/* Custom fonts */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@400;500;600;700&family=Fira+Sans:wght@300;400;500;600;700&display=swap');

:root {
    --font-mono: 'Fira Code', ui-monospace, monospace;
    --font-display: 'Fira Sans', system-ui, sans-serif;
    --font-serif: 'Fira Sans', system-ui, sans-serif; /* unused in this theme */
    --color-primary: #3b82f6;
    --color-primary-dark: #2563eb;
    --color-accent: #f59e0b;
    --color-bg: #0f172a;
    --color-bg-light: #1e293b;
    --color-bg-card: #1e293b;
    --color-text: #e2e8f0;
    --color-text-muted: #a8b8c8;   /* was #94a3b8 — bumped for 4.5:1 contrast on #0f172a */
    --color-border: #334155;
}

/* Base styles */
body {
    font-family: var(--font-display);
    background: var(--color-bg);
    color: var(--color-text);
}

/* Header */
.site-header {
    background: var(--color-bg-light);
    border-bottom: 1px solid var(--color-border);
    box-shadow: 0 1px 0 rgba(59, 130, 246, 0.15);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
}

.header-left {
    display: flex;
    flex-direction: column;
    gap: 4px;
    flex-shrink: 0;
}

.header-left-top {
    display: flex;
    align-items: center;
    gap: 12px;
}

/* Header search container — fills remaining space, overlays on focus */
.header-inner {
    position: relative;
}

.header-search-container {
    width: clamp(260px, 30vw, 480px);
    flex-shrink: 0;
    position: relative;
    z-index: 1;
}

.header-search-container.expanded {
    position: absolute;
    left: 0;
    right: 0;
    width: auto;
    top: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    z-index: 20;
}

.header-search-container.expanded .search-bar {
    flex: 1;
}

@media (max-width: 767px) {
    .header-inner {
        flex-direction: column;
        align-items: stretch;
        gap: 12px;
    }

    .header-search-container.expanded {
        position: relative;
        top: auto;
        transform: none;
    }
}

.site-title {
    font-family: var(--font-mono);
    font-weight: 700;
    letter-spacing: -0.02em;
}

.site-subtitle {
    font-family: var(--font-mono);
    color: var(--color-text-muted);
}

/* AI badge */
.ai-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 12px;
    background: linear-gradient(135deg, var(--color-primary) 0%, #8b5cf6 100%);
    border-radius: 9999px;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    color: white;
}

.ai-badge::before {
    content: '';
    width: 6px;
    height: 6px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Stats bar */
.stats-bar {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-text-muted);
}

/* Buttons */
.btn-clear {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-primary);
    cursor: pointer;
    transition: color 0.2s;
}

.btn-clear:hover {
    color: var(--color-accent);
}

/* Loading placeholder — reserves space, no layout shift */
.loading-placeholder {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 3rem 0;
    min-height: 80px;
}

.loading-placeholder.dismissed {
    display: none;
}

.loading-text {
    font-family: var(--font-mono);
    color: var(--color-text-muted);
}

/* AG Grid theme - dark scientific */
.ag-theme-alpine {
    --ag-background-color: var(--color-bg-card);
    --ag-header-background-color: #0f172a;
    --ag-odd-row-background-color: var(--color-bg-card);
    --ag-row-hover-color: #334155;
    --ag-selected-row-background-color: rgba(59, 130, 246, 0.2);
    --ag-range-selection-border-color: var(--color-primary);
    --ag-font-family: var(--font-mono);
    --ag-font-size: 13px;
    --ag-foreground-color: var(--color-text);
    --ag-secondary-foreground-color: var(--color-text-muted);
    --ag-borders: solid 1px;
    --ag-border-color: var(--color-border);
    --ag-row-border-width: 1px;
    --ag-row-border-color: var(--color-border);
    --ag-header-foreground-color: var(--color-text);
}

/* Header styling */
.ag-theme-alpine .ag-header {
    border-bottom: 2px solid var(--color-primary);
}

.ag-theme-alpine .ag-header-cell {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 11px;
    letter-spacing: 0.05em;
}

/* Cell styling */
.ag-theme-alpine .ag-cell {
    padding: 12px 16px;
    line-height: 1.5;
}

/* Link styling in grid */
.ag-theme-alpine a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 500;
    transition: color 0.2s;
}

.ag-theme-alpine a:hover {
    color: var(--color-accent);
    text-decoration: none;
}

