/* ==========================================================================
   fraud_intel - design system
   Warm-neutral, Anthropic-inspired theme extracted from the Lineage Tracing app.
   Variable-driven, single file, no build step.
   ========================================================================== */

:root {
    /* Surface Colors */
    --bg-primary: #faf9f7;
    --bg-secondary: #f3f1ed;
    --bg-card: #ffffff;
    --bg-glass: rgba(250, 249, 247, 0.92);
    --bg-sidebar: #e4e1da;

    /* Text Colors */
    --text-primary: #191918;
    --text-secondary: #4a4a48;
    --text-muted: #8b8b89;
    --text-light: #b0b0ae;

    /* Accent Colors */
    --accent-primary: #c4704b;
    --accent-primary-light: #d4896a;
    --accent-primary-hover: #b35f3c;
    --accent-blue: #5b7a9e;
    --accent-blue-light: #7a98b8;
    --accent-green: #5a8a72;
    --accent-green-light: #7aaa92;
    --accent-yellow: #b8943d;
    --accent-yellow-light: #d4b15a;
    --accent-red: #c25e5e;
    --accent-red-light: #d47a7a;
    --accent-purple: #8b7aab;
    --accent-purple-light: #a598c0;

    /* Borders */
    --border-light: #e8e5e1;
    --border-medium: #d5d1cb;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.03);
    --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-xl: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.04);

    /* Gradients */
    --gradient-primary: linear-gradient(135deg, #191918 0%, #2a2a28 100%);
    --gradient-accent: linear-gradient(135deg, #c4704b 0%, #d4896a 100%);
    --gradient-success: linear-gradient(135deg, #5a8a72 0%, #4a7a62 100%);
    --gradient-warning: linear-gradient(135deg, #b8943d 0%, #a8842d 100%);
    --gradient-danger: linear-gradient(135deg, #c25e5e 0%, #b24e4e 100%);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 200ms ease;
    --transition-slow: 300ms ease;

    /* Border Radius */
    --radius-sm: 6px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 16px;
    --radius-full: 9999px;

    /* Sidebar */
    --sidebar-width: 260px;
    --sidebar-collapsed-width: 72px;

    /* Typography */
    --font-serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', 'Consolas', monospace;
}

/* ===== Reset & base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
    font-family: var(--font-sans);
    color: var(--text-primary);
    background: var(--bg-primary);
    line-height: 1.65;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
h1, h2, h3, .page-title, .card-title, .section-title, .stat-value {
    font-family: var(--font-serif);
    letter-spacing: -0.01em;
}
a { color: var(--accent-primary); text-decoration: none; }
a:hover { color: var(--accent-primary-hover); }
code, pre, .mono { font-family: var(--font-mono); }

/* ===== Layout shell ===== */
.app-container { display: flex; min-height: 100vh; }
.main-content {
    margin-left: var(--sidebar-width);
    flex: 1;
    background: var(--bg-primary);
    min-height: 100vh;
    transition: margin-left var(--transition-slow);
}
.content-header {
    background: var(--bg-glass);
    padding: 20px 32px;
    border-bottom: 1px solid var(--border-light);
    display: flex; justify-content: space-between; align-items: center;
    position: sticky; top: 0; z-index: 100;
    backdrop-filter: blur(12px);
}
.page-title { font-size: clamp(22px, 2.5vw, 28px); font-weight: 600; }
.header-actions { display: flex; gap: 10px; align-items: center; }
.content-body { padding: 28px 32px; animation: fadeInUp 0.4s ease-out; }

/* ===== Sidebar ===== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    position: fixed; top: 0; left: 0; bottom: 0;
    display: flex; flex-direction: column;
    border-right: 1px solid var(--border-medium);
    transition: width var(--transition-slow), transform var(--transition-slow);
    z-index: 200;
}
.sidebar-brand { border-bottom: 1px solid var(--border-medium); }
.sidebar-logo-card {
    margin: 16px 16px 0;
    background: #fff;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
    padding: 18px 20px;
    display: flex; align-items: center; justify-content: center;
}
.sidebar-logo-card img { max-width: 100%; height: auto; }
.sidebar-header {
    padding: 14px 20px 16px;
    display: flex; align-items: center; gap: 12px;
}
.logo { display: flex; align-items: center; gap: 12px; }
.logo-mark {
    width: 36px; height: 36px; border-radius: var(--radius-md);
    background: var(--gradient-accent);
    display: flex; align-items: center; justify-content: center;
    color: #fff; font-weight: 700; font-family: var(--font-serif);
    flex-shrink: 0; box-shadow: var(--shadow-sm);
}
.logo-text { font-family: var(--font-serif); font-weight: 600; font-size: 16px; line-height: 1.2; }
.logo-text small { display: block; font-size: 10px; color: var(--text-muted); font-family: var(--font-sans); text-transform: uppercase; letter-spacing: 0.08em; }

