:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #eff6ff;
  --text: #0f172a;
  --muted: #64748b;
  --border: #e2e8f0;
  --bg: #f8fafc;
  --card: #ffffff;
  --danger: #dc2626;
  --danger-light: #fee2e2;
  --ok: #16a34a;
  --ok-light: #dcfce7;
  --warn: #b45309;
  --warn-light: #fef3c7;
  --accent: #0e7490;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(15, 23, 42, .08), 0 1px 2px rgba(15, 23, 42, .04);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--font); color: var(--text); background: var(--bg);
  font-size: 14px; line-height: 1.45;
}
h1, h2, h3 { margin: 0; font-weight: 600; }
button { font-family: inherit; cursor: pointer; }
button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--primary); outline-offset: 1px;
}
code { font-family: 'SF Mono', ui-monospace, Menlo, Consolas, monospace; font-size: 12px; }

/* Header */
.app-header {
  display: flex; align-items: center; gap: 16px; padding: 14px 20px;
  background: var(--card); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 20;
}
.app-header h1 { font-size: 17px; letter-spacing: -.01em; }
.app-header .sub { color: var(--muted); font-size: 12px; }
.header-spacer { flex: 1; }
.status-badges { display: flex; gap: 8px; align-items: center; }
.pill {
  font-size: 11px; font-weight: 600; padding: 3px 9px; border-radius: 999px;
  background: var(--bg); color: var(--muted); border: 1px solid var(--border); white-space: nowrap;
}
.pill.ok { background: var(--ok-light); color: var(--ok); border-color: transparent; }
.pill.bad { background: var(--danger-light); color: var(--danger); border-color: transparent; }
.pill.warn { background: var(--warn-light); color: var(--warn); border-color: transparent; }

/* NL bar */
.nl-bar {
  display: flex; gap: 10px; align-items: stretch; padding: 14px 20px;
  background: var(--card); border-bottom: 1px solid var(--border); flex-wrap: wrap;
}
.nl-bar .nl-input { flex: 1; min-width: 280px; }
.nl-input input {
  width: 100%; padding: 10px 12px; border: 1px solid var(--border); border-radius: var(--radius);
  font-size: 14px; background: #fff;
}
.nl-controls { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }

select, .field input {
  padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: #fff; font-size: 13px; color: var(--text);
}

/* Buttons — sempre background esplicito (CLAUDE.md §1.2) */
.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 9px 14px; border-radius: 8px;
  border: 1px solid transparent; font-size: 13px; font-weight: 600; background: #eef2f7; color: var(--text);
}
.btn:hover { filter: brightness(.97); }
.btn:disabled { opacity: .6; cursor: not-allowed; }
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); filter: none; }
.btn-accent { background: var(--accent); color: #fff; }
.btn-ghost { background: #f1f5f9; color: var(--text); border-color: var(--border); }
.btn-sm { padding: 5px 9px; font-size: 12px; }
.btn svg { width: 15px; height: 15px; }

/* Layout */
.layout { display: grid; grid-template-columns: 300px 1fr; gap: 0; align-items: start; }
.sidebar {
  background: var(--card); border-right: 1px solid var(--border); padding: 16px;
  position: sticky; top: 0; max-height: 100vh; overflow-y: auto;
}
.sidebar h2 { font-size: 13px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-bottom: 12px; }
.field { margin-bottom: 12px; }
.field label { display: block; font-size: 12px; font-weight: 600; color: var(--text); margin-bottom: 4px; }
.field .hint { font-size: 11px; color: var(--muted); font-weight: 400; }
.field input, .field select { width: 100%; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.sidebar-actions { display: flex; gap: 8px; margin-top: 10px; }

.main { padding: 16px 20px; min-width: 0; }
.run-controls {
  display: flex; gap: 14px; align-items: center; flex-wrap: wrap; margin-bottom: 16px;
  background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 12px 14px;
}
.run-controls .group { display: flex; gap: 10px; align-items: center; }
.check { display: inline-flex; gap: 5px; align-items: center; font-size: 13px; font-weight: 500; }