/* Date column - allow wrapping */
.ag-theme-alpine .date-cell {
    white-space: normal;
    line-height: 1.3;
}

/* Message column - allow text wrapping */
.ag-theme-alpine .message-cell {
    white-space: normal;
    line-height: 1.5;
    font-family: var(--font-display);
    font-size: 14px;
}

/* Expand button in message cell */
.expand-btn {
    display: inline-block;
    margin-left: 8px;
    padding: 2px 6px;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-primary);
    background: transparent;
    border: none;
    cursor: pointer;
    transition: color 0.2s;
}

.expand-btn:hover {
    color: var(--color-accent);
}

/* Discipline badge — color set via inline style from JS per discipline */
.discipline-badge {
    display: inline-block;
    padding: 3px 10px;
    margin-right: 6px;
    margin-bottom: 4px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    font-family: var(--font-mono);
    text-transform: uppercase;
    letter-spacing: 0.03em;
    background: var(--color-primary); /* fallback; overridden by inline style */
    color: white;
    max-width: 100%;
    white-space: normal;
    overflow-wrap: break-word;
}

/* Filter icons */
.ag-theme-alpine .ag-icon-filter {
    color: var(--color-text-muted);
}

.ag-theme-alpine .ag-header-cell-filtered .ag-icon-filter {
    color: var(--color-accent);
}

/* Pagination */
.ag-theme-alpine .ag-paging-panel {
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

/* Custom filter popup */
.ag-theme-alpine .ag-popup {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
}

/* Country badge - flat green */
.country-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    font-family: var(--font-mono);
    letter-spacing: 0.03em;
    background: #059669;
    color: white;
}

/* Position type badge - flat amber */
.position-type-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 600;
    font-family: var(--font-mono);
    letter-spacing: 0.03em;
    background: #c2410c;
    color: white;
    max-width: 100%;
    white-space: normal;
    overflow-wrap: break-word;
}

.checkbox-filter-container {
    background: var(--color-bg-card);
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 13px;
}

.checkbox-filter-container input[type="checkbox"] {
    accent-color: var(--color-primary);
}

/* Footer */
main {
    padding-bottom: 40px;
}

.site-footer-sticky {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 50;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 6px 16px;
    background: var(--color-bg-light);
    border-top: 1px solid var(--color-border);
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-text-muted);
}

.site-footer-sticky a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color 0.2s;
}

.site-footer-sticky a:hover {
    color: var(--color-accent);
}

.footer-disclaimer {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.footer-links {
    display: flex;
    align-items: center;
    gap: 6px;
    white-space: nowrap;
    flex-shrink: 0;
}

.footer-sep {
    opacity: 0.4;
}

.footer-github {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* Terminal-style decorations */
.terminal-prompt::before {
    content: '>';
    color: var(--color-accent);
    margin-right: 8px;
    font-weight: bold;
}

/* Scrollbar styling */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--color-bg);
}

::-webkit-scrollbar-thumb {
    background: var(--color-border);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--color-text-muted);
}

/* Collapsible badge layout */
.badge-stack {
    display: flex;
    flex-direction: column;
    gap: 4px;
    align-items: flex-start;
}

.badge-collapsed {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    gap: 4px;
}

.badge-toggle {
    display: inline-block;
    padding: 1px 6px;
    font-family: var(--font-mono);
    font-size: 10px;
    color: var(--color-text-muted);
    background: transparent;
    border: 1px solid var(--color-border);
    border-radius: 3px;
    cursor: pointer;
    transition: color 0.2s, border-color 0.2s;
    white-space: nowrap;
    vertical-align: middle;
}

.badge-toggle:hover {
    color: var(--color-primary);
    border-color: var(--color-primary);
}


/* Disclaimer */

/* Responsive adjustments */
@media (max-width: 768px) {
    .ag-theme-alpine {
        --ag-font-size: 12px;
    }

    .ag-theme-alpine .ag-cell {
        padding: 8px 12px;
    }

    .site-title {
        font-size: 1.25rem;
    }

    .footer-disclaimer {
        display: none;
    }

    .site-footer-sticky {
        justify-content: center;
    }
}

/* Mobile card styles */
.position-card {
    background: var(--color-bg-card);
    border-radius: 0.5rem;
    padding: 1rem;
    margin-bottom: 1rem;
    border: 1px solid var(--color-border);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 0.75rem;
}