.sidebar-nav { padding: 8px 12px; flex: 1; overflow-y: auto; }
.nav-section-label {
    font-size: 10px; text-transform: uppercase; letter-spacing: 0.1em;
    color: var(--text-muted); font-weight: 600;
    padding: 14px 12px 6px;
}
.nav-item {
    display: flex; align-items: center; gap: 12px;
    padding: 10px 12px; margin: 2px 0;
    border-radius: var(--radius-md);
    color: var(--text-secondary); font-weight: 500;
    position: relative;
    transition: all var(--transition-fast);
}
.nav-item:hover { background: rgba(255,255,255,0.5); color: var(--text-primary); }
.nav-item.active { background: var(--bg-card); color: var(--accent-primary); box-shadow: var(--shadow-sm); }
.nav-item.active::before {
    content: ""; position: absolute; left: -12px; top: 50%; transform: translateY(-50%);
    width: 3px; height: 22px; border-radius: var(--radius-full);
    background: var(--accent-primary);
}
.nav-icon { display: inline-flex; width: 20px; height: 20px; flex-shrink: 0; }
.nav-icon svg { width: 20px; height: 20px; }
.nav-text { white-space: nowrap; }

.sidebar-footer { padding: 14px 16px; border-top: 1px solid var(--border-medium); }

/* ===== Collapsed (slim icon rail) ===== */
.sidebar-collapse-btn { display: inline-flex; }
.sidebar-collapse-btn svg { width: 18px; height: 18px; }

.sidebar-collapsed .sidebar { width: var(--sidebar-collapsed-width); }
.sidebar-collapsed .main-content { margin-left: var(--sidebar-collapsed-width); }

/* Hide text-bearing chrome; keep icons centered on the rail. */
.sidebar-collapsed .nav-text,
.sidebar-collapsed .logo-text,
.sidebar-collapsed .nav-section-label,
.sidebar-collapsed .sidebar-logo-card,
.sidebar-collapsed .sidebar-footer-text,
.sidebar-collapsed .sidebar-footer .nav-text { display: none; }

.sidebar-collapsed .sidebar-header { justify-content: center; padding: 16px 0; }
.sidebar-collapsed .logo { justify-content: center; }
.sidebar-collapsed .nav-item { justify-content: center; padding: 10px 0; }
.sidebar-collapsed .nav-item.active::before { left: 0; }
.sidebar-collapsed .sidebar-footer { padding: 12px 8px; }
.sidebar-collapsed .sidebar-footer > div { flex-direction: column; justify-content: center; gap: 8px; }

/* Tooltip on hover so nav stays discoverable when labels are hidden. */
.sidebar-collapsed .nav-item::after {
    content: attr(data-label);
    position: absolute; left: calc(100% + 10px); top: 50%; transform: translateY(-50%);
    background: var(--text-primary); color: #fff;
    padding: 5px 10px; border-radius: var(--radius-sm);
    font-size: 12px; font-weight: 500; white-space: nowrap;
    opacity: 0; pointer-events: none; box-shadow: var(--shadow-md);
    transition: opacity var(--transition-fast); z-index: 300;
}
.sidebar-collapsed .nav-item:hover::after { opacity: 1; }
.avatar {
    width: 34px; height: 34px; border-radius: var(--radius-full);
    background: var(--gradient-primary); color: #fff;
    display: flex; align-items: center; justify-content: center;
    font-weight: 600; flex-shrink: 0;
}
.sidebar-footer-text { margin-top: 8px; }

