/* ===========================================================================
   Universal AI Scanner V2 — Frontend Visual Pass
   Additive stylesheet. Nothing here overrides styles.css selectors; every
   rule is scoped under [data-v2] so the existing app is pixel-identical
   when this file is deleted or unlinked. Delete this file + its <link> in
   index.html + the V2 branch in app.js to fully revert.
   =========================================================================== */

[data-v2] {
  --v2-bg: #0a0c0f;
  --v2-bg-raised: #101317;
  --v2-surface: #14181d;
  --v2-surface-2: #191e24;
  --v2-line: #232a32;
  --v2-line-strong: #2e3742;
  --v2-text: #eef2f5;
  --v2-text-dim: #94a3ae;
  --v2-text-faint: #5c6773;

  --v2-cyan: #3fb8d6;
  --v2-cyan-dim: rgba(63, 184, 214, 0.14);
  --v2-violet: #9b8cf0;
  --v2-violet-dim: rgba(155, 140, 240, 0.14);
  --v2-green: #3ecf8e;
  --v2-green-dim: rgba(62, 207, 142, 0.13);
  --v2-amber: #e0a940;
  --v2-amber-dim: rgba(224, 169, 64, 0.14);
  --v2-red: #e0616a;
  --v2-red-dim: rgba(224, 97, 106, 0.13);

  color-scheme: dark;
  background: var(--v2-bg);
  color: var(--v2-text);
  font-family: Geist, system-ui, sans-serif;
  min-height: 100vh;
}

[data-v2] * { box-sizing: border-box; }
[data-v2] .v2-mono { font-family: "Geist Mono", monospace; }

/* --- Shell / workspace layout, not a card dashboard --------------------- */

[data-v2] .v2-shell {
  display: grid;
  grid-template-columns: 236px 1fr;
  min-height: 100vh;
}

[data-v2] .v2-rail {
  border-right: 1px solid var(--v2-line);
  background: var(--v2-bg-raised);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

[data-v2] .v2-rail-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 8px 18px;
  border-bottom: 1px solid var(--v2-line);
  margin-bottom: 14px;
}
[data-v2] .v2-rail-brand b {
  width: 28px; height: 28px; border-radius: 7px;
  background: linear-gradient(160deg, var(--v2-cyan), #1d7d94);
  display: grid; place-items: center; color: #04141a; font-weight: 800; font-size: 13px;
}
[data-v2] .v2-rail-brand span { font-size: 13px; font-weight: 600; letter-spacing: 0.2px; }
[data-v2] .v2-rail-mode {
  font: 600 10px "Geist Mono", monospace;
  color: var(--v2-text-faint);
  letter-spacing: 1px;
  padding: 0 8px 12px;
}

[data-v2] .v2-nav-link {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: 7px;
  color: var(--v2-text-dim); text-decoration: none; font-size: 13px;
  border: 1px solid transparent; background: transparent; width: 100%; text-align: left; cursor: pointer;
}
[data-v2] .v2-nav-link:hover { background: var(--v2-surface); color: var(--v2-text); }
[data-v2] .v2-nav-link.active {
  background: var(--v2-cyan-dim); color: var(--v2-text);
  border-color: rgba(63,184,214,0.3);
}
[data-v2] .v2-nav-ico { width: 16px; text-align: center; opacity: 0.85; font-size: 13px; }
[data-v2] .v2-rail-foot {
  margin-top: auto; padding-top: 14px; border-top: 1px solid var(--v2-line);
  font-size: 11px; color: var(--v2-text-faint); display: flex; justify-content: space-between; align-items: center;
}

[data-v2] .v2-main { padding: 32px 40px; max-width: 1180px; }
[data-v2] .v2-header { margin-bottom: 26px; }
[data-v2] .v2-eyebrow {
  font: 700 10px "Geist Mono", monospace; letter-spacing: 1.4px; color: var(--v2-cyan); text-transform: uppercase;
  margin-bottom: 8px; display: block;
}
[data-v2] .v2-title { font-size: 26px; font-weight: 650; margin: 0 0 6px; letter-spacing: -0.2px; }
[data-v2] .v2-subtitle { color: var(--v2-text-dim); font-size: 14px; margin: 0; max-width: 640px; line-height: 1.5; }