.card-date {
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--color-text-muted);
    background: var(--color-bg);
    padding: 4px 8px;
    border-radius: 4px;
    white-space: nowrap;
}

.card-badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-bottom: 0.75rem;
}

.card-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    align-items: center;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--color-text-muted);
    margin-bottom: 0.75rem;
}

.card-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.card-author {
    margin-bottom: 0.75rem;
    min-width: 0;
}

.card-author a {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-primary);
    text-decoration: none;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.card-author a:hover {
    color: var(--color-accent);
}

.card-message {
    font-family: var(--font-display);
    font-size: 14px;
    line-height: 1.6;
    color: var(--color-text);
    margin-bottom: 1rem;
    overflow-wrap: break-word;
    word-break: break-word;
}

.card-message.truncated {
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.card-message.expanded {
    display: block;
    -webkit-line-clamp: unset;
}

.card-expand-btn {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-primary);
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    margin-bottom: 1rem;
}

.card-expand-btn:hover {
    color: var(--color-accent);
}

.card-actions {
    display: flex;
    justify-content: flex-end;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-border);
}

.card-link-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--color-primary);
    color: white;
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    border-radius: 6px;
    text-decoration: none;
    transition: background 0.2s;
}

.card-link-btn:hover {
    background: var(--color-primary-dark);
    color: white;
}

/* Earlier posts (dedup) */
.earlier-posts-section {
    margin-top: 0.75rem;
    padding-top: 0.75rem;
    border-top: 1px solid var(--color-border);
}

.earlier-posts-toggle {
    display: flex;
    align-items: center;
    gap: 6px;
    background: transparent;
    border: none;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 11px;
    color: var(--color-text-muted);
    padding: 4px 0;
    transition: color 0.2s;
}

.earlier-posts-toggle:hover {
    color: var(--color-primary);
}

.earlier-posts-icon {
    font-size: 9px;
}

.earlier-posts-list {
    display: none;
    padding-top: 6px;
    padding-left: 12px;
    border-left: 2px solid var(--color-border);
    margin-left: 4px;
    margin-top: 4px;
}

.earlier-posts-list.open {
    display: block;
}

.earlier-post-item {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 4px 0;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--color-text-muted);
}

.earlier-post-author {
    color: var(--color-text-muted);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 120px;
}

.earlier-post-date {
    color: var(--color-text-muted);
    opacity: 0.7;
    white-space: nowrap;
}

.earlier-post-link {
    color: var(--color-primary);
    text-decoration: none;
    white-space: nowrap;
    margin-left: auto;
}

.earlier-post-link:hover {
    color: var(--color-accent);
}

/* ─── Global search bar ────────────────────────────────────────────────────── */

.search-bar {
    display: flex;
    align-items: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding: 8px 8px 8px 16px;
    gap: 8px;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.search-bar:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15), 0 8px 32px rgba(0, 0, 0, 0.5);
}

.search-bar.has-query {
    border-color: var(--color-primary);
}

.search-prompt {
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-accent);
    font-weight: 600;
    white-space: nowrap;
    user-select: none;
    letter-spacing: 0.03em;
}

.search-input {
    flex: 1;
    background: transparent;
    border: none;
    outline: none;
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 14px;
    padding: 8px 0;
    min-width: 0;
}

.search-input::placeholder {
    color: var(--color-text-muted);
}

.search-clear-btn {
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    cursor: pointer;
    font-size: 13px;
    padding: 5px 8px;
    border-radius: 4px;
    transition: color 0.15s, background 0.15s;
    line-height: 1;
    flex-shrink: 0;
}

.search-clear-btn:hover {
    color: var(--color-text);
    background: var(--color-border);
}

.search-btn {
    background: var(--color-primary);
    color: white;
    border: none;
    border-radius: 6px;
    padding: 8px 20px;
    font-family: var(--font-mono);
    font-size: 13px;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s;
    white-space: nowrap;
    flex-shrink: 0;
}

.search-btn:hover {
    background: var(--color-primary-dark);
}

/* Filter loading state */
.filter-panel.filters-loading {
    opacity: 0.6;
    pointer-events: none;
}

.filter-panel.filters-loading .filter-section-header {
    cursor: default;
}

.loading-indicator {
    display: none;
}

.loading-indicator .spinner {
    width: 14px;
    height: 14px;
    border: 2px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Mobile accordion filter panel */
.filter-panel {
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 0.5rem;
    padding: 0 1rem;
}

