/* BERT Interlinker - Notion-inspired design system */

/* ── Design Tokens (Light — default) ──────────────────────── */

:root {
  --bg-page: #FFFFFF;
  --bg-hover: #F7F7F5;
  --bg-active: #EFEDEB;
  --bg-tag: #F1F1EF;
  --border-default: #E3E2DE;
  --border-light: #F1F1EF;
  --text-primary: #37352F;
  --text-secondary: #787774;
  --text-muted: #9B9A97;
  --text-faint: #C4C3BF;
  --accent-blue: #2EAADC;
  --accent-blue-bg: rgba(46, 170, 220, 0.13);
  --accent-green: #448361;
  --accent-green-bg: rgba(68, 131, 97, 0.08);
  --accent-red: #EB5757;
  --accent-red-bg: rgba(235, 87, 87, 0.08);
  --accent-orange: #D9730D;
  --accent-orange-bg: rgba(217, 115, 13, 0.08);
  --accent-yellow: #CB912F;
  --accent-yellow-bg: rgba(203, 145, 47, 0.08);
  --accent-purple-bg: rgba(120, 85, 180, 0.08);
  --score-high: #448361;
  --score-mid: #D9730D;
  --score-low: #9B9A97;
}

/* ── Design Tokens (Dark) ─────────────────────────────────── */

[data-theme="dark"] {
  --bg-page: #18181b;
  --bg-hover: #27272a;
  --bg-active: #3f3f46;
  --bg-tag: #27272a;
  --border-default: #3f3f46;
  --border-light: #27272a;
  --text-primary: #fafafa;
  --text-secondary: #a1a1aa;
  --text-muted: #71717a;
  --text-faint: #52525b;
  --accent-blue: #60a5fa;
  --accent-blue-bg: rgba(96, 165, 250, 0.12);
  --accent-green: #4ade80;
  --accent-green-bg: rgba(74, 222, 128, 0.1);
  --accent-red: #f87171;
  --accent-red-bg: rgba(248, 113, 113, 0.12);
  --accent-orange: #fb923c;
  --accent-orange-bg: rgba(251, 146, 60, 0.1);
  --accent-yellow: #facc15;
  --accent-yellow-bg: rgba(250, 204, 21, 0.1);
  --accent-purple-bg: rgba(167, 139, 250, 0.12);
  --score-high: #4ade80;
  --score-mid: #fb923c;
  --score-low: #71717a;
}

/* Dark heatmap overrides */
[data-theme="dark"] .heatmap-0 { background-color: #172554; color: #94a3b8; }
[data-theme="dark"] .heatmap-1 { background-color: #1e3a5f; color: #94a3b8; }
[data-theme="dark"] .heatmap-2 { background-color: #1e40af; color: #cbd5e1; }
[data-theme="dark"] .heatmap-3 { background-color: #2563eb; color: white; }
[data-theme="dark"] .heatmap-4 { background-color: #3b82f6; color: white; }
[data-theme="dark"] .heatmap-5 { background-color: #60a5fa; color: #0f172a; }
[data-theme="dark"] .heatmap-6 { background-color: #93c5fd; color: #0f172a; }
[data-theme="dark"] .heatmap-7 { background-color: #bfdbfe; color: #0f172a; }
[data-theme="dark"] .heatmap-8 { background-color: #dbeafe; color: #0f172a; }
[data-theme="dark"] .heatmap-self { background-color: #27272a !important; color: #52525b !important; }

/* Dark overrides for buttons with hardcoded white */
[data-theme="dark"] .btn-export { background: #27272a; color: #a1a1aa; border-color: #3f3f46; }
[data-theme="dark"] .btn-export:hover { background: #3f3f46; border-color: #71717a; }
[data-theme="dark"] .btn-secondary { background: #27272a; color: #fafafa; border-color: #3f3f46; }
[data-theme="dark"] .btn-secondary:hover { background: #3f3f46; }
[data-theme="dark"] .rec-pagination .page-btn { background: #27272a; color: #a1a1aa; border-color: #3f3f46; }
[data-theme="dark"] .rec-pagination .page-btn:hover { background: #3f3f46; }
[data-theme="dark"] .rec-pagination .page-btn.active { background: #fafafa; color: #09090b; border-color: #fafafa; }
[data-theme="dark"] .dash-download:hover { background: #e4e4e7; }

/* ── HTMX loading indicator ───────────────────────────────── */

.htmx-indicator {
    display: none;
}
.htmx-request .htmx-indicator,
.htmx-request.htmx-indicator {
    display: block;
}

