/* ANPR Validation dashboard — dark-friendly admin panel.
   8px spacing rhythm, semantic status tokens, card grid. */
:root{
  /* neutrals */
  --bg:#0d111b;
  --surface:#161c2b;
  --surface-2:#1b2333;
  --line:#28324a;
  --line-strong:#354364;
  --txt:#e8edf7;
  --muted:#93a0ba;
  --muted-2:#6c7a95;
  /* semantic status */
  --ok:#34d399;      --ok-bg:rgba(52,211,153,.13);   --ok-line:rgba(52,211,153,.34);
  --warn:#fbbf24;    --warn-bg:rgba(251,191,36,.13);  --warn-line:rgba(251,191,36,.34);
  --bad:#f87171;     --bad-bg:rgba(248,113,113,.13);  --bad-line:rgba(248,113,113,.34);
  --neutral:#9aa6bf; --neutral-bg:rgba(154,166,191,.12); --neutral-line:rgba(154,166,191,.30);
  --accent:#6366f1;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 1px 2px rgba(0,0,0,.35), 0 6px 20px rgba(0,0,0,.28);
}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  background:
    radial-gradient(1200px 500px at 80% -10%, rgba(99,102,241,.10), transparent 60%),
    var(--bg);
  color:var(--txt);
  min-height:100dvh;
}

/* ---- top bar ---- */
.topbar{
  position:sticky;top:0;z-index:20;
  background:rgba(13,17,27,.82);
  backdrop-filter:saturate(140%) blur(8px);
  border-bottom:1px solid var(--line);
}
.topbar-inner{max-width:1120px;margin:0 auto;padding:16px 32px}
.brand{display:flex;align-items:center;gap:14px}
.brand-mark{
  display:grid;place-items:center;flex:0 0 auto;
  width:40px;height:40px;border-radius:11px;
  color:#c7cbff;background:linear-gradient(160deg,#2a3150,#1a2035);
  border:1px solid var(--line-strong);
}
.brand-text h1{margin:0;font-size:18px;font-weight:650;letter-spacing:-.01em}
.brand-text p{margin:2px 0 0;color:var(--muted);font-size:13px}

.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.logout button{
  background:transparent;border:1px solid var(--line-strong);color:var(--muted);
  font-size:12.5px;padding:6px 12px;border-radius:999px;cursor:pointer;
}
.logout button:hover{color:var(--txt);border-color:var(--accent)}

/* ---- layout ---- */
main{max-width:1320px;margin:0 auto;padding:32px}

/* ---- scenario strip: the four steps, lighting up as the run progresses ---- */
.scenario{margin-bottom:20px}
.steps{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;
  list-style:none;padding:0;margin:0;
}
.step{
  display:flex;gap:10px;padding:12px 14px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  opacity:.45;transition:opacity .25s ease, border-color .25s ease;
}
.step.is-active{opacity:1}
.step.is-current{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}
.step-num{
  flex:0 0 auto;display:grid;place-items:center;width:24px;height:24px;border-radius:50%;
  background:var(--surface-2);border:1px solid var(--line-strong);
  font-size:12px;font-weight:700;color:var(--muted);
}
.step.is-current .step-num{background:var(--accent);border-color:var(--accent);color:#fff}
.step-text b{display:block;font-size:13px;font-weight:600;color:var(--txt)}
.step-text small{display:block;color:var(--muted-2);font-size:12px;margin-top:2px}

/* ---- stage: body-cam feed + gate status ---- */
.stage{
  display:grid;grid-template-columns:minmax(0,1.9fr) minmax(280px,1fr);
  gap:16px;margin-bottom:16px;align-items:start;
}
.panel{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:16px;margin-bottom:16px;
}
.panel-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:12px}
.panel-head h2{margin:0;font-size:14px;font-weight:650;letter-spacing:.02em}
.panel-sub{font-size:12.5px;color:var(--muted-2)}
.tag{
  font-size:11.5px;color:var(--muted-2);
  border:1px solid var(--line);border-radius:999px;padding:2px 9px;white-space:nowrap;
}
.feed-video{
  width:100%;aspect-ratio:848/478;background:#05070c;
  border-radius:var(--radius-sm);display:block;margin-top:12px;
}
.feed-caption{font-size:12.5px;color:var(--muted);margin:8px 0 0}
/* the default auto-fit tiles collapse badly in a ~300px column */
.panel-side .summary{grid-template-columns:1fr 1fr;margin:0}
.panel-side .status{margin-top:0}