.filter-section {
    border-bottom: 1px solid var(--color-border);
}

.filter-section-last {
    border-bottom: none;
}

.filter-section-header {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 0;
    background: transparent;
    border: none;
    cursor: pointer;
    color: var(--color-text);
}

.filter-section-title {
    font-family: var(--font-mono);
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
}

.filter-section-right {
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-chevron {
    font-size: 10px;
    color: var(--color-text-muted);
}

.filter-badge {
    display: none;
    align-items: center;
    justify-content: center;
    min-width: 18px;
    height: 18px;
    padding: 0 5px;
    background: var(--color-primary);
    color: white;
    border-radius: 9999px;
    font-family: var(--font-mono);
    font-size: 10px;
    font-weight: 600;
}

.filter-section-body {
    display: none;
    padding-bottom: 12px;
}

.filter-section-body.open {
    display: block;
}

.filter-search-input {
    width: 100%;
    padding: 7px 10px;
    margin-bottom: 8px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    color: var(--color-text);
    font-family: var(--font-mono);
    font-size: 12px;
    outline: none;
    box-sizing: border-box;
}

.filter-search-input:focus {
    border-color: var(--color-primary);
}

.filter-option {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 5px 0;
    cursor: pointer;
    font-family: var(--font-mono);
    font-size: 13px;
    color: var(--color-text);
    user-select: none;
}

.filter-checkbox {
    accent-color: var(--color-primary);
    width: 14px;
    height: 14px;
    flex-shrink: 0;
    cursor: pointer;
}

#country-options {
    max-height: 200px;
    overflow-y: auto;
}

.filter-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* Responsive card grid */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
    gap: 1.25rem;
    align-items: start;
}

/* Scroll sentinel (invisible trigger for infinite scroll) */
#scroll-sentinel {
    height: 1px;
    margin-top: 2rem;
    display: none;
}

/* Stats bar + view switcher row */
.stats-switcher-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* View mode switcher */
.view-switcher {
    display: none; /* mobile: hidden */
    align-items: center;
    background: var(--color-bg-card);
    border: 1px solid var(--color-border);
    border-radius: 6px;
    padding: 3px;
    gap: 2px;
}

@media (min-width: 768px) {
    .view-switcher {
        display: flex;
    }
}

.view-btn {
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 5px 12px;
    border-radius: 4px;
    border: none;
    background: transparent;
    color: var(--color-text-muted);
    font-family: var(--font-mono);
    font-size: 12px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.15s;
}

.view-btn.active {
    background: var(--color-primary);
    color: white;
}

.view-btn:not(.active):hover {
    color: var(--color-text);
    background: var(--color-border);
}

/* Table view height */
.grid-viewport {
    height: calc(100vh - 260px);
    min-height: 400px;
}

/* Desktop: horizontal filter bar with dropdown panels */
@media (min-width: 768px) {
    .filter-panel {
        display: flex;
        flex-direction: row;
        padding: 0;
    }

    .filter-section {
        flex: 1;
        border-bottom: none;
        border-right: 1px solid var(--color-border);
        position: relative;
        padding: 0 1rem;
    }

    .filter-section-last {
        border-right: none;
    }

    .filter-section-body.open {
        position: absolute;
        top: calc(100% + 1px);
        left: -1px;
        right: -1px;
        z-index: 100;
        background: var(--color-bg-card);
        border: 1px solid var(--color-border);
        border-top: 2px solid var(--color-primary);
        border-radius: 0 0 8px 8px;
        padding: 12px;
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
    }

    #country-options {
        max-height: 240px;
    }
}

/* ─── Focus-visible rings ──────────────────────────────────────────────────── */

.expand-btn:focus-visible,
.card-expand-btn:focus-visible,
.card-link-btn:focus-visible,
.earlier-posts-toggle:focus-visible,
.badge-toggle:focus-visible,
.btn-clear:focus-visible,
.search-btn:focus-visible,
.search-clear-btn:focus-visible,
.filter-section-header:focus-visible,
.view-btn:focus-visible,
.badge-toggle:focus-visible {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
    border-radius: 3px;
}

/* ─── Reduced motion ───────────────────────────────────────────────────────── */

@media (prefers-reduced-motion: reduce) {
    .ai-badge::before {
        animation: none;
        opacity: 1;
    }

    .loading-indicator .spinner {
        animation: none;
        border-top-color: var(--color-primary);
    }

    * {
        transition-duration: 0.01ms !important;
    }
}