/* ============================================================================
   TagExtractor — Prism design system
   Space Grotesk (headings) · Poppins (content) · JetBrains Mono (tags)
   Palette: Navy #13294B · Sky #7FB3E6 · Teal #0E8A7E · Amber #E3A21A
   ========================================================================== */
:root{
  --bg:#F4F6F9; --surface:#FFFFFF; --surface-2:#F0F3F7; --border:#D9DEE6; --border-2:#C9D3E3;
  --text:#13294B; --muted:#4A5568; --faint:#8A95A5;
  --navy:#13294B; --navy-2:#1F3D6B; --sky:#7FB3E6; --teal:#0E8A7E; --amber:#E3A21A;
  --primary:#13294B; --primary-d:#1F3D6B; --primary-deep:#0D1C34; --primary-l:#E9EDF4;
  --accent:#0E8A7E; --accent-d:#0B6F66; --accent-l:#E3F3F1;
  --gold:#E3A21A;
  --ok:#178A52; --ok-bg:#E4F5EC; --warn:#B7791F; --warn-bg:#FBF2DD;
  --danger:#C22B20; --danger-bg:#FBE9E7; --rot:#6D5BC7; --rot-bg:#F0EDFB;
  --info-bg:#EDF1F5; --info:#4A5568;
  --blue:#2F6FBF; --blue-bg:#EAF2FB;
  --shadow-s:0 1px 2px rgba(19,41,75,.05);
  --shadow:0 1px 2px rgba(19,41,75,.05),0 12px 32px -16px rgba(19,41,75,.18);
  --shadow-l:0 2px 4px rgba(19,41,75,.06),0 24px 56px -20px rgba(19,41,75,.26);
  --radius:16px; --radius-s:12px;
  --sans:"Poppins","Segoe UI",system-ui,sans-serif;
  --display:"Space Grotesk","Poppins",sans-serif;
  --wordmark:"Sora","Space Grotesk",sans-serif;
  --mono:"JetBrains Mono","SF Mono",Consolas,monospace;
  --ease:cubic-bezier(.22,.8,.3,1);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font-family:var(--sans);background:var(--bg);color:var(--text);
  font-size:13.5px;line-height:1.6;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;inset:0;z-index:-1;pointer-events:none;
  background:
    radial-gradient(900px 420px at 8% -10%, rgba(14,138,126,.06), transparent 60%),
    radial-gradient(700px 360px at 50% -6%, rgba(127,179,230,.10), transparent 60%),
    radial-gradient(800px 380px at 96% 0%,  rgba(227,162,26,.06), transparent 60%)}
a{color:var(--accent-d);text-decoration:none}
.hidden{display:none!important}
h1,h2,h3{font-family:var(--display);letter-spacing:-.015em;color:var(--navy)}
::selection{background:#EAF2FB}

/* entrance animation for each step */
@keyframes rise{from{opacity:0;transform:translateY(14px)}to{opacity:1;transform:none}}
.step{animation:rise .55s var(--ease) both}
.step:nth-of-type(1){animation-delay:.03s}.step:nth-of-type(2){animation-delay:.09s}
.step:nth-of-type(3){animation-delay:.15s}.step:nth-of-type(4){animation-delay:.21s}
@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}

/* ---------- top bar (same nav as the Prism landing page) ---------- */
header.topbar{position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:16px;
  padding:12px 32px;color:var(--text);
  background:rgba(244,246,249,.86);backdrop-filter:blur(12px);border-bottom:1px solid var(--border)}
header .brand{display:flex;align-items:center;gap:10px;color:var(--navy)}
header .brand .mark{width:30px;height:26px;flex:none}
header .brand .word{font-family:var(--wordmark);font-weight:600;font-size:20px;letter-spacing:-.03em;line-height:1}
header .sep{width:1px;height:28px;background:var(--border-2)}
header h1{font-size:17px;margin:0;font-weight:700;letter-spacing:-.01em}
header .sub{font-size:11.5px;color:var(--muted);margin-top:1px;font-weight:400;letter-spacing:.01em}
header .spacer{flex:1}
.badge-ocr{font-size:12px;padding:6px 13px;border-radius:999px;display:flex;align-items:center;gap:8px;color:var(--muted);
  background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow-s)}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(23,138,82,.18)}
.dot.off{background:var(--danger);box-shadow:0 0 0 3px rgba(194,43,32,.18)}
header .home-link{font-size:12.5px;font-weight:500;padding:6px 12px;border-radius:999px;color:var(--muted);
  transition:background .2s var(--ease),color .2s var(--ease)}
header .home-link:hover{background:var(--surface-2);color:var(--navy)}