/* ── Progress bar animation ───────────────────────────────── */

.progress-bar {
    transition: width 0.5s ease-in-out;
}

/* ── Heatmap cell colors ──────────────────────────────────── */

.heatmap-0 { background-color: #f0f9ff; }
.heatmap-1 { background-color: #dbeafe; }
.heatmap-2 { background-color: #bfdbfe; }
.heatmap-3 { background-color: #93c5fd; }
.heatmap-4 { background-color: #60a5fa; }
.heatmap-5 { background-color: #3b82f6; }
.heatmap-6 { background-color: #2563eb; }
.heatmap-7 { background-color: #1d4ed8; color: white; }
.heatmap-8 { background-color: #1e40af; color: white; }
.heatmap-9 { background-color: #1e3a5f; color: white; }

/* ── Similarity score colors (Notion palette) ─────────────── */

.score-high { color: var(--score-high); }
.score-medium { color: var(--score-mid); }
.score-low { color: var(--score-low); }

.score-bg-high { background-color: var(--accent-green-bg); color: var(--accent-green); }
.score-bg-medium { background-color: var(--accent-orange-bg); color: var(--accent-orange); }
.score-bg-low { background-color: var(--bg-tag); color: var(--text-muted); }

/* ── Folder color palette (12 accessible colors) ─────────── */

.folder-1 { background-color: #3b82f6; color: white; }
.folder-2 { background-color: #10b981; color: white; }
.folder-3 { background-color: #f59e0b; color: white; }
.folder-4 { background-color: #ef4444; color: white; }
.folder-5 { background-color: #8b5cf6; color: white; }
.folder-6 { background-color: #ec4899; color: white; }
.folder-7 { background-color: #06b6d4; color: white; }
.folder-8 { background-color: #84cc16; color: white; }
.folder-9 { background-color: #f97316; color: white; }
.folder-10 { background-color: #6366f1; color: white; }
.folder-11 { background-color: #14b8a6; color: white; }
.folder-12 { background-color: #a855f7; color: white; }
.folder-other { background-color: #6b7280; color: white; }

/* ── Severity badges ──────────────────────────────────────── */

.severity-critical { background-color: var(--accent-red-bg); color: var(--accent-red); border: 1px solid rgba(235, 87, 87, 0.2); }
.severity-high { background-color: var(--accent-orange-bg); color: var(--accent-orange); border: 1px solid rgba(217, 115, 13, 0.2); }
.severity-medium { background-color: var(--accent-blue-bg); color: var(--accent-blue); border: 1px solid rgba(46, 170, 220, 0.2); }

/* ── Action label badges ──────────────────────────────────── */

.action-build_cluster { background-color: var(--accent-green-bg); color: var(--accent-green); }
.action-expand { background-color: var(--accent-blue-bg); color: var(--accent-blue); }
.action-recategorise { background-color: var(--accent-orange-bg); color: var(--accent-orange); }
.action-consolidate { background-color: var(--accent-red-bg); color: var(--accent-red); }

/* ── Drop zone active state ───────────────────────────────── */

.drop-zone-active {
    border-color: var(--text-primary) !important;
    background-color: var(--bg-hover) !important;
}

/* ── Sortable table headers ───────────────────────────────── */

th[data-sort] {
    cursor: pointer;
    user-select: none;
}
th[data-sort]:hover {
    color: var(--text-secondary);
}

/* ── Truncate long URLs ───────────────────────────────────── */

.url-truncate {
    max-width: 300px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* ── Custom form controls ─────────────────────────────────── */

select,
input[type="text"],
input[type="number"],
input[type="search"],
input[type="email"],
input[type="url"] {
    appearance: none;
    -webkit-appearance: none;
    background-color: var(--bg-page);
    border: 1px solid var(--border-default);
    border-radius: 4px;
    padding: 6px 12px;
    font-family: inherit;
    font-size: 13px;
    color: var(--text-primary);
    outline: none;
    transition: border-color 0.15s ease;
}

select {
    padding-right: 28px;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239B9A97' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    background-size: 12px;
    cursor: pointer;
}

select:focus,
input[type="text"]:focus,
input[type="number"]:focus,
input[type="search"]:focus {
    border-color: var(--text-primary);
}

input::placeholder { color: var(--text-faint); }

/* Remove number input spinners */
input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
    -webkit-appearance: none;
    margin: 0;
}
input[type="number"] { -moz-appearance: textfield; }

/* ── Toggle button groups ─────────────────────────────────── */

.toggle-group {
    display: flex;
    background: var(--bg-tag);
    border: 1px solid var(--border-default);
    border-radius: 4px;
    overflow: hidden;
}
.toggle-group button,
.toggle-group span {
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    cursor: pointer;
    color: var(--text-muted);
    border: none;
    border-right: 1px solid var(--border-default);
    background: transparent;
    white-space: nowrap;
    transition: color 0.1s, background 0.1s;
}
.toggle-group button:last-child,
.toggle-group span:last-child {
    border-right: none;
}
.toggle-group button.active,
.toggle-group span.active {
    background: var(--accent-blue-bg);
    color: var(--accent-blue);
}
.toggle-group button:hover:not(.active) {
    color: var(--text-secondary);
}