/* Path cards */
.paths { display: grid; grid-template-columns: 1fr; gap: 16px; }
.path-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; border-top-width: 4px; border-top-style: solid; }
.path-card.v-current { border-top-color: var(--danger); }
.path-card.v-hybrid { border-top-color: var(--warn); }
.path-card.v-fixed { border-top-color: var(--ok); }
.path-head { display: flex; align-items: center; gap: 12px; padding: 12px 14px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.path-chip { font-size: 11px; font-weight: 700; padding: 4px 10px; border-radius: 6px; letter-spacing: .02em; text-transform: uppercase; white-space: nowrap; }
.path-chip.bad { background: var(--danger-light); color: var(--danger); }
.path-chip.warn { background: var(--warn-light); color: var(--warn); }
.path-chip.ok { background: var(--ok-light); color: var(--ok); }
.path-title { font-size: 14px; font-weight: 600; }
.path-title .path-code { font-size: 11px; font-weight: 600; color: var(--muted); background: var(--bg); border: 1px solid var(--border); padding: 1px 6px; border-radius: 5px; margin-left: 4px; }
.path-title small { display: block; font-weight: 400; color: var(--muted); font-size: 11px; margin-top: 2px; }
.path-meta { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-left: auto; }
.path-desc { font-size: 12.5px; color: var(--muted); padding: 10px 14px; background: var(--bg); border-bottom: 1px solid var(--border); }
.path-chip-btn { cursor: pointer; border: none; font-family: inherit; display: inline-flex; align-items: center; gap: 4px; }
.path-chip-btn:hover { filter: brightness(.94); }
.path-chip-btn .pi-i { opacity: .75; font-size: 12px; }

/* Modale info versioni: timeline endpoint + tabella comparativa */
.pi-sub { font-size: 13.5px; color: var(--text); margin: 0 0 4px; }
.pi-h { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin: 16px 0 8px; }
.pi-steps { display: flex; flex-direction: column; gap: 10px; }
.pi-step { display: flex; gap: 12px; }
.pi-num { flex: 0 0 26px; height: 26px; border-radius: 50%; background: var(--primary); color: #fff; font-size: 13px; font-weight: 700; display: flex; align-items: center; justify-content: center; }
.pi-body { flex: 1; min-width: 0; border-left: 2px solid var(--border); padding: 0 0 4px 12px; }
.pi-ep { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.pi-ep code { background: #0f172a; color: #e2e8f0; padding: 3px 8px; border-radius: 6px; font-size: 12px; }
.pi-cost { font-size: 11px; background: var(--warn-light); color: var(--warn); border-radius: 999px; padding: 2px 8px; }
.pi-reqbody { margin-top: 5px; }
.pi-reqbody code { background: var(--bg); border: 1px solid var(--border); color: var(--text); padding: 3px 8px; border-radius: 6px; font-size: 11.5px; display: inline-block; word-break: break-word; }
.pi-desc { font-size: 12.5px; color: var(--muted); margin-top: 5px; line-height: 1.5; }
.pi-comp { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.pi-comp th, .pi-comp td { padding: 7px 10px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
.pi-comp th { background: var(--bg); font-weight: 600; color: var(--muted); }
.pi-comp .pi-aspect { color: var(--muted); font-weight: 500; }
.pi-comp .pi-col-active { background: var(--primary-light); }
.pi-comp th.pi-col-active { color: var(--primary-dark); }
.path-body { padding: 0; }

/* Pallini stato versione */
.dot { display: inline-block; width: 9px; height: 9px; border-radius: 50%; vertical-align: middle; }
.dot.bad { background: var(--danger); }
.dot.warn { background: var(--warn); }
.dot.ok { background: var(--ok); }

/* Riga di spiegazione sotto la NL bar */
.nl-help { padding: 10px 20px; background: var(--primary-light); border-bottom: 1px solid var(--border); font-size: 12.5px; color: #334155; }
.nl-help strong { color: var(--text); }

/* Banner onestà conformità */
.conf-warning { padding: 10px 14px; font-size: 12.5px; line-height: 1.5; border-bottom: 1px solid var(--border); }
.conf-warning.bad { background: var(--danger-light); color: #7f1d1d; }
.conf-warning.warn { background: var(--warn-light); color: #7c2d12; }
.conf-warning code { background: rgba(0,0,0,.06); padding: 1px 5px; border-radius: 4px; }