/* --- Panels / surfaces (thin borders, not glossy cards) ------------------ */

[data-v2] .v2-panel {
  background: var(--v2-surface);
  border: 1px solid var(--v2-line);
  border-radius: 10px;
  padding: 22px;
}
[data-v2] .v2-panel + .v2-panel { margin-top: 16px; }
[data-v2] .v2-panel-tight { padding: 14px 16px; }
[data-v2] .v2-divider { height: 1px; background: var(--v2-line); border: 0; margin: 18px 0; }

/* --- Buttons -------------------------------------------------------------- */

[data-v2] .v2-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  border: 1px solid var(--v2-line-strong); background: var(--v2-surface-2); color: var(--v2-text);
  border-radius: 8px; padding: 10px 16px; font: 600 13px Geist, sans-serif; cursor: pointer;
  transition: border-color .12s, background .12s;
}
[data-v2] .v2-btn:hover { border-color: var(--v2-cyan); background: var(--v2-cyan-dim); }
[data-v2] .v2-btn.v2-primary {
  background: var(--v2-cyan); border-color: var(--v2-cyan); color: #05191f; font-weight: 700;
}
[data-v2] .v2-btn.v2-primary:hover { background: #57c4de; }
[data-v2] .v2-btn.v2-ghost { background: transparent; border-color: var(--v2-line); }
[data-v2] .v2-btn.v2-danger { border-color: var(--v2-red); color: var(--v2-red); background: transparent; }
[data-v2] .v2-btn:disabled { opacity: 0.4; cursor: not-allowed; }
[data-v2] .v2-btn-lg { padding: 15px 26px; font-size: 15px; border-radius: 9px; }
[data-v2] .v2-btn-block { width: 100%; }

/* --- Primary CTA (Engineer Home) ----------------------------------------- */

[data-v2] .v2-hero-cta {
  border: 1px solid var(--v2-line-strong);
  background: linear-gradient(180deg, var(--v2-surface-2), var(--v2-surface));
  border-radius: 14px; padding: 34px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px; flex-wrap: wrap;
}
[data-v2] .v2-hero-cta h2 { margin: 0 0 6px; font-size: 21px; }
[data-v2] .v2-hero-cta p { margin: 0; color: var(--v2-text-dim); font-size: 13px; max-width: 420px; }

/* --- Trust badges (presentation only — labels/colors keyed on the exact
       trustState string the backend already computed; no logic here) ------ */

[data-v2] .v2-trust {
  display: inline-flex; align-items: center; gap: 6px;
  font: 700 10.5px "Geist Mono", monospace; letter-spacing: 0.4px; text-transform: uppercase;
  padding: 4px 9px; border-radius: 999px; border: 1px solid transparent; white-space: nowrap;
}
[data-v2] .v2-trust::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
[data-v2] .v2-trust-verified { color: var(--v2-green); background: var(--v2-green-dim); border-color: rgba(62,207,142,0.3); }
[data-v2] .v2-trust-extracted { color: var(--v2-cyan); background: var(--v2-cyan-dim); border-color: rgba(63,184,214,0.3); }
[data-v2] .v2-trust-inference { color: var(--v2-violet); background: var(--v2-violet-dim); border-color: rgba(155,140,240,0.3); }
[data-v2] .v2-trust-conflict { color: var(--v2-amber); background: var(--v2-amber-dim); border-color: rgba(224,169,64,0.3); }
[data-v2] .v2-trust-rejected { color: var(--v2-red); background: var(--v2-red-dim); border-color: rgba(224,97,106,0.3); }
[data-v2] .v2-trust-unknown { color: var(--v2-text-faint); background: rgba(255,255,255,0.03); border-color: var(--v2-line); }

[data-v2] .v2-review-flag {
  display: inline-flex; align-items: center; gap: 5px; font: 600 11px Geist, sans-serif; color: var(--v2-amber);
}

/* --- Source citation link ------------------------------------------------- */

[data-v2] .v2-source-link {
  display: inline-flex; align-items: center; gap: 6px;
  font: 600 12px "Geist Mono", monospace; color: var(--v2-cyan); text-decoration: none;
  border-bottom: 1px dashed rgba(63,184,214,0.45); padding-bottom: 1px;
}
[data-v2] .v2-source-link:hover { color: #7fd6ec; }