/* ---- dropzone ---- */
#drop{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  min-height:120px;padding:22px;
  background:var(--surface);
  border:2px dashed var(--line-strong);
  border-radius:var(--radius);
  color:var(--muted);text-align:center;cursor:pointer;
  transition:border-color .18s ease, background .18s ease, color .18s ease;
}
#drop:hover,#drop:focus-visible,#drop.drag{
  border-color:var(--accent);
  background:var(--surface-2);
  color:var(--txt);
  outline:none;
}
#drop:focus-visible{box-shadow:0 0 0 3px rgba(99,102,241,.35)}
#drop.drag{border-style:solid}
.drop-icon{color:var(--accent);margin-bottom:2px}
.drop-title{font-size:15px;font-weight:600;color:var(--txt)}
.drop-hint{font-size:13px;color:var(--muted-2)}

/* ---- status line ---- */
.status{
  display:flex;align-items:center;gap:10px;
  margin:20px 0;padding:12px 16px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-sm);color:var(--muted);font-size:14px;
}
.status.is-working::before{
  content:"";width:14px;height:14px;flex:0 0 auto;border-radius:50%;
  border:2px solid var(--line-strong);border-top-color:var(--accent);
  animation:spin .7s linear infinite;
}
.status.is-error{color:var(--bad);border-color:var(--bad-line);background:var(--bad-bg)}
.status.is-done{color:var(--txt)}
@keyframes spin{to{transform:rotate(360deg)}}

/* ---- summary stat tiles ---- */
.summary{
  display:grid;gap:14px;margin:0 0 24px;
  grid-template-columns:repeat(auto-fit,minmax(150px,1fr));
}
.stat{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-sm);padding:14px 16px;
  display:flex;flex-direction:column;gap:4px;
}
.stat .stat-value{
  font-size:26px;font-weight:700;line-height:1;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.stat .stat-label{
  font-size:12px;font-weight:600;letter-spacing:.03em;text-transform:capitalize;
  color:var(--muted);display:flex;align-items:center;gap:7px;
}
.stat .dot{width:8px;height:8px;border-radius:50%;flex:0 0 auto}
.stat.total .stat-value{color:var(--txt)}
.stat.verified .stat-value{color:var(--ok)}          .stat.verified .dot{background:var(--ok)}
.stat.attribute_mismatch .stat-value{color:var(--warn)} .stat.attribute_mismatch .dot{background:var(--warn)}
.stat.not_in_database .stat-value{color:var(--bad)}  .stat.not_in_database .dot{background:var(--bad)}
.stat.unread .stat-value{color:var(--neutral)}       .stat.unread .dot{background:var(--neutral)}

/* ---- results queue (vertical, one row per vehicle) ---- */
.results{display:flex;flex-direction: column;gap:14px}
/* per-file wrapper so live partial results can be re-rendered independently,
   without becoming a flex item that breaks the queue's spacing */
.file-block{display:contents}
.card{
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:row;
  transition:border-color .15s ease;
}
.card:hover{border-color:var(--line-strong)}
.card-media{
  flex:0 0 auto;width:260px;height:168px;background:#080b12;
  display:block;object-fit:cover;
  border-right:1px solid var(--line);
}
.card .body{flex:1 1 auto;min-width:0;padding:16px;display:flex;flex-direction:column;gap:10px}

/* ---- extracted attribute values + mismatch highlight ---- */
.val{font-weight:600;color:var(--txt)}
.val.mismatch{
  color:var(--warn);background:var(--warn-bg);
  border:1px solid var(--warn-line);
  padding:1px 8px;border-radius:999px;
  font-weight:650;white-space:nowrap;
}
/* non-colour cue so the mismatch reads without relying on colour alone */
.val.mismatch::after{content:"\00a0\2260";font-weight:700}

.plate-row{display:flex;align-items:flex-start;justify-content:space-between;gap:10px}
.verdict{display:flex;flex-direction:column;align-items:flex-end;gap:3px;text-align:right}
.verdict-sub{font-size:11px;color:var(--muted-2);max-width:220px}
.read-conf{padding-top:0;border-top:none;font-size:12.5px;color:var(--muted-2)}

/* ---- camera-vs-registry comparison, the heart of a verification card ---- */
.compare{
  display:grid;grid-template-columns:auto 1fr 1fr;gap:6px 16px;
  font-size:13px;align-items:center;
  padding-top:10px;border-top:1px solid var(--line);
}
.compare .h{
  font-size:11px;text-transform:uppercase;letter-spacing:.05em;
  color:var(--muted-2);font-weight:600;
}
.c-label{color:var(--muted)}
.c-label.row-bad{color:var(--warn)}
.c-reg{color:var(--txt)}
.c-dash{color:var(--muted-2)}
.advisory{
  display:inline-block;margin-left:6px;padding:0 6px;border-radius:999px;
  background:var(--neutral-bg);border:1px solid var(--neutral-line);
  color:var(--muted-2);font-size:9.5px;letter-spacing:.05em;text-transform:uppercase;
  vertical-align:middle;
}
.advisory-note{margin:8px 0 0;font-size:11.5px;color:var(--muted-2);line-height:1.45}
.no-record{
  margin:10px 0 0;font-size:12.5px;color:var(--bad);
  background:var(--bad-bg);border:1px solid var(--bad-line);
  border-radius:var(--radius-sm);padding:8px 12px;
}
.gate-action{
  margin-top:10px;padding-top:10px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.gate-action b{color:var(--txt)}
.plate{
  font-family:"SF Mono",ui-monospace,"Cascadia Code",Consolas,monospace;
  font-size:19px;font-weight:700;letter-spacing:1.5px;
  color:var(--txt);word-break:break-all;
}