/* ===== Buttons ===== */
.btn {
    padding: 10px 20px;
    border: 1px solid transparent;
    border-radius: var(--radius-md);
    font-size: 14px; font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
    display: inline-flex; align-items: center; justify-content: center; gap: 8px;
    position: relative; overflow: hidden;
    font-family: var(--font-sans);
}
.btn-primary { background: var(--accent-primary); color: #fff; border-color: var(--accent-primary); }
.btn-primary:hover { background: var(--accent-primary-hover); border-color: var(--accent-primary-hover); transform: translateY(-1px); box-shadow: var(--shadow-md); color: #fff; }
/* Soft tinted action buttons - same colour language as the badges/alerts. */
.btn-success { background: rgba(90, 138, 114, 0.08); color: var(--accent-green); border-color: rgba(90, 138, 114, 0.30); }
.btn-success:hover { background: rgba(90, 138, 114, 0.16); border-color: var(--accent-green); transform: translateY(-1px); box-shadow: var(--shadow-sm); color: var(--accent-green); }
.btn-warning { background: rgba(184, 148, 61, 0.08); color: var(--accent-yellow); border-color: rgba(184, 148, 61, 0.30); }
.btn-warning:hover { background: rgba(184, 148, 61, 0.16); border-color: var(--accent-yellow); transform: translateY(-1px); box-shadow: var(--shadow-sm); color: var(--accent-yellow); }
.btn-danger { background: rgba(194, 94, 94, 0.08); color: var(--accent-red); border-color: rgba(194, 94, 94, 0.30); }
.btn-danger:hover { background: rgba(194, 94, 94, 0.16); border-color: var(--accent-red); transform: translateY(-1px); box-shadow: var(--shadow-sm); color: var(--accent-red); }
.btn-secondary { background: transparent; color: var(--text-secondary); border: 1px solid var(--border-medium); }
.btn-secondary:hover { background: var(--bg-secondary); border-color: var(--text-muted); color: var(--text-primary); }
.btn-sm { padding: 8px 16px; font-size: 13px; }
.btn-lg { padding: 14px 28px; font-size: 16px; }
.btn:disabled, .btn.disabled { opacity: 0.5; cursor: not-allowed; pointer-events: none; }
.btn:focus { outline: none; box-shadow: 0 0 0 2px var(--bg-primary), 0 0 0 4px var(--accent-primary); }
.btn-icon {
    width: 34px; height: 34px; padding: 0;
    display: inline-flex; align-items: center; justify-content: center;
    border-radius: var(--radius-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-light);
    color: var(--text-muted); cursor: pointer;
    transition: all var(--transition-fast);
}
.btn-icon:hover { background: var(--accent-primary); color: #fff; border-color: var(--accent-primary); }

/* ===== Cards ===== */
.card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
    position: relative; overflow: hidden;
}
.card:hover { box-shadow: var(--shadow-md); border-color: var(--border-medium); }
.card-title {
    font-size: 17px; font-weight: 600; margin-bottom: 16px;
    color: var(--text-primary); font-family: var(--font-serif);
    display: flex; align-items: center; gap: 10px;
}
.card-subtitle { font-size: 13px; color: var(--text-muted); margin-top: -10px; margin-bottom: 16px; }
.section-title { font-size: 15px; font-weight: 600; margin: 4px 0 14px; }

/* ===== Stat cards ===== */
.stat-card {
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-card);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
/* KPI cards that drill through into a filtered view (dashboard, network). */
a.stat-card { display: block; text-decoration: none; color: inherit; cursor: pointer; }
a.stat-card:focus-visible { outline: 2px solid var(--accent-primary); outline-offset: 2px; }
.stat-label { font-size: 11px; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.08em; font-weight: 500; margin-bottom: 8px; }
.stat-value { font-size: 32px; font-weight: 700; color: var(--text-primary); line-height: 1.1; }
.stat-value.success { color: var(--accent-green); }
.stat-value.warning { color: var(--accent-yellow); }
.stat-value.danger  { color: var(--accent-red); }
.stat-meta { font-size: 12px; color: var(--text-muted); margin-top: 8px; }

/* ===== Grids ===== */
.grid { display: grid; gap: 24px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}

