:root {
  --black:#111;
  --dark:#2a2a2a;
  --mid:#666;
  --muted:#888;
  --line:#d2d2d2;
  --light:#f5f5f5;
  --white:#fff;
}
* { box-sizing:border-box; }
html { background:#fff; color:var(--black); font-family:Arial, Helvetica, sans-serif; }
body { margin:0; line-height:1.45; }
button,input,select,textarea { font:inherit; }
button { cursor:pointer; }
.app-header { border-bottom:2px solid var(--black); padding:26px 34px 22px; display:flex; align-items:flex-end; justify-content:space-between; gap:24px; }
.header-copy { min-width:0; }
.project-line { display:flex; gap:8px; align-items:center; margin-top:14px; font-size:12px; color:var(--mid); flex-wrap:wrap; }
.project-line span:first-child { font-weight:700; text-transform:uppercase; letter-spacing:.08em; }
.project-line strong { color:var(--black); }
.project-line .save-state { margin-left:8px; padding-left:10px; border-left:1px solid var(--line); }
.header-help-button { width:34px; border: 1px solid var(--black); padding:0; font-size:16px; font-weight:700; line-height:1; }
.eyebrow { font-size:10px; font-weight:700; letter-spacing:.12em; text-transform:uppercase; color:var(--mid); }
h1,h2,h3,p { margin:0; }
h1 { margin-top:4px; font-size:28px; line-height:1.1; }
h2 { font-size:20px; line-height:1.15; }
.header-subtitle { color:var(--mid); margin-top:6px; }
.print-meta { display:none; }
.header-actions { display:flex; gap:7px; flex-wrap:wrap; justify-content:flex-end; }
.button { border:1px solid var(--black); background:var(--white); color:var(--black); padding:9px 13px; border-radius:2px; font-weight:700; }
.button:hover { background:var(--light); }
.button.primary { background:var(--black); color:#fff; }
.button.primary:hover { background:#333; }
.button.danger { background:#fff; }
.icon-button { background:none; color:#222; font-weight:700; padding:7px 9px; }
.icon-button:hover { border-color:#aaa; background:var(--light); }
.app-shell { max-width:1500px; margin:0 auto; padding:24px 26px 70px; }
.panel { border:1px solid var(--line); margin-bottom:18px; background:#fff; }
.panel-heading { padding:17px 20px; border-bottom:1px solid var(--line); display:flex; justify-content:space-between; gap:18px; align-items:flex-start; }
.compact-heading { align-items:center; }
.panel-heading p { margin-top:4px; color:var(--mid); font-size:13px; }
.save-state { font-size:10px; letter-spacing:.08em; text-transform:uppercase; color:var(--mid); }
.context-grid { padding:18px 20px 20px; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px 18px; }
label span,.field-label { display:block; margin-bottom:6px; font-size:10px; text-transform:uppercase; letter-spacing:.07em; font-weight:700; }
input,select,textarea { width:100%; border:1px solid #aaa; border-radius:2px; background:#fff; color:#111; padding:9px 10px; outline:none; }
input:focus,select:focus,textarea:focus { border-color:#111; }
input.field-invalid,select.field-invalid,textarea.field-invalid { border-color:var(--severity-serious); background:var(--severity-serious-bg); }
input.field-invalid:focus,select.field-invalid:focus,textarea.field-invalid:focus { border-color:var(--severity-serious); }
.field-error { display:block; min-height:15px; margin-top:4px; color:var(--severity-serious); font-size:11px; line-height:1.25; font-weight:700; }
textarea { resize:vertical; min-height:60px; }
.full { grid-column:1/-1; }
.filters { padding:11px 16px; border-bottom:1px solid var(--line); background:#fafafa; display:grid; grid-template-columns:minmax(220px,2fr) repeat(4,minmax(120px,1fr)); gap:7px; }
.finding-editor { border-bottom:1px solid var(--line); background:#f8f8f8; }
.editor-header { padding:14px 18px 10px; display:flex; justify-content:space-between; align-items:flex-start; gap:12px; border-bottom:1px solid var(--line); }
.editor-title { font-weight:700; }
.editor-subtitle { margin-top:3px; font-size:12px; color:var(--mid); }
.editor-actions { display:flex; gap:7px; flex-wrap:wrap; }
.editor-grid { padding:16px 18px 18px; display:grid; grid-template-columns:140px 1.2fr 1fr 1fr; gap:14px 16px; }
.editor-grid .full { grid-column:1/-1; }
.severity-buttons { display:flex; gap:5px; }
.severity-button { flex:1; border:1px solid #aaa; background:#fff; padding:8px 6px; font-size:11px; font-weight:700; }