/* --- Identity / field rows ------------------------------------------------ */

[data-v2] .v2-field-row {
  display: flex; align-items: center; justify-content: space-between; gap: 14px;
  padding: 13px 0; border-bottom: 1px solid var(--v2-line);
}
[data-v2] .v2-field-row:last-child { border-bottom: none; }
[data-v2] .v2-field-label { font: 600 10px "Geist Mono", monospace; letter-spacing: 0.6px; color: var(--v2-text-faint); text-transform: uppercase; }
[data-v2] .v2-field-value { font-size: 15px; font-weight: 600; margin-top: 2px; }

/* --- Identity strip (persistent appliance context) ----------------------- */

[data-v2] .v2-identity-strip {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 12px 16px; border: 1px solid var(--v2-line); border-radius: 9px;
  background: var(--v2-bg-raised); margin-bottom: 20px; font-size: 13px;
}
[data-v2] .v2-identity-strip strong { font-weight: 700; }
[data-v2] .v2-identity-strip .v2-muted { color: var(--v2-text-dim); }

/* --- Task grid (engineer flow entry points) ------------------------------- */

[data-v2] .v2-task-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-top: 18px; }
[data-v2] .v2-task-card {
  display: flex; flex-direction: column; gap: 8px; text-align: left;
  background: var(--v2-surface); border: 1px solid var(--v2-line); border-radius: 10px; padding: 18px;
  color: var(--v2-text); cursor: pointer; transition: border-color .12s, transform .12s;
}
[data-v2] .v2-task-card:hover { border-color: var(--v2-cyan); transform: translateY(-1px); }
[data-v2] .v2-task-card b { font-size: 20px; color: var(--v2-cyan); }
[data-v2] .v2-task-card strong { font-size: 14px; }
[data-v2] .v2-task-card span { font-size: 12px; color: var(--v2-text-dim); line-height: 1.4; }

/* --- Admin control centre tiles ------------------------------------------- */

[data-v2] .v2-admin-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
[data-v2] .v2-admin-tile {
  background: var(--v2-surface); border: 1px solid var(--v2-line); border-radius: 10px; padding: 16px;
  display: flex; flex-direction: column; gap: 6px; color: var(--v2-text); text-decoration: none; cursor: pointer;
}
[data-v2] .v2-admin-tile:hover { border-color: var(--v2-line-strong); background: var(--v2-surface-2); }
[data-v2] .v2-admin-tile .v2-admin-count { font: 700 22px "Geist Mono", monospace; }
[data-v2] .v2-admin-tile .v2-admin-label { font-size: 12px; color: var(--v2-text-dim); }

/* --- Admin dashboard ------------------------------------------------------ */

[data-v2] .v2-dashboard-header {
  display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; flex-wrap: wrap;
}
[data-v2] .v2-dashboard-actions { display: flex; gap: 8px; flex-wrap: wrap; justify-content: flex-end; }
[data-v2] .v2-dashboard-grid {
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; margin-bottom: 16px;
}
[data-v2] .v2-dashboard-stat {
  border: 1px solid var(--v2-line); border-radius: 10px; padding: 15px 16px; background: var(--v2-surface);
  min-height: 112px; display: flex; flex-direction: column; justify-content: space-between; gap: 8px;
}
[data-v2] .v2-dashboard-stat span {
  color: var(--v2-text-dim); font: 700 10.5px "Geist Mono", monospace; letter-spacing: 0.7px; text-transform: uppercase;
}
[data-v2] .v2-dashboard-stat strong { font: 750 28px "Geist Mono", monospace; letter-spacing: 0; }
[data-v2] .v2-dashboard-stat small { color: var(--v2-text-dim); font-size: 12px; line-height: 1.35; }
[data-v2] .v2-stat-cyan { border-color: rgba(63,184,214,0.28); }
[data-v2] .v2-stat-cyan strong { color: var(--v2-cyan); }
[data-v2] .v2-stat-green { border-color: rgba(62,207,142,0.26); }
[data-v2] .v2-stat-green strong { color: var(--v2-green); }
[data-v2] .v2-stat-amber { border-color: rgba(224,169,64,0.3); }
[data-v2] .v2-stat-amber strong { color: var(--v2-amber); }
[data-v2] .v2-stat-violet { border-color: rgba(155,140,240,0.3); }
[data-v2] .v2-stat-violet strong { color: var(--v2-violet); }