/* ── Recommendations table ────────────────────────────────── */

.rec-table { width: 100%; border-collapse: collapse; }
.rec-table thead th {
    padding: 10px 16px;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    color: var(--text-muted);
    text-align: left;
    border-bottom: 1px solid var(--border-default);
    white-space: nowrap;
    cursor: pointer;
    user-select: none;
}
.rec-table thead th:hover { color: var(--text-secondary); }
.rec-table thead th.text-right { text-align: right; }

.rec-table tbody td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-light);
    vertical-align: top;
}
.rec-table tbody tr:hover { background: var(--bg-hover); }
.rec-table tbody tr:last-child td { border-bottom: none; }

.rec-page-title {
    font-weight: 500;
    font-size: 13px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 340px;
}
.rec-page-title a { color: var(--text-primary); text-decoration: none; }
.rec-page-title a:hover { text-decoration: underline; }
.rec-page-title.source { color: var(--text-secondary); font-weight: 400; }

.rec-page-url {
    font-size: 11px;
    color: var(--text-faint);
    font-family: 'SF Mono', SFMono-Regular, ui-monospace, 'DejaVu Sans Mono', Menlo, Consolas, monospace;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 340px;
    margin-top: 1px;
}

.rec-arrow { color: var(--text-faint); text-align: center; vertical-align: middle; width: 30px; }

.rec-score {
    font-family: 'SF Mono', SFMono-Regular, ui-monospace, 'DejaVu Sans Mono', Menlo, Consolas, monospace;
    font-size: 13px;
    font-weight: 600;
}
.rec-score.high { color: var(--score-high); }
.rec-score.mid  { color: var(--score-mid); }
.rec-score.low  { color: var(--score-low); }

.rec-folder-tag {
    font-size: 11px;
    font-weight: 600;
    color: var(--text-muted);
    background: var(--bg-tag);
    padding: 2px 8px;
    border-radius: 4px;
    white-space: nowrap;
}

/* ── Filter bar ───────────────────────────────────────────── */

.filter-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-bottom: 1px solid var(--border-default);
    background: var(--bg-page);
    gap: 12px;
}
.filter-bar .filter-left {
    display: flex;
    align-items: center;
    gap: 12px;
    flex: 1;
}
.filter-bar .filter-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}

.filter-bar .search-wrap {
    position: relative;
    flex: 1;
    max-width: 320px;
}
.filter-bar .search-wrap input {
    width: 100%;
    padding-left: 32px;
}
.filter-bar .search-icon {
    position: absolute;
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-faint);
    pointer-events: none;
}

.results-count {
    font-size: 12px;
    color: var(--text-muted);
    white-space: nowrap;
}
.results-count strong { color: var(--text-secondary); }

.btn-export {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 6px 12px;
    font-size: 12px;
    font-weight: 600;
    font-family: inherit;
    background: white;
    color: var(--text-secondary);
    border: 1px solid var(--border-default);
    border-radius: 4px;
    cursor: pointer;
    white-space: nowrap;
    text-decoration: none;
}
.btn-export:hover { background: var(--bg-hover); border-color: var(--text-muted); }

/* ── Pagination ───────────────────────────────────────────── */

.rec-pagination {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 12px 16px;
    border-top: 1px solid var(--border-default);
    font-size: 12px;
    color: var(--text-muted);
}
.rec-pagination .page-btns { display: flex; gap: 4px; }
.rec-pagination .page-btn {
    padding: 4px 10px;
    border: 1px solid var(--border-default);
    border-radius: 4px;
    background: white;
    color: var(--text-secondary);
    font-size: 12px;
    font-weight: 500;
    font-family: inherit;
    cursor: pointer;
}
.rec-pagination .page-btn:hover { background: var(--bg-hover); }
.rec-pagination .page-btn.active {
    background: var(--text-primary);
    color: white;
    border-color: var(--text-primary);
}

/* ── Dashboard header ─────────────────────────────────────── */

.dash-download {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 20px;
    font-size: 13px;
    font-weight: 700;
    font-family: inherit;
    background: var(--text-primary);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
}
.dash-download:hover { background: #2B2926; }

/* ── Dashboard tabs ───────────────────────────────────────── */

.dash-tab {
    padding: 10px 18px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-muted);
    cursor: pointer;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    text-decoration: none;
    transition: color 0.1s;
    white-space: nowrap;
}
.dash-tab:hover { color: var(--text-secondary); }
.dash-tab.active {
    color: var(--text-primary);
    border-bottom-color: var(--text-primary);
    font-weight: 600;
}