main{max-width:1200px;margin:0 auto;padding:34px 26px 90px}

/* ---------- step headers ---------- */
.step{margin-bottom:34px}
.step-h{display:flex;align-items:center;gap:13px;margin:0 0 16px;flex-wrap:wrap}
.step-n{width:30px;height:30px;border-radius:10px;color:#fff;flex:none;
  display:grid;place-items:center;font-family:var(--display);font-weight:700;font-size:14px;
  background:var(--navy);box-shadow:0 4px 10px -3px rgba(19,41,75,.45)}
.step-h h2{font-size:17px;margin:0;font-weight:700}
.step-h .hint{color:var(--muted);font-size:12px;margin-left:2px;max-width:640px;font-weight:400}
.step-h .spacer{flex:1}

/* ---------- cards ---------- */
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  box-shadow:var(--shadow);transition:box-shadow .3s var(--ease),transform .3s var(--ease)}
.pad{padding:22px}

/* ---------- drop zones ---------- */
.drop{border:1.5px dashed var(--border-2);border-radius:13px;background:var(--surface-2);
  padding:26px;text-align:center;color:var(--muted);cursor:pointer;
  transition:border-color .25s,background .25s,transform .25s var(--ease)}
.drop:hover,.drop.drag{border-color:var(--accent);background:var(--accent-l);color:var(--accent-d);
  transform:translateY(-1px)}
.drop strong{color:var(--text);font-weight:600}
.drop .big{font-size:26px;margin-bottom:7px;transition:transform .3s var(--ease)}
.drop:hover .big{transform:scale(1.12)}

/* ---------- chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:7px;margin-top:15px;max-height:150px;overflow:auto}
.chip{font-size:11.5px;padding:4px 11px;border-radius:999px;background:var(--primary-l);
  color:var(--navy);border:1px solid var(--border-2);font-weight:500;font-family:var(--mono);
  animation:rise .35s var(--ease) both}
.chip.miss{background:var(--danger-bg);color:var(--danger);border-color:#F3C5C0}
.row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.muted{color:var(--muted)}
.switch{display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);cursor:pointer;font-weight:500}
.switch input{accent-color:var(--navy);width:15px;height:15px}

/* ---------- category grid ---------- */
.cats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
@media(max-width:800px){.cats{grid-template-columns:1fr}}
.cats .card:hover{box-shadow:var(--shadow-l);transform:translateY(-2px)}
.cat-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:13px}
.cat-title{font-family:var(--display);font-weight:600;font-size:14.5px;color:var(--navy)}
.cat-title small{display:block;color:var(--faint);font-family:var(--sans);font-weight:400;font-size:10.5px;margin-top:1px;letter-spacing:.03em}
.cat-count{font-size:11.5px;color:var(--muted);background:var(--surface-2);border:1px solid var(--border);
  padding:3px 11px;border-radius:999px;font-weight:500;transition:.25s}

/* ---------- file list ---------- */
.files{margin-top:13px;display:flex;flex-direction:column;gap:8px}
.file{display:flex;align-items:center;gap:9px;padding:10px 13px;border:1px solid var(--border);
  border-radius:var(--radius-s);background:var(--surface-2);font-size:12px;
  animation:rise .4s var(--ease) both;transition:border-color .2s,background .2s}
.file:hover{border-color:var(--border-2);background:#F8FAFC}
.file .nm{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-weight:500}
.tag{font-size:10.5px;padding:3px 9px;border-radius:7px;font-weight:600;white-space:nowrap;letter-spacing:.01em}
.t-ok{background:var(--ok-bg);color:var(--ok)}
.t-warn{background:var(--warn-bg);color:var(--warn)}
.t-scan{background:var(--danger-bg);color:var(--danger)}
.t-rot{background:var(--rot-bg);color:var(--rot)}
.t-info{background:var(--info-bg);color:var(--info)}