[data-v2] .v2-dashboard-split {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-bottom: 16px;
}
[data-v2] .v2-dashboard-split-wide { grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr); margin-bottom: 0; }
[data-v2] .v2-panel-heading {
  display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 16px;
}
[data-v2] .v2-panel-heading h2 { margin: 0; font-size: 16px; font-weight: 650; letter-spacing: 0; }
[data-v2] .v2-panel-heading span { color: var(--v2-text-dim); font: 600 11px "Geist Mono", monospace; }

[data-v2] .v2-bar-row { margin-top: 12px; }
[data-v2] .v2-bar-row:first-child { margin-top: 0; }
[data-v2] .v2-bar-row > div:first-child {
  display: flex; justify-content: space-between; gap: 10px; color: var(--v2-text-dim); font-size: 12px; margin-bottom: 6px;
}
[data-v2] .v2-bar-row strong { color: var(--v2-text); font-weight: 650; text-transform: capitalize; }
[data-v2] .v2-bar-track {
  height: 8px; border-radius: 999px; background: var(--v2-bg-raised); overflow: hidden; border: 1px solid var(--v2-line);
}
[data-v2] .v2-bar-track i { display: block; height: 100%; min-width: 4px; background: var(--v2-cyan); border-radius: inherit; }

[data-v2] .v2-dashboard-table {
  width: 100%; border-collapse: collapse; font-size: 12.5px; overflow: hidden;
}
[data-v2] .v2-dashboard-table th {
  color: var(--v2-text-faint); font: 700 10px "Geist Mono", monospace; letter-spacing: 0.5px;
  text-align: left; text-transform: uppercase; padding: 0 8px 9px 0; border-bottom: 1px solid var(--v2-line);
}
[data-v2] .v2-dashboard-table td {
  padding: 10px 8px 10px 0; border-bottom: 1px solid var(--v2-line); color: var(--v2-text-dim);
}
[data-v2] .v2-dashboard-table td:first-child { color: var(--v2-text); font-weight: 600; }
[data-v2] .v2-dashboard-table tr:last-child td { border-bottom: none; }
[data-v2] .v2-table-empty { text-align: center; color: var(--v2-text-faint) !important; padding: 24px 0 !important; }

[data-v2] .v2-usage-calc {
  border: 1px solid var(--v2-line); background: var(--v2-bg-raised); border-radius: 10px; padding: 16px;
}
[data-v2] .v2-usage-calc h3 { margin: 0 0 12px; font-size: 14px; font-weight: 650; }
[data-v2] .v2-usage-calc label {
  display: block; color: var(--v2-text-dim); font: 600 11px "Geist Mono", monospace; margin-top: 10px;
}
[data-v2] .v2-usage-calc input { margin-top: 5px; }
[data-v2] .v2-calc-result {
  margin-top: 14px; border-top: 1px solid var(--v2-line); padding-top: 14px; display: grid; gap: 4px;
}
[data-v2] .v2-calc-result span {
  color: var(--v2-text-dim); font: 700 10px "Geist Mono", monospace; letter-spacing: 0.6px; text-transform: uppercase;
}
[data-v2] .v2-calc-result strong { font: 750 26px "Geist Mono", monospace; color: var(--v2-green); }
[data-v2] .v2-calc-result small { color: var(--v2-text-faint); font-size: 11.5px; line-height: 1.4; }

/* --- Forms ------------------------------------------------------------------ */

[data-v2] .v2-label { display: block; font: 600 11px "Geist Mono", monospace; color: var(--v2-text-dim); margin: 14px 0 6px; letter-spacing: 0.3px; }
[data-v2] .v2-input, [data-v2] .v2-select, [data-v2] .v2-textarea {
  width: 100%; background: var(--v2-bg-raised); border: 1px solid var(--v2-line-strong); border-radius: 7px;
  color: var(--v2-text); padding: 10px 12px; font: 400 14px Geist, sans-serif;
}
[data-v2] .v2-textarea { resize: vertical; font-family: Geist, sans-serif; }
[data-v2] .v2-input:focus, [data-v2] .v2-textarea:focus, [data-v2] .v2-select:focus { outline: none; border-color: var(--v2-cyan); }

/* --- Upload / capture zone -------------------------------------------------- */