/* Conformance summary */
.conf-summary { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding: 10px 14px; background: var(--bg); border-bottom: 1px solid var(--border); font-size: 12px; }
.conf-bar { height: 8px; border-radius: 999px; background: var(--danger-light); overflow: hidden; width: 120px; }
.conf-bar > span { display: block; height: 100%; background: var(--ok); }
.viol-tag { font-size: 11px; padding: 2px 7px; border-radius: 999px; background: var(--danger-light); color: var(--danger); font-weight: 600; }

/* Tables */
.tbl-wrap { overflow-x: auto; }
table.results { width: 100%; border-collapse: collapse; font-size: 13px; }
table.results th, table.results td { padding: 8px 10px; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
table.results th { font-size: 11px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); cursor: pointer; white-space: nowrap; background: var(--card); position: sticky; top: 0; }
table.results th:hover { color: var(--text); }
table.results tbody tr:hover { background: var(--primary-light); }
/* Ordinamento per conformità: accento a sinistra + tinta sui non conformi */
table.results tr.cr-ok td:first-child { box-shadow: inset 3px 0 0 var(--ok); }
table.results tr.cr-unver td:first-child { box-shadow: inset 3px 0 0 var(--warn); }
table.results tr.cr-bad td:first-child { box-shadow: inset 3px 0 0 var(--danger); }
table.results tr.cr-bad { background: rgba(220, 38, 38, .045); }
table.results tr.cr-bad:hover { background: rgba(220, 38, 38, .10); }
.cell-name { font-weight: 600; }
.cell-name a { color: var(--primary); text-decoration: none; }
.cell-name a:hover { text-decoration: underline; }
.cell-num { font-variant-numeric: tabular-nums; }
.ellipsis { max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; display: inline-block; }

/* Row conformance */
.row-ok { color: var(--ok); }
.row-bad { color: var(--danger); }
.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 11px; font-weight: 600; padding: 2px 8px; border-radius: 999px; }
.badge.b-ok { background: var(--ok-light); color: var(--ok); }
.badge.b-bad { background: var(--danger-light); color: var(--danger); }
.badge.b-warn { background: var(--warn-light); color: var(--warn); }
.unver-tag { font-size: 11px; padding: 2px 7px; border-radius: 999px; background: var(--warn-light); color: var(--warn); font-weight: 600; }
.viol-list { margin: 4px 0 0; padding-left: 14px; color: var(--danger); font-size: 11px; }

/* Collapsible raw */
details.raw { border-top: 1px dashed var(--border); }
details.raw > summary { cursor: pointer; padding: 8px 14px; font-size: 12px; font-weight: 600; color: var(--muted); list-style: none; display: flex; align-items: center; gap: 6px; background: #fff; }
details.raw > summary::-webkit-details-marker { display: none; }
details.raw[open] > summary { color: var(--text); }
details.raw pre { margin: 0; padding: 12px 14px; background: #0f172a; color: #e2e8f0; overflow-x: auto; font-size: 11.5px; max-height: 320px; }

/* Empty state — card (CLAUDE.md §1.6.1) */
.empty-state { background: #fff; border: 1px solid var(--border); border-radius: 12px; padding: 2.5rem 1.5rem; text-align: center; margin: 14px; }
.empty-state .es-icon { width: 44px; height: 44px; margin: 0 auto .6rem; color: var(--muted); }
.empty-state .es-title { font-size: 1rem; font-weight: 600; margin-bottom: .25rem; }
.empty-state .es-desc { font-size: .875rem; color: var(--muted); }

/* Determinism + logs */
.panel { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); margin-top: 16px; }
.panel-head { display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.panel-head h3 { font-size: 13px; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); }
.panel-body { padding: 14px; }

/* Accordion (details/summary) */
details.acc > summary.acc-head { cursor: pointer; list-style: none; user-select: none; }
details.acc > summary.acc-head::-webkit-details-marker { display: none; }
.acc-caret { display: inline-block; transition: transform .15s ease; color: var(--muted); font-size: 12px; }
details.acc[open] > summary .acc-caret { transform: rotate(90deg); }
@media (prefers-reduced-motion: reduce) { .acc-caret { transition: none; } }