/* ---- status badge (class names are a JS contract) ---- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:999px;
  font-size:11.5px;font-weight:650;letter-spacing:.02em;text-transform:capitalize;
  white-space:nowrap;border:1px solid transparent;
}
.badge::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor}
.badge.verified{color:var(--ok);background:var(--ok-bg);border-color:var(--ok-line)}
.badge.attribute_mismatch{color:var(--warn);background:var(--warn-bg);border-color:var(--warn-line)}
.badge.not_in_database{color:var(--bad);background:var(--bad-bg);border-color:var(--bad-line)}
.badge.unread{color:var(--neutral);background:var(--neutral-bg);border-color:var(--neutral-line)}

/* ---- key/value blocks ---- */
.kv{
  font-size:13px;color:var(--muted);line-height:1.5;
  padding-top:10px;border-top:1px solid var(--line);
}
.kv:first-of-type{border-top:none;padding-top:0}
.kv b{color:var(--txt);font-weight:600}
.kv .kv-sep{color:var(--muted-2);padding:0 6px}
.empty{
  grid-column:1/-1;text-align:center;color:var(--muted);
  padding:40px 20px;background:var(--surface);
  border:1px dashed var(--line-strong);border-radius:var(--radius);
}

/* ---- Vahan registry table ---- */
.table-wrap{
  max-height:420px;overflow:auto;
  border:1px solid var(--line);border-radius:var(--radius-sm);
}
table.registry{width:100%;border-collapse:collapse;font-size:13px}
table.registry th{
  position:sticky;top:0;z-index:1;background:var(--surface-2);text-align:left;
  font-size:11px;letter-spacing:.05em;text-transform:uppercase;color:var(--muted-2);
  padding:9px 12px;border-bottom:1px solid var(--line);
}
table.registry td{padding:9px 12px;border-bottom:1px solid var(--line);color:var(--muted)}
table.registry tr:last-child td{border-bottom:none}
td.plate-cell{
  font-family:"SF Mono",ui-monospace,Consolas,monospace;
  letter-spacing:1px;color:var(--txt);font-weight:600;
}
td.reg-state{font-size:11.5px;font-weight:650;letter-spacing:.04em}
tr.row-hit{background:var(--ok-bg);box-shadow:inset 3px 0 0 var(--ok)}
tr.row-hit td.reg-state{color:var(--ok)}
tr.row-flag{background:var(--warn-bg);box-shadow:inset 3px 0 0 var(--warn)}
tr.row-flag td.reg-state{color:var(--warn)}
@keyframes hit-flash{from{background:rgba(255,255,255,.22)}to{background:transparent}}
tr.row-flash{animation:hit-flash .9s ease-out}

/* ---- login ---- */
.login-body{display:grid;place-items:center;min-height:100dvh;padding:24px}
.login-wrap{width:100%;max-width:360px}
.login-card{
  display:flex;flex-direction:column;gap:14px;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);
}
.login-card h1{margin:0;font-size:18px;font-weight:650;letter-spacing:-.01em}
.login-sub{margin:0;color:var(--muted);font-size:13px}
.login-error{
  margin:0;font-size:12.5px;color:var(--bad);
  background:var(--bad-bg);border:1px solid var(--bad-line);
  border-radius:var(--radius-sm);padding:8px 12px;
}
.login-field{display:flex;flex-direction:column;gap:6px;font-size:12.5px;color:var(--muted)}
.login-field input{
  padding:10px 12px;border-radius:var(--radius-sm);
  border:1px solid var(--line-strong);background:var(--bg);color:var(--txt);
  font-size:14px;font-family:inherit;
}
.login-field input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(99,102,241,.3)}
.login-btn{
  margin-top:4px;padding:11px 16px;border:none;border-radius:var(--radius-sm);
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;
  font-family:inherit;cursor:pointer;
}
.login-btn:hover{filter:brightness(1.08)}

@media (max-width:1080px){
  .stage{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr 1fr}
}
@media (max-width:640px){
  .topbar-inner,main{padding-left:18px;padding-right:18px}
  main{padding-top:24px}
  .card{flex-direction:column}
  .card-media{
    width:100%;height:190px;
    border-right:none;border-bottom:1px solid var(--line);
  }
}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
}