr-search-form {
    margin-bottom: 1.5rem;
}
.tr-search-bar {
    display: flex;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}
.tr-search-input {
    flex: 1;
    padding: 0.6rem 0.8rem;
    background: var(--tr-bg-input);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius);
    color: var(--tr-text-primary);
    font-size: 0.9rem;
    font-family: var(--tr-font-sans);
    outline: none;
    transition: border-color var(--tr-transition);
}
.tr-search-input:focus {
    border-color: var(--tr-accent-primary);
    box-shadow: 0 0 0 2px rgba(0, 212, 255, 0.15);
}
.tr-search-input::placeholder {
    color: var(--tr-text-muted);
}
.tr-search-filters {
    display: flex;
    gap: 0.5rem;
}
.tr-filter-select {
    padding: 0.4rem 0.6rem;
    background: var(--tr-bg-input);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius-sm);
    color: var(--tr-text-primary);
    font-size: 0.8rem;
    font-family: var(--tr-font-sans);
    outline: none;
    cursor: pointer;
}
.tr-filter-select:focus {
    border-color: var(--tr-accent-primary);
}
.tr-search-info {
    font-size: 0.82rem;
    color: var(--tr-text-muted);
    margin-bottom: 1rem;
    font-family: var(--tr-font-mono);
}

/* ============ SETTINGS ============ */
.form-group {
    margin-bottom: 0.75rem;
}
.form-group label {
    display: block;
    font-size: 0.82rem;
    color: var(--tr-text-secondary);
    margin-bottom: 0.3rem;
    font-weight: 500;
}
.form-group input[type="number"],
.form-group input[type="text"],
.form-group input[type="url"],
.form-group select {
    width: 100%;
    padding: 0.5rem 0.6rem;
    background: var(--tr-bg-input);
    border: 1px solid var(--tr-border);
    border-radius: var(--tr-radius-sm);
    color: var(--tr-text-primary);
    font-size: 0.85rem;
    font-family: var(--tr-font-sans);
    outline: none;
    box-sizing: border-box;
}
.form-group input:focus,
.form-group select:focus {
    border-color: var(--tr-accent-primary);
}
.form-group input[type="checkbox"] {
    accent-color: var(--tr-accent-primary);
    margin-right: 0.4rem;
}
.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
}
.form-row .form-group:only-child {
    grid-column: span 2;
}

/* ============ RESPONSIVE ============ */
@media (max-width: 1200px) {
    .tr-grid {
        grid-template-columns: 1fr 1fr;
    }
    .tr-grid > .tr-column:nth-child(3) {
        grid-column: span 2;
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0.75rem;
    }
    .tr-grid > .tr-column:nth-child(3) > .tr-column-header {
        grid-column: span 2;
    }
}
@media (max-width: 768px) {
    .tr-grid {
        grid-template-columns: 1fr;
    }
    .tr-grid > .tr-column:nth-child(3) {
        grid-column: auto;
        display: flex;
    }
    .tr-status-bar {
        flex-direction: column;
        align-items: flex-start;
    }
    .tr-stats-overview {
        grid-template-columns: repeat(2, 1fr);
    }
    .tr-stats-grid {
        grid-template-columns: 1fr;
    }
    .tr-digest-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .form-row {
        grid-template-columns: 1fr;
    }
}

/* ---- Scrollbar styling ---- */
.tr-dashboard ::-webkit-scrollbar {
    width: 6px;
    height: 6px;
}
.tr-dashboard ::-webkit-scrollbar-track {
    background: var(--tr-bg-primary);
}
.tr-dashboard ::-webkit-scrollbar-thumb {
    background: var(--tr-border);
    border-radius: 3px;
}
.tr-dashboard ::-webkit-scrollbar-thumb:hover {
    background: var(--tr-border-light);
}

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

/* ---- Loading spinner on refresh button ---- */
.tr-btn-refresh.loading {
    position: relative;
    color: transparent;
}
.tr-btn-refresh.loading::after {
    content: '';
    position: absolute;
    inset: 0;
    margin: auto;
    width: 14px;
    height: 14px;
    border: 2px solid transparent;
    border-top-color: var(--tr-bg-primary);
    border-radius: 50%;
    animation: tr-spin 0.6s linear infinite;
}
@keyframes tr-spin {
    to { transform: rotate(360deg); }
}

/* ---- Result messages ---- */
#settingsResult,
#feedTestResult {
    padding: 0.5rem 0.75rem;
    border-radius: var(--tr-radius-sm);
    font-size: 0.82rem;
    font-family: var(--tr-font-mono);
}
#settingsResult.success,
#feedTestResult.success {
    background: rgba(0, 230, 118, 0.1);
    color: var(--tr-accent-success);
    border: 1px solid rgba(0, 230, 118, 0.3);
}
#settingsResult.error,
#feedTestResult.error {
    background: rgba(255, 59, 92, 0.1);
    color: var(--tr-accent-danger);
    border: 1px solid rgba(255, 59, 92, 0.3);
}