/* Cronologia ricerche */
.hist-empty { padding: 1.5rem; text-align: center; color: var(--muted); font-size: 13px; }
.hist-item { display: flex; align-items: center; gap: 12px; padding: 10px 12px; border-bottom: 1px solid var(--border); font-size: 13px; }
.hist-item:hover { background: var(--primary-light); }
.hist-main { min-width: 0; flex: 1; }
.hist-title { font-weight: 600; color: var(--text); }
.hist-sub { color: var(--muted); font-size: 12px; margin-top: 2px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hist-time { color: var(--muted); font-size: 11px; white-space: nowrap; }
.hist-actions { display: flex; gap: 6px; }
.det-result { display: flex; gap: 20px; flex-wrap: wrap; align-items: center; }
.det-metric { text-align: center; }
.det-metric .v { font-size: 24px; font-weight: 700; font-variant-numeric: tabular-nums; }
.det-metric .l { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }

/* Spinner */
.spinner { width: 14px; height: 14px; border: 2px solid rgba(255,255,255,.4); border-top-color: #fff; border-radius: 50%; animation: spin .7s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

/* Modal (no dialog nativi — CLAUDE.md §1.1) */
.modal-backdrop { position: fixed; inset: 0; background: rgba(15,23,42,.45); display: flex; align-items: center; justify-content: center; z-index: 90; padding: 20px; }
.modal { background: var(--card); border-radius: 12px; box-shadow: 0 10px 40px rgba(15,23,42,.25); max-width: 560px; width: 100%; max-height: 88vh; overflow: auto; }
.modal-head { display: flex; align-items: center; gap: 10px; padding: 16px 18px; border-bottom: 1px solid var(--border); }
.modal-head h3 { font-size: 15px; }
.modal-body { padding: 16px 18px; font-size: 13.5px; color: var(--text); }
.modal-foot { display: flex; gap: 8px; justify-content: flex-end; padding: 14px 18px; border-top: 1px solid var(--border); }
.modal-x { margin-left: auto; background: #f1f5f9; border: 1px solid var(--border); border-radius: 6px; width: 28px; height: 28px; font-size: 16px; color: var(--muted); }
.filter-drop-list { display: flex; flex-direction: column; gap: 6px; margin: 12px 0; }
.filter-drop-item { display: flex; align-items: center; gap: 9px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; background: var(--bg); font-size: 13px; }
.filter-drop-item .fdi-val { color: var(--muted); margin-left: auto; font-variant-numeric: tabular-nums; }
.filter-drop-item.fragile { background: var(--warn-light); border-color: transparent; }
.collect-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 6px 16px; }
.cf-row { display: flex; gap: 8px; font-size: 13px; padding: 5px 0; border-bottom: 1px solid var(--border); }
.cf-k { color: var(--muted); min-width: 110px; }
.cf-v { color: var(--text); font-weight: 500; word-break: break-word; }
@media (max-width: 600px) { .collect-grid { grid-template-columns: 1fr; } }