/* ===== Badges / pills ===== */
.badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 4px 12px; border-radius: var(--radius-full);
    font-size: 12px; font-weight: 600;
}
.badge-primary { background: rgba(196, 112, 75, 0.08); color: var(--accent-primary); }
.badge-success { background: rgba(90, 138, 114, 0.08); color: var(--accent-green); }
.badge-warning { background: rgba(184, 148, 61, 0.08); color: var(--accent-yellow); }
.badge-danger  { background: rgba(194, 94, 94, 0.08);  color: var(--accent-red); }
.badge-blue    { background: rgba(91, 122, 158, 0.08); color: var(--accent-blue); }
.badge-purple  { background: rgba(139, 122, 171, 0.10); color: var(--accent-purple); }
.badge-muted   { background: var(--bg-secondary); color: var(--text-muted); }

/* Compact NLP flag chips shown under the NLP Risk score in the triage queue. */
.nlp-flags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 5px; }
.nlp-flags .badge { padding: 1px 7px; font-size: 10.5px; font-weight: 500; text-transform: capitalize; }

/* Wrapping row of small status chips (eligibility findings, etc.). */
.chip-row { display: flex; flex-wrap: wrap; gap: 5px; }
.chip-row .badge { padding: 2px 9px; font-size: 11.5px; font-weight: 500; }

/* Score attribution list: one labelled bar per signal, its share of the score.
   Shared component - the claim Risk Scores card and the Network ring-detail
   panel both render it, so both read identically. */
.attr-list { display: flex; flex-direction: column; gap: 12px; }
.attr-row { display: flex; flex-direction: column; gap: 5px; }
.attr-head { display: flex; align-items: center; gap: 8px; font-size: 13px; }
.attr-label { font-weight: 600; }
.attr-group { font-size: 10.5px; padding: 1px 7px; flex-shrink: 0; }
.attr-value { margin-left: auto; font-variant-numeric: tabular-nums; color: var(--text-muted); flex-shrink: 0; }
.attr-track { background: var(--bg-secondary); height: 8px; border-radius: var(--radius-full); overflow: hidden; }
.attr-fill { height: 100%; border-radius: var(--radius-full); background: var(--accent-primary); }
.attr-note { font-size: 11px; margin: 10px 0 0; }

/* Muted intro line under a card title (replaces per-page negative-margin hacks). */
.card-intro { font-size: 12.5px; color: var(--text-muted); margin: -2px 0 14px; max-width: 70ch; }

/* Inline outcome / status icons (see templates/_icons.html). */
.ic { width: 14px; height: 14px; vertical-align: -2px; flex: none; }
.ic-pass { color: var(--accent-green); }
.ic-fail { color: var(--accent-red); }
.ic-review { color: var(--accent-yellow); }
.sort-ic { width: 11px; height: 11px; margin-left: 3px; vertical-align: 0; opacity: 0.7; }

/* Collapsible lane detail on the claim Integrity tab - collapsed when the lane
   is clear so attention goes to lanes with findings. */
.lane-collapse > summary { cursor: pointer; font-size: 12px; color: var(--text-muted); padding: 4px 0; }
.lane-collapse > summary:hover { color: var(--text-primary); }
.lane-collapse[open] > summary { margin-bottom: 6px; }

/* Per-lane status strip at the top of the claim Integrity tab. */
.lane-strip { display: flex; flex-wrap: wrap; gap: 8px; margin: 0 0 20px; }
.lane-strip a { display: inline-flex; align-items: center; gap: 7px; padding: 6px 12px;
    border: 1px solid var(--border-light); border-radius: var(--radius-full);
    font-size: 12.5px; font-weight: 500; color: var(--text-secondary);
    background: var(--bg-card); text-decoration: none; transition: all var(--transition-fast, 150ms) ease; }
.lane-strip a:hover { border-color: var(--text-muted); transform: translateY(-1px); box-shadow: var(--shadow-sm); }
.lane-strip a .ls-dot { width: 8px; height: 8px; border-radius: 50%; flex: none; background: var(--text-light); }
.lane-strip a.st-issues .ls-dot { background: var(--accent-red); }
.lane-strip a.st-review .ls-dot { background: var(--accent-yellow); }
.lane-strip a.st-clear  .ls-dot { background: var(--accent-green); }
.lane-strip a.st-none   .ls-dot { background: var(--text-light); }
[id^="lane-"] { scroll-margin-top: 90px; }