.severity-button.active { background:#111; color:#fff; border-color:#111; }
.selected-heuristic-box { border:1px solid #aaa; padding:9px 10px; min-height:76px; display:flex; align-items:center; justify-content:space-between; gap:10px; background:#fff; }
.selected-heuristic-box.field-invalid { border-color:var(--severity-serious); background:var(--severity-serious-bg); }
.selected-heuristic-name { font-weight:700; }
.selected-heuristic-meta { font-size:11px; color:var(--mid); margin-top:3px; }
.heuristic-actions { flex:0 0 auto; }
.table-wrap { overflow:auto; }
.findings-table { width:100%; border-collapse:collapse; table-layout:fixed; font-size:12px; }
.findings-table th { text-align:left; padding:10px 11px; background:#f5f5f5; border-bottom:2px solid #aaa; font-size:10px; text-transform:uppercase; letter-spacing:.06em; vertical-align:bottom; }
.findings-table td { padding:12px 11px; border-bottom:1px solid #ddd; vertical-align:top; cursor:pointer; }
.findings-table tbody tr:hover td { background:#fafafa; }
.findings-table tbody tr.active td { background:#efefef; }
.findings-table tbody tr.serious td:first-child { border-left:4px solid #111; }
.findings-table tbody tr.moderate td:first-child { border-left:4px solid #555; }
.findings-table tbody tr.minor td:first-child { border-left:4px solid #999; }
.col-id { width:15%; }
.col-severity { width:9%; }
.col-category { width:13%; }
.col-heuristic { width:16%; }
.col-recommendation { width:18%; }
.row-id { font-weight:700; }
.row-location { color:var(--mid); margin-top:3px; }
.row-severity { font-weight:700; white-space:nowrap; }
.row-category,.row-heuristic-meta { color:var(--mid); font-size:11px; }
.row-heuristic { font-weight:700; }
.cell-clamp { display:-webkit-box; -webkit-box-orient:vertical; -webkit-line-clamp:4; overflow:hidden; }
.empty-state { border-top:0; padding:42px 20px; text-align:center; display:flex; flex-direction:column; align-items:center; gap:6px; color:var(--mid); }
.empty-state strong { color:#111; }
.table-count { border-top:1px solid var(--line); padding:9px 14px; font-size:11px; color:var(--mid); }
.hidden { display:none !important; }
.modal-backdrop { position:fixed; inset:0; z-index:1000; background:rgba(0,0,0,.55); display:flex; justify-content:center; align-items:center; padding:22px; }
.modal { width:min(100%,900px); max-height:calc(100vh - 44px); background:#fff; border:2px solid #111; display:flex; flex-direction:column; }
.modal-medium { width:min(1000px,100%); }
.modal-large { width:min(1400px,100%); height:min(800px,80vh); min-height:440px; }
.modal-small { width:min(520px,100%); }
.modal-header { padding:18px 20px; border-bottom:1px solid var(--line); display:flex; justify-content:space-between; gap:18px; align-items:flex-start; }
.modal-header p { margin-top:5px; color:var(--mid); font-size:13px; max-width:900px; }
.modal-footer { margin-top:auto; padding:12px 20px; border-top:1px solid var(--line); display:flex; justify-content:space-between; align-items:center; gap:12px; }
.footer-actions { display:flex; gap:7px; }
.tool-card-grid { display:grid; grid-template-columns:1fr 1fr; gap:8px; padding:18px 20px; }
.tool-card { border:1px solid var(--line); background:var(--white); text-align:left; padding:14px; }
.tool-card:hover { border-color:var(--black); background:var(--light); }
.tool-card strong { display:block; font-size:12px; }
.tool-card span { display:block; font-size:12px; color:var(--mid); margin-top:4px; }
.tool-card-primary { grid-column:1/-1; background:#f5f5f5; }
.dialog-note { margin:0 20px 18px; border-top:1px solid var(--line); padding-top:12px; font-size:12px; color:var(--mid); }
.dialog-note strong { color:var(--black); margin-right:6px; }
.modal-wide { width:min(1100px,100%); }
.interface-help-content { display:grid; grid-template-columns:1fr 1fr; gap:1px; background:var(--line); overflow:auto; }
.help-block { background:var(--white); padding:18px 20px; }
.help-block h3 { margin:5px 0 7px; font-size:15px; }
.help-block p { margin-top:7px; font-size:12px; line-height:1.55; color:var(--mid); }
.help-block-blue { background:#eef3f9; }
.help-block-red { background:#fae9e8; }
.help-block-complexity { background:var(--light); }