/* Collect modal — UI navigabile a sezioni */
.modal.modal-wide { max-width: 1080px; }
.cv-header { padding: 2px 0 12px; border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.cv-htitle { font-size: 16px; font-weight: 600; }
.cv-htitle a { color: var(--primary); text-decoration: none; }
.cv-hchips { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.cv-hchip { font-size: 12px; background: var(--bg); border: 1px solid var(--border); border-radius: 999px; padding: 3px 10px; color: var(--muted); }
.cv-hchip b { color: var(--text); font-weight: 600; }
.cv-tabs { display: flex; flex-wrap: wrap; gap: 4px; position: sticky; top: 0; background: var(--card); padding: 6px 0; z-index: 2; }
.cv-tab { background: #f1f5f9; border: 1px solid var(--border); border-radius: 8px; padding: 6px 11px; font-size: 12.5px; font-weight: 600; color: var(--muted); }
.cv-tab.active { background: var(--primary); color: #fff; border-color: transparent; }
.cv-tabn { font-size: 10px; opacity: .8; }
.cv-filterbar { display: flex; align-items: center; gap: 12px; position: sticky; top: 42px; background: var(--card); padding: 6px 0 10px; z-index: 1; border-bottom: 1px solid var(--border); }
.cv-filterbar input#cvFilter { flex: 1; padding: 7px 10px; border: 1px solid var(--border); border-radius: 8px; font-size: 13px; background: #fff; }
.cv-emptytoggle { font-size: 12px; color: var(--muted); white-space: nowrap; display: flex; align-items: center; gap: 5px; }
.cv-panel { display: none; }
.cv-panel.active { display: block; }
.cv-content.filtering .cv-panel { display: block; }
.cv-row { display: grid; grid-template-columns: 230px 1fr; gap: 12px; padding: 9px 4px; border-bottom: 1px solid var(--border); align-items: start; }
.cv-row:hover { background: var(--bg); }
.cv-k { font-size: 12.5px; font-weight: 600; color: var(--text); line-height: 1.4; }
.cv-v { font-size: 13px; color: var(--text); min-width: 0; word-break: break-word; }
.cv-v a { color: var(--primary); }
.cv-empty { color: #cbd5e1; }
.cv-num { font-variant-numeric: tabular-nums; }
.cv-chips { display: flex; flex-wrap: wrap; gap: 5px; }
.cv-chip { background: var(--primary-light); color: var(--primary-dark); border-radius: 6px; padding: 2px 8px; font-size: 12px; }
.cv-chip.more { background: var(--bg); color: var(--muted); }
.cv-chip a { color: inherit; text-decoration: none; }
.cv-tablewrap { overflow-x: auto; border: 1px solid var(--border); border-radius: 8px; max-width: 100%; }
.cv-table { width: 100%; border-collapse: collapse; font-size: 12px; }
.cv-table th { text-align: left; background: var(--bg); padding: 6px 8px; font-weight: 600; color: var(--muted); border-bottom: 1px solid var(--border); white-space: nowrap; }
.cv-table td { padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: top; }
.cv-more { padding: 6px 8px; font-size: 11px; color: var(--muted); background: var(--bg); }
.cv-kv { display: grid; grid-template-columns: 1fr 1fr; gap: 2px 14px; }
.cv-kvrow { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; padding: 3px 0; border-bottom: 1px dashed var(--border); }
.cv-kvrow span:first-child { color: var(--muted); }
.cv-kvrow[data-empty="1"] { display: none; }
.cv-content.show-empty .cv-kvrow[data-empty="1"] { display: flex; }
.cv-logo-wrap { display: inline-flex; align-items: center; gap: 8px; }
.cv-logo { width: 40px; height: 40px; object-fit: contain; border: 1px solid var(--border); border-radius: 6px; background: #fff; }

/* Mini-grafico serie temporali */
.cv-seriewrap { max-width: 620px; }
.cv-spark { width: 100%; max-width: 620px; height: auto; display: block; }
.cv-spark text { fill: var(--muted); font-size: 11px; font-family: var(--font); }
.cv-spark .cv-axis { stroke: var(--border); stroke-width: 1; }
.cv-spark .cv-area { fill: rgba(37, 99, 235, .10); stroke: none; }
.cv-spark .cv-line { fill: none; stroke: var(--primary); stroke-width: 2; }
.cv-spark circle { fill: var(--primary); }
.cv-spark-stats { display: flex; gap: 8px; flex-wrap: wrap; margin-top: 6px; }
.cv-stat { font-size: 11.5px; background: var(--bg); border: 1px solid var(--border); border-radius: 6px; padding: 2px 8px; color: var(--muted); }
.cv-stat b { color: var(--text); font-variant-numeric: tabular-nums; }
.cv-stat.up b { color: var(--ok); }
.cv-stat.down b { color: var(--danger); }
.cv-sparktable { margin-top: 8px; }
.cv-sparktable > summary { cursor: pointer; font-size: 11.5px; color: var(--muted); }
@media (max-width: 640px) { .cv-row { grid-template-columns: 1fr; gap: 2px; } .cv-kv { grid-template-columns: 1fr; } }

/* Toast */
#toasts { position: fixed; bottom: 18px; right: 18px; display: flex; flex-direction: column; gap: 8px; z-index: 100; }
.toast { background: #0f172a; color: #fff; padding: 10px 14px; border-radius: 8px; box-shadow: var(--shadow); font-size: 13px; max-width: 360px; animation: slidein .2s ease; }
.toast.err { background: var(--danger); }
.toast.ok { background: var(--ok); }
@keyframes slidein { from { transform: translateY(8px); opacity: 0; } }

@media (max-width: 980px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { position: static; max-height: none; border-right: none; border-bottom: 1px solid var(--border); }
}
@media (prefers-reduced-motion: reduce) { .spinner { animation: none; } .toast { animation: none; } }