/* Card title with a right-aligned count/meta or link. */
.card-title.split { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; }
.card-title.split .meta { font-size: 13px; font-weight: 400; color: var(--text-muted); }

.project-status {
    padding: 6px 14px; border-radius: var(--radius-full);
    font-size: 11px; font-weight: 600;
    text-transform: uppercase; letter-spacing: 0.5px;
    display: inline-flex; align-items: center; gap: 6px;
}
.project-status.active   { background: rgba(90, 138, 114, 0.08); color: var(--accent-green);  border: 1px solid rgba(90, 138, 114, 0.15); }
.project-status.pending  { background: rgba(184, 148, 61, 0.08); color: var(--accent-yellow); border: 1px solid rgba(184, 148, 61, 0.15); }
.project-status.danger   { background: rgba(194, 94, 94, 0.08);  color: var(--accent-red);    border: 1px solid rgba(194, 94, 94, 0.15); }
.project-status.info     { background: rgba(91, 122, 158, 0.08); color: var(--accent-blue);   border: 1px solid rgba(91, 122, 158, 0.15); }

/* Risk dots */
.risk-dot { display: inline-block; width: 9px; height: 9px; border-radius: var(--radius-full); margin-right: 8px; vertical-align: middle; }
.risk-high   { background: var(--accent-red); }
.risk-medium { background: var(--accent-yellow); }
.risk-low    { background: var(--accent-green); }
.risk-none   { background: var(--text-light); }
.text-high   { color: var(--accent-red); font-weight: 600; }
.text-medium { color: var(--accent-yellow); font-weight: 600; }
.text-low    { color: var(--accent-green); font-weight: 600; }
.text-none   { color: var(--text-light); }

/* ===== Tables ===== */
table {
    width: 100%;
    border-collapse: separate; border-spacing: 0;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}
th {
    background: var(--bg-secondary);
    padding: 14px 18px;
    text-align: left; font-weight: 600;
    color: var(--text-primary);
    font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px;
    border-bottom: 1px solid var(--border-light);
    white-space: nowrap;
}
th a { color: inherit; display: inline-flex; align-items: center; gap: 4px; }
th a:hover { color: var(--accent-primary); }
/* Sortable column headers: signal interactivity on every sortable column,
   not just the active one. Inactive columns show a faint ⇅ that strengthens
   on hover; the active column shows its explicit ▲/▼ via .sort-arrow. */
.sort-link { cursor: pointer; }
.sort-link::after {
    content: '⇅';
    font-size: 10px; opacity: 0;
    transition: opacity var(--transition-fast, 0.15s) ease;
}
.sort-link:hover::after { opacity: 0.55; }
.sort-link.is-sorted::after { content: none; }
.sort-arrow { color: var(--accent-primary); font-size: 10px; }
td {
    padding: 14px 18px;
    border-bottom: 1px solid var(--border-light);
    color: var(--text-secondary);
    font-size: 14px;
}
tr:last-child td { border-bottom: none; }
tbody tr { transition: background var(--transition-fast); }
tbody tr:hover td { background: var(--bg-secondary); }
.table-wrap { overflow-x: auto; border-radius: var(--radius-lg); }
.row-link { cursor: pointer; }
.claim-link { color: inherit; text-decoration: none; }
.claim-link:hover { color: var(--accent-primary); }
/* Triage queue: the table scrolls in its own viewport so the filter bar and
   the header row stay visible on long lists. `overflow: visible` on the table
   is required - the default overflow:hidden would become the sticky header's
   scroll container and it would scroll away with the rows. */
#queue .table-wrap { max-height: 70vh; overflow-y: auto; }
#queue table { overflow: visible; }
#queue thead th { position: sticky; top: 0; z-index: 2; }
/* Loading feedback while a filter/sort HTMX request is in flight: fade the
   stale table. The enter delay keeps fast responses from flickering. */
#queue, #providerQueue { transition: opacity 0.15s ease; }
#queue.htmx-request, #providerQueue.htmx-request { opacity: 0.45; transition: opacity 0.2s ease 0.15s; pointer-events: none; }
.num { font-variant-numeric: tabular-nums; font-family: var(--font-mono); font-size: 13px; }