.reports-list { overflow:auto; padding:7px 20px; }
.report-row { display:grid; grid-template-columns:minmax(0,1fr) auto; gap:14px; align-items:center; padding:13px 0; border-bottom:1px solid #ddd; }
.report-row:last-child { border-bottom:0; }
.report-name { font-weight:700; }
.report-meta-line { margin-top:3px; color:var(--mid); font-size:11px; }
.report-actions { display:flex; gap:6px; flex-wrap:wrap; justify-content:flex-end; }
.library-toolbar { padding:12px 20px; border-bottom:1px solid var(--line); display:grid; gap:9px; }
.chip-row { display:flex; gap:5px; flex-wrap:wrap; }
.chip { border:1px solid #aaa; background:#fff; padding:6px 9px; font-size:11px; }
.chip:hover { background:var(--light); }
.chip.active { background:#111; color:#fff; border-color:#111; }
.library-layout { display:grid; grid-template-columns:330px minmax(0,1fr); min-height:0; flex:1 1 auto; overflow:hidden; }
.heuristic-list { border-right:1px solid var(--line); overflow:auto; min-height:0; max-height:none; }
.heuristic-list-item { padding:12px 14px; border-bottom:1px solid #e1e1e1; cursor:pointer; }
.heuristic-list-item:hover { background:#f5f5f5; }
.heuristic-list-item.active { background:#111; color:#fff; }
.heuristic-list-item .source { font-size:9px; font-weight:700; letter-spacing:.08em; text-transform:uppercase; opacity:.7; }
.heuristic-list-item .name { margin-top:3px; font-weight:700; }
.heuristic-list-item .category { margin-top:2px; font-size:10px; opacity:.7; }
.heuristic-detail { overflow:auto; min-height:0; max-height:none; padding:26px 30px; }
.detail-kicker { font-size:10px; letter-spacing:.1em; text-transform:uppercase; font-weight:700; color:var(--mid); }
.detail-title { margin-top:5px; font-size:27px; line-height:1.12; }
.detail-category { display:inline-block; margin-top:10px; border:1px solid #aaa; padding:4px 7px; font-size:10px; font-weight:700; text-transform:uppercase; letter-spacing:.05em; }
.detail-section { margin-top:23px; }
.detail-section h3 { margin-bottom:7px; font-size:11px; text-transform:uppercase; letter-spacing:.07em; }
.detail-section ul { margin:7px 0 0 18px; padding:0; }
.example-box { border:1px solid #aaa; border-left:4px solid #111; padding:13px 14px; background:#f6f6f6; }
.related-detail { display:flex; flex-wrap:wrap; gap:5px; }
.related-detail span { border:1px solid #aaa; padding:5px 7px; font-size:10px; }
.detail-empty { min-height:380px; display:grid; place-items:center; color:var(--mid); text-align:center; }
.library-context { color:var(--mid); font-size:11px; }
.confirm-text { padding:22px; color:#333; }
.toast { position:fixed; right:18px; bottom:18px; border:1px solid #111; background:#fff; padding:9px 12px; font-size:12px; opacity:0; transform:translateY(12px); pointer-events:none; transition:.15s; z-index:1300; }
.toast.show { opacity:1; transform:translateY(0); }
@media (max-width:1000px) {
  .editor-grid { grid-template-columns:1fr 1fr; }
  .filters { grid-template-columns:1fr 1fr; }
  .library-layout { grid-template-columns:1fr; grid-template-rows:minmax(150px,40%) minmax(0,1fr); }
  .heuristic-list { border-right:0; border-bottom:1px solid var(--line); }
  .heuristic-detail { min-height:0; }
  .interface-help-content { grid-template-columns:1fr 1fr; }
}
@media (max-width:700px) {
  .app-header { padding:20px 16px; flex-direction:column; align-items:flex-start; }
  .header-actions { width:100%; justify-content:flex-start; }
  .header-actions .button { flex:1; }
  .modal-large { height:calc(100vh - 20px); min-height:0; }
  .modal-wide { max-height:calc(100vh - 20px); }
  .library-toolbar { max-height:155px; overflow:auto; }
  .library-layout { grid-template-rows:minmax(135px,34%) minmax(0,1fr); }
  .heuristic-list-item { padding:10px 12px; }
  .heuristic-detail { padding:20px 18px; }
  .detail-title { font-size:23px; }
  .interface-help-content { grid-template-columns:1fr; }
  .tool-card-grid { grid-template-columns:1fr; }
  .tool-card-primary { grid-column:auto; }
  .app-shell { padding:14px 10px 50px; }
  .context-grid,.editor-grid { grid-template-columns:1fr; }
  .filters { grid-template-columns:1fr; }
  .full { grid-column:1; }
  .findings-table { min-width:920px; }
  .panel-heading { padding:15px; }
  .modal-backdrop { padding:10px; }
  .heuristic-detail { padding:20px; }
  .report-row { grid-template-columns:1fr; }
  .report-actions { justify-content:flex-start; }
  .modal-footer { align-items:flex-start; flex-direction:column; }
  .footer-actions { flex-wrap:wrap; }
}
@media print {
  @page { size:auto; margin:12mm; }
  html,body { background:#fff; }
  body { font-size:9pt; }
  .no-print,.context-panel,.finding-editor,.filters,.empty-state { display:none !important; }
  .app-header { padding:0 0 8px; margin-bottom:10px; border-bottom:1px solid #111; }
  .header-actions,.header-subtitle,.project-line { display:none !important; }
  .print-meta { display:block; margin-top:4px; font-size:8pt; color:#555; }
  .app-shell { padding:0; max-width:none; }
  .panel { border:0; margin:0; }
  .panel-heading { display:none; }
  .table-wrap { overflow:visible; }
  .findings-table { min-width:0; width:100%; table-layout:fixed; font-size:8.5pt; }
  .findings-table th { padding:6px 6px; font-size:7pt; background:#f0f0f0; border-bottom:1px solid #111; }
  .findings-table td { padding:7px 6px; cursor:default; border-bottom:1px solid #bbb; }
  .findings-table tbody tr.active td { background:#fff; }
  .findings-table tbody tr.serious td:first-child,.findings-table tbody tr.moderate td:first-child,.findings-table tbody tr.minor td:first-child { border-left:0; }
  .col-id { width:14%; }
  .col-severity { width:8%; }
  .col-category { width:13%; }
  .col-heuristic { width:17%; }
  .col-recommendation { width:20%; }
  .cell-clamp { display:block; overflow:visible; }
  .table-count { padding:7px 0; border-top:1px solid #111; color:#555; }
}