[data-v2] .v2-dropzone {
  border: 1.5px dashed var(--v2-line-strong); border-radius: 12px; padding: 44px 24px; text-align: center;
  background: var(--v2-bg-raised); transition: border-color .12s, background .12s;
}
[data-v2] .v2-dropzone.v2-drag { border-color: var(--v2-cyan); background: var(--v2-cyan-dim); }
[data-v2] .v2-dropzone .v2-icon { width: 52px; height: 52px; border-radius: 50%; background: var(--v2-cyan-dim); display: grid; place-items: center; margin: 0 auto 14px; font-size: 22px; color: var(--v2-cyan); }

/* --- Answer / evidence blocks (Technical Assistant, Diagnose) ------------- */

[data-v2] .v2-answer { font-size: 15px; line-height: 1.6; color: var(--v2-text); }
[data-v2] .v2-evidence-item {
  border: 1px solid var(--v2-line); border-radius: 8px; padding: 12px 14px; background: var(--v2-bg-raised);
  margin-top: 10px;
}
[data-v2] .v2-evidence-item pre {
  white-space: pre-wrap; font: 400 12px/1.5 "Geist Mono", monospace; color: var(--v2-text-dim); margin: 8px 0 0;
  max-height: 140px; overflow: auto;
}
[data-v2] .v2-conflict-pair { border-left: 2px solid var(--v2-amber); padding-left: 12px; margin-top: 10px; }

/* --- Empty / status states -------------------------------------------------- */

[data-v2] .v2-empty { padding: 40px; text-align: center; color: var(--v2-text-dim); font-size: 13px; }
[data-v2] .v2-error { color: var(--v2-red); background: var(--v2-red-dim); border: 1px solid rgba(224,97,106,0.3); border-radius: 8px; padding: 12px 14px; font-size: 13px; }

/* --- Role selection -------------------------------------------------------- */

[data-v2] .v2-role-screen {
  min-height: 100vh; display: grid; place-items: center; padding: 24px;
}
[data-v2] .v2-role-grid { display: grid; grid-template-columns: repeat(2, minmax(0,280px)); gap: 18px; }
[data-v2] .v2-role-card {
  background: var(--v2-surface); border: 1px solid var(--v2-line); border-radius: 14px; padding: 30px 24px;
  text-align: left; color: var(--v2-text); cursor: pointer; transition: border-color .12s, transform .12s;
}
[data-v2] .v2-role-card:hover { border-color: var(--v2-cyan); transform: translateY(-2px); }
[data-v2] .v2-role-card b { font-size: 26px; }
[data-v2] .v2-role-card h3 { margin: 14px 0 6px; font-size: 17px; }
[data-v2] .v2-role-card p { margin: 0; font-size: 12.5px; color: var(--v2-text-dim); line-height: 1.5; }

/* --- Recent list ------------------------------------------------------------- */

[data-v2] .v2-recent-row {
  display: flex; align-items: center; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid var(--v2-line);
  cursor: pointer;
}
[data-v2] .v2-recent-row:last-child { border-bottom: none; }
[data-v2] .v2-recent-row:hover .v2-field-value { color: var(--v2-cyan); }

/* --- Responsive ------------------------------------------------------------- */

@media (max-width: 900px) {
  [data-v2] .v2-shell { grid-template-columns: 1fr; }
  [data-v2] .v2-rail { flex-direction: row; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--v2-line); padding: 12px; }
  [data-v2] .v2-rail-brand, [data-v2] .v2-rail-mode, [data-v2] .v2-rail-foot { display: none; }
  [data-v2] .v2-nav-link { white-space: nowrap; }
  [data-v2] .v2-main { padding: 20px; }
  [data-v2] .v2-task-grid, [data-v2] .v2-admin-grid { grid-template-columns: 1fr 1fr; }
  [data-v2] .v2-dashboard-grid { grid-template-columns: 1fr 1fr; }
  [data-v2] .v2-dashboard-split, [data-v2] .v2-dashboard-split-wide { grid-template-columns: 1fr; }
  [data-v2] .v2-dashboard-actions { justify-content: flex-start; }
  [data-v2] .v2-role-grid { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  [data-v2] .v2-task-grid, [data-v2] .v2-admin-grid { grid-template-columns: 1fr; }
  [data-v2] .v2-dashboard-grid { grid-template-columns: 1fr; }
  [data-v2] .v2-panel-heading { align-items: flex-start; flex-direction: column; }
  [data-v2] .v2-hero-cta { flex-direction: column; align-items: flex-start; }
}