/* ===== Forms ===== */
.form-group { margin-bottom: 24px; }
.form-label { display: block; margin-bottom: 8px; font-weight: 600; color: var(--text-primary); font-size: 14px; }
.form-input, select, textarea {
    width: 100%;
    padding: 10px 14px;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-md);
    font-size: 14px;
    transition: all var(--transition-base);
    background: var(--bg-card);
    color: var(--text-primary);
    font-family: var(--font-sans);
}
.form-input:focus, select:focus, textarea:focus {
    outline: none; border-color: var(--accent-primary);
    box-shadow: 0 0 0 3px rgba(196, 112, 75, 0.08);
}
.form-input:hover, select:hover { border-color: var(--border-medium); }
textarea { resize: vertical; min-height: 90px; }
select {
    cursor: pointer; appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%234a4a48' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10l-5 5z'/%3E%3C/svg%3E");
    background-repeat: no-repeat; background-position: right 16px center; padding-right: 44px;
}
.filter-bar { display: flex; gap: 12px; flex-wrap: wrap; align-items: flex-end; margin-bottom: 20px; }
.filter-bar .form-group { margin-bottom: 0; }
.filter-bar .form-group { min-width: 160px; flex: 1; }
.filter-bar .form-group.grow { flex: 2; }
/* Grouped filter bar (triage queue): filters cluster along the product's
   axes - claim facts / detection signals / review workflow - plus display
   controls. Sets wrap as whole units; dividers drop on narrow screens. */
.filter-bar.grouped { align-items: stretch; row-gap: 20px; }
.filter-set { display: flex; flex-direction: column; gap: 9px; padding: 0 18px; border-left: 1px solid var(--border-light); flex: 1 1 auto; min-width: 0; }
.filter-set:first-child { padding-left: 0; border-left: none; }
.filter-set-display { flex: 0 0 auto; }
.filter-set-label { font-size: 10.5px; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase; color: var(--text-muted); }
.filter-set-fields { display: flex; flex-wrap: wrap; gap: 12px; align-items: flex-end; flex: 1; }
.filter-set-fields .form-group { min-width: 150px; flex: 1; }
.filter-set-fields .form-group.grow { flex: 2; min-width: 200px; }
@media (max-width: 992px) {
    .filter-set { border-left: none; padding: 0; }
}
/* A filter that isn't at its default - applied filters visible at a glance. */
.filter-active { border-color: var(--accent-primary); background-color: rgba(196, 112, 75, 0.06); }
select.filter-active:hover, .form-input.filter-active:hover { border-color: var(--accent-primary); }

/* ===== Alerts ===== */
.alert {
    padding: 14px 18px; border-radius: var(--radius-md);
    margin-bottom: 20px; display: flex; align-items: center; gap: 12px;
    font-size: 13px;
}
.alert-success { background: rgba(90, 138, 114, 0.06); border: 1px solid rgba(90, 138, 114, 0.15); color: var(--accent-green); }
.alert-warning { background: rgba(184, 148, 61, 0.06); border: 1px solid rgba(184, 148, 61, 0.15); color: var(--accent-yellow); }
.alert-error   { background: rgba(194, 94, 94, 0.06);  border: 1px solid rgba(194, 94, 94, 0.15);  color: var(--accent-red); }
.alert-info    { background: rgba(91, 122, 158, 0.06); border: 1px solid rgba(91, 122, 158, 0.15); color: var(--accent-blue); }

/* ===== Empty / placeholder states ===== */
.empty-state, .no-data {
    border: 1.5px dashed var(--border-medium);
    border-radius: var(--radius-lg);
    padding: 40px 24px; text-align: center; color: var(--text-muted);
    background: var(--bg-secondary);
}
.empty-state .icon { font-size: 28px; margin-bottom: 8px; opacity: 0.6; }
.placeholder-canvas {
    border: 1.5px dashed var(--border-medium);
    border-radius: var(--radius-lg);
    background:
        repeating-linear-gradient(45deg, transparent, transparent 14px, rgba(196,112,75,0.03) 14px, rgba(196,112,75,0.03) 28px),
        var(--bg-secondary);
    min-height: 320px;
    display: flex; flex-direction: column; align-items: center; justify-content: center;
    gap: 10px; color: var(--text-muted); text-align: center; padding: 32px;
}
.placeholder-canvas .ph-title { font-family: var(--font-serif); font-size: 18px; color: var(--text-secondary); }
.placeholder-badge {
    display: inline-flex; align-items: center; gap: 6px;
    font-size: 11px; text-transform: uppercase; letter-spacing: 0.08em;
    color: var(--accent-purple); background: rgba(139,122,171,0.10);
    padding: 4px 10px; border-radius: var(--radius-full); font-weight: 600;
}