/* ── Folder search input ──────────────────────────────────── */

.folder-search-wrap {
    position: relative;
}
.folder-search-wrap input {
    padding-left: 28px;
    width: 150px;
    font-size: 12px;
}
.folder-search-wrap .folder-icon {
    position: absolute;
    left: 9px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-faint);
    pointer-events: none;
}

/* ── Notion-style button classes ──────────────────────────── */

.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    background: var(--text-primary);
    color: white;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.1s;
}
.btn-primary:hover { background: #2B2926; }

.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 8px 16px;
    font-size: 14px;
    font-weight: 500;
    font-family: inherit;
    background: white;
    color: var(--text-primary);
    border: 1px solid var(--border-default);
    border-radius: 4px;
    cursor: pointer;
    text-decoration: none;
    transition: background 0.1s;
}
.btn-secondary:hover { background: var(--bg-hover); }

/* ── Homepage mock containers ────────────────────────────── */

.hp-mock-container {
    border: 1px solid var(--border-default);
    border-radius: 4px;
    overflow: hidden;
    background: var(--bg-page);
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.04);
}
.hp-mock-header {
    background: var(--bg-hover);
    border-bottom: 1px solid var(--border-default);
    padding: 8px 12px;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 6px;
}
.hp-mock-header .mock-dots {
    display: flex;
    gap: 4px;
}
.hp-mock-header .mock-dots span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--border-default);
}
/* pointer-events disabled on non-interactive mock tables only */
.hp-mock-container table.no-interact { pointer-events: none; }

/* Heatmap diagonal cells */
.heatmap-self {
    background-color: var(--bg-hover) !important;
    color: var(--text-faint) !important;
}

/* Feature label */
.hp-feature-label {
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.6px;
    color: var(--accent-blue);
    margin-bottom: 8px;
}

/* Step arrows (desktop only) */
@media (min-width: 640px) {
    .hp-step-card {
        position: relative;
    }
    .hp-step-card:not(:last-child)::after {
        content: '';
        position: absolute;
        top: 28px;
        right: -20px;
        width: 0;
        height: 0;
        border-top: 8px solid transparent;
        border-bottom: 8px solid transparent;
        border-left: 10px solid var(--border-default);
    }
}

/* Scroll fade-in animation */
.hp-feature-section {
    opacity: 0;
    transform: translateY(20px);
    animation: hpFadeIn 0.5s ease forwards;
}
.hp-feature-section:nth-child(1) { animation-delay: 0s; }
.hp-feature-section:nth-child(2) { animation-delay: 0.1s; }
.hp-feature-section:nth-child(3) { animation-delay: 0.2s; }
.hp-feature-section:nth-child(4) { animation-delay: 0.3s; }

@keyframes hpFadeIn {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Mock table horizontal scroll on mobile */
.hp-mock-scroll {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}

/* Interactive heatmap cell highlight */
.hp-heatmap-cell.active {
    outline: 2px solid var(--text-primary);
    outline-offset: -2px;
    opacity: 1 !important;
}

/* Heatmap drill-down modal */
.hp-modal-backdrop {
    position: fixed;
    inset: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(4px);
    -webkit-backdrop-filter: blur(4px);
    animation: hpFadeBackdrop 0.15s ease;
    padding: 16px;
}
.hp-modal-backdrop.hidden {
    display: none;
}
.hp-modal {
    background: var(--bg-page);
    border: 1px solid var(--border-default);
    border-radius: 8px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15), 0 2px 8px rgba(0, 0, 0, 0.08);
    width: 100%;
    max-width: 640px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
    animation: hpScaleIn 0.15s ease;
}
.hp-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--border-default);
    background: var(--bg-hover);
    border-radius: 8px 8px 0 0;
}
.hp-modal-close {
    background: none;
    border: none;
    font-size: 20px;
    line-height: 1;
    color: var(--text-muted);
    cursor: pointer;
    padding: 2px 6px;
    border-radius: 4px;
    transition: color 0.1s, background 0.1s;
    flex-shrink: 0;
}
.hp-modal-close:hover {
    color: var(--text-primary);
    background: var(--bg-active);
}
.hp-modal-body {
    overflow-y: auto;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
}
.hp-modal-footer {
    padding: 14px 16px;
    border-top: 1px solid var(--border-default);
    text-align: center;
    border-radius: 0 0 8px 8px;
}
@keyframes hpFadeBackdrop {
    from { opacity: 0; }
    to   { opacity: 1; }
}
@keyframes hpScaleIn {
    from { opacity: 0; transform: scale(0.95) translateY(8px); }
    to   { opacity: 1; transform: scale(1) translateY(0); }
}

/* Most Popular badge */
.hp-popular-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--text-primary);
    color: white;
    font-size: 10px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: 3px 10px;
    border-radius: 9999px;
    white-space: nowrap;
}