/* Severity traffic-light treatment */
:root {
  --severity-minor: #18794e;
  --severity-minor-bg: #eaf6f0;
  --severity-moderate: #9a6700;
  --severity-moderate-bg: #fff6d9;
  --severity-serious: #b42318;
  --severity-serious-bg: #fdecea;
}

.severity-button[data-severity="Serious"] { color:var(--severity-serious); border-color:#d7a6a2; }
.severity-button[data-severity="Serious"].active { background:var(--severity-serious-bg); color:var(--severity-serious); border-color:var(--severity-serious); }
.severity-button[data-severity="Moderate"] { color:var(--severity-moderate); border-color:#d8c28e; }
.severity-button[data-severity="Moderate"].active { background:var(--severity-moderate-bg); color:var(--severity-moderate); border-color:var(--severity-moderate); }
.severity-button[data-severity="Minor"] { color:var(--severity-minor); border-color:#a9d1bd; }
.severity-button[data-severity="Minor"].active { background:var(--severity-minor-bg); color:var(--severity-minor); border-color:var(--severity-minor); }

.findings-table tbody tr.serious td:first-child { border-left:4px solid var(--severity-serious); }
.findings-table tbody tr.moderate td:first-child { border-left:4px solid var(--severity-moderate); }
.findings-table tbody tr.minor td:first-child { border-left:4px solid var(--severity-minor); }
.row-severity { font-weight:700; }
.row-severity.serious { color:var(--severity-serious); }
.row-severity.moderate { color:var(--severity-moderate); }
.row-severity.minor { color:var(--severity-minor); }

.button.danger-outline {
  border:1px solid var(--severity-serious);
  background:#fff;
  color:var(--severity-serious);
}
.button.danger-outline:hover { background:var(--severity-serious-bg); }
.button.danger {
  border:1px solid var(--severity-serious);
  background:var(--severity-serious);
  color:#fff;
}
.button.danger:hover { background:#8f1d14; }

.print-only { display:none; }

.print-context { border-bottom:1px solid #111; margin-bottom:14px; padding:0 0 12px; }
.print-context-header h2 { margin-top:2px; }
.print-context-grid { margin:10px 0 0; display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:9px 18px; }
.print-context-grid > div.full { grid-column:1/-1; }
.print-context-grid dt { font-size:7pt; text-transform:uppercase; letter-spacing:.06em; font-weight:700; color:#555; }
.print-context-grid dd { margin:2px 0 0; font-size:9pt; }

@media print {
  .print-only { display:block !important; }
  .print-context { page-break-inside:avoid; }
  .findings-table tbody tr.serious td:first-child { border-left:0; }
  .findings-table tbody tr.moderate td:first-child { border-left:0; }
  .findings-table tbody tr.minor td:first-child { border-left:0; }
  .row-severity.serious { color:var(--severity-serious) !important; }
  .row-severity.moderate { color:var(--severity-moderate) !important; }
  .row-severity.minor { color:var(--severity-minor) !important; }
}