/* ===== Breadcrumb ===== */
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 12px; color: var(--text-muted); }
.breadcrumb a { color: var(--text-muted); }
.breadcrumb a:hover { color: var(--accent-primary); }
.breadcrumb-item.active { color: var(--text-secondary); }
.breadcrumb-separator { color: var(--text-light); }

/* ===== Toasts ===== */
.toast-container { position: fixed; top: 20px; right: 20px; z-index: 11000; display: flex; flex-direction: column; gap: 10px; }
.toast {
    display: flex; align-items: center; gap: 10px;
    background: var(--bg-card); border: 1px solid var(--border-light);
    border-left: 3px solid var(--text-muted);
    border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
    padding: 12px 16px; min-width: 260px; max-width: 380px;
    animation: slideInRight 0.35s ease-out;
}
.toast.success { border-left-color: var(--accent-green); }
.toast.error   { border-left-color: var(--accent-red); }
.toast.warning { border-left-color: var(--accent-yellow); }
.toast.info    { border-left-color: var(--accent-blue); }
.toast-icon { font-weight: 700; }
.toast.success .toast-icon { color: var(--accent-green); }
.toast.error .toast-icon   { color: var(--accent-red); }
.toast.warning .toast-icon { color: var(--accent-yellow); }
.toast-message { flex: 1; font-size: 13px; color: var(--text-secondary); }
.toast-close { background: none; border: none; cursor: pointer; color: var(--text-light); font-size: 16px; }

/* ===== Definition list (detail view) ===== */
.dl { display: grid; grid-template-columns: 1fr; gap: 0; }
.dl-row { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--border-light); }
.dl-row:last-child { border-bottom: none; }
.dl-key { color: var(--text-muted); font-size: 13px; }
.dl-val { color: var(--text-primary); font-weight: 500; text-align: right; }
/* Documents index groups each hold a single row, so the .dl-row:last-child
   rule above would strip every separator. Keep a rule under every row here
   (the #id selector outranks the :last-child rule). */
#tab-documents .dl-row { border-bottom: 1px solid var(--border-light); }

/* ===== Score meter ===== */
.meter { background: var(--bg-secondary); border-radius: var(--radius-full); height: 8px; overflow: hidden; margin-top: 6px; }
.meter-fill { height: 100%; border-radius: var(--radius-full); transition: width var(--transition-slow); }
.meter-fill.high { background: var(--accent-red); }
.meter-fill.medium { background: var(--accent-yellow); }
.meter-fill.low { background: var(--accent-green); }
.meter-fill.none { background: var(--text-light); }

/* ===== Timeline (audit trail) ===== */
.timeline { list-style: none; position: relative; padding-left: 22px; }
.timeline::before { content: ""; position: absolute; left: 6px; top: 4px; bottom: 4px; width: 2px; background: var(--border-light); }
.timeline-item { position: relative; padding: 0 0 18px 0; }
.timeline-item::before {
    content: ""; position: absolute; left: -22px; top: 4px;
    width: 12px; height: 12px; border-radius: var(--radius-full);
    background: var(--accent-primary); border: 2px solid var(--bg-card);
}
.timeline-item.approved::before  { background: var(--accent-green); }
.timeline-item.rejected::before,
.timeline-item.flagged::before   { background: var(--accent-red); }
.timeline-item.investigated::before { background: var(--accent-yellow); }
.timeline-item.overridden::before   { background: var(--accent-purple); }
/* Claim-timeline event kinds (claim detail Timeline tab); tl-claim/tl-cover
   keep the default primary unless overridden below. The k-* classes color the
   matching legend dots. */
.timeline-item.tl-cover::before,      .g-dot.k-cover       { background: var(--accent-green); }
.timeline-item.tl-boundary::before,   .g-dot.k-boundary    { background: var(--text-light); }
.timeline-item.tl-disclosure::before, .g-dot.k-disclosure  { background: var(--accent-purple); }
.timeline-item.tl-evidence::before,   .g-dot.k-evidence    { background: var(--accent-yellow); }
.timeline-item.tl-prior_claim::before,.g-dot.k-prior_claim { background: var(--accent-blue); }
.g-dot.k-claim { background: var(--accent-primary); }
.timeline-action { font-weight: 600; color: var(--text-primary); }
.timeline-meta { font-size: 12px; color: var(--text-muted); }
.timeline-notes { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }

/* ===== Tabs (claim detail + grouped admin pages) ===== */
.tab-strip {
    display: flex; gap: 4px; flex-wrap: wrap;
    border-bottom: 1px solid var(--border-light);
    margin-bottom: 24px;
}
.tab-btn {
    appearance: none; background: none; border: none; cursor: pointer;
    font-family: inherit; font-size: 14px; font-weight: 500;
    color: var(--text-muted); padding: 10px 16px;
    border-bottom: 2px solid transparent; margin-bottom: -1px;
    display: inline-flex; align-items: center; gap: 7px;
    transition: color 0.15s ease, border-color 0.15s ease;
    text-decoration: none;
}
.tab-btn:hover { color: var(--text-primary); }
.tab-btn.active {
    color: var(--accent-primary); font-weight: 600;
    border-bottom-color: var(--accent-primary);
}
.tab-count {
    font-size: 11px; font-weight: 600; line-height: 1;
    padding: 3px 7px; border-radius: var(--radius-full);
    background: rgba(194, 94, 94, 0.1); color: var(--accent-red);
}
/* Neutral variant - an informational count (e.g. documents on file), not an
   attention badge; only the warm default means "findings need review". */
.tab-count.neutral { background: var(--bg-secondary); color: var(--text-muted); }
/* Opt-in sticky variant (claim detail): keeps the tabs reachable on the tall
   panes. The top offset is set from the sticky page header's measured height
   by the page script; z-index sits below the header (100) and sidebar (200). */
.tab-strip-sticky {
    position: sticky; top: 0; z-index: 50;
    background: var(--bg-primary);
}
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ===== Utilities ===== */
.muted { color: var(--text-muted); }
.flex { display: flex; }
.flex-between { display: flex; justify-content: space-between; align-items: center; }
.gap-8 { gap: 8px; } .gap-12 { gap: 12px; } .gap-16 { gap: 16px; }
.mt-8 { margin-top: 8px; } .mt-16 { margin-top: 16px; } .mt-24 { margin-top: 24px; }
.mb-16 { margin-bottom: 16px; } .mb-24 { margin-bottom: 24px; }
.text-right { text-align: right; }
.w-full { width: 100%; }
.mobile-menu-btn, .sidebar-overlay { display: none; }

/* ===== Animations ===== */
@keyframes fadeInUp { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
@keyframes slideInRight { from { opacity: 0; transform: translateX(20px); } to { opacity: 1; transform: translateX(0); } }
@keyframes fadeOutToast { to { opacity: 0; transform: translateX(20px); } }
.stat-card, .card { animation: fadeInUp 0.4s ease-out; }

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .grid-3 { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 992px) {
    :root { --sidebar-width: 240px; }
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
    .sidebar { transform: translateX(-100%); }
    .sidebar.open { transform: translateX(0); }
    .main-content { margin-left: 0; }
    /* On mobile the drawer (hamburger) handles the sidebar; the desktop
       collapse toggle and any collapsed margin are not relevant here. */
    .sidebar-collapsed .main-content { margin-left: 0; }
    .sidebar-collapse-btn { display: none; }
    .grid-2, .grid-3, .grid-4, .stats-grid { grid-template-columns: 1fr; }
    .mobile-menu-btn { display: inline-flex; }
    .sidebar-overlay.show { display: block; position: fixed; inset: 0; background: rgba(0,0,0,0.35); z-index: 150; }
    .content-body { padding: 20px 16px; }
    .content-header { padding: 16px; }
}
@media (max-width: 480px) {
    .stat-value { font-size: 26px; }
    .btn { padding: 9px 16px; }
}
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after { animation: none !important; transition: none !important; }
}