/* ---------- buttons (navy, like "Open tool" on the landing page) ---------- */
.btn{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--navy);
  color:#fff;font-family:var(--display);font-weight:600;font-size:13px;padding:10px 17px;
  border-radius:11px;cursor:pointer;position:relative;overflow:hidden;
  background:var(--navy);box-shadow:0 6px 16px -8px rgba(19,41,75,.55);
  transition:transform .2s var(--ease),box-shadow .25s var(--ease),background .2s var(--ease)}
.btn:hover:not(:disabled){transform:translateY(-1px);background:var(--navy-2);border-color:var(--navy-2);
  box-shadow:0 10px 20px -8px rgba(19,41,75,.55)}
.btn:active:not(:disabled){transform:translateY(0) scale(.98)}
.btn:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}
.btn.ghost{background:var(--surface);color:var(--navy);border-color:var(--border);box-shadow:var(--shadow-s)}
.btn.ghost:hover:not(:disabled){background:var(--surface-2);border-color:var(--border-2);box-shadow:var(--shadow-s)}
.btn.sm,.btn.ghost.sm{padding:7px 12px;font-size:11.5px;border-radius:9px}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px;align-items:center}
.spin{width:13px;height:13px;border:2px solid rgba(255,255,255,.4);border-top-color:#fff;
  border-radius:50%;animation:sp .7s linear infinite;flex:none}
.btn.ghost .spin{border-color:rgba(19,41,75,.25);border-top-color:var(--navy)}
@keyframes sp{to{transform:rotate(360deg)}}

/* batch ingest */
.batch-row{display:flex;gap:9px;margin-top:11px;align-items:center}
.batch-in{flex:1;border:1px solid var(--border);border-radius:10px;padding:8px 12px;font-size:12px;
  font-family:var(--mono);background:var(--surface-2);color:var(--text);min-width:0;transition:.2s}
.batch-in::placeholder{color:var(--faint);font-family:var(--sans)}
.batch-in:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-l);background:#fff}

/* ---------- validation ---------- */
.val-tools{display:flex;gap:11px;align-items:center;margin-bottom:14px;flex-wrap:wrap}
.groupby{display:inline-flex;border:1px solid var(--border);border-radius:var(--radius-s);
  overflow:hidden;background:var(--surface-2);box-shadow:var(--shadow-s);padding:3px;gap:2px}
.gb{border:0;background:transparent;padding:7px 14px;font-family:var(--display);font-size:12px;border-radius:9px;
  font-weight:600;color:var(--muted);cursor:pointer;transition:background .2s,color .2s}
.gb.active{background:var(--surface);color:var(--navy);box-shadow:var(--shadow-s)}
.gb:hover:not(.active){color:var(--navy)}
.search{flex:1;min-width:200px;border:1px solid var(--border);border-radius:var(--radius-s);
  padding:9px 14px;font-family:var(--sans);font-size:12.5px;transition:.2s;background:#fff;color:var(--text)}
.search::placeholder{color:var(--faint)}
.search:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-l)}

/* accordion with smooth expand */
.acc{border:1px solid var(--border);border-radius:13px;overflow:hidden;margin-bottom:10px;
  background:var(--surface);transition:box-shadow .25s var(--ease);animation:rise .4s var(--ease) both}
.acc:hover{box-shadow:var(--shadow)}
.acc-h{display:flex;align-items:center;gap:11px;padding:12px 16px;cursor:pointer;
  background:var(--surface-2);transition:background .2s;user-select:none}
.acc-h:hover{background:#EBEFF4}
.acc-h .pf{font-family:var(--mono);font-weight:600;color:var(--navy);font-size:12.5px}
.acc-h .ct{margin-left:auto;font-size:11.5px;color:var(--muted);background:#fff;border:1px solid var(--border);
  padding:2px 10px;border-radius:999px;font-weight:500}
.chev{transition:transform .3s var(--ease);color:var(--faint);font-size:11px}
.acc-b{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s var(--ease)}
.acc-b>*{overflow:hidden;min-height:0}
.acc.open .acc-b{grid-template-rows:1fr}
.acc.open .chev{transform:rotate(90deg)}
.acc.open .acc-h{background:var(--primary-l)}

table.tags{width:100%;border-collapse:collapse;font-size:12px}
table.tags th,table.tags td{text-align:left;padding:8px 16px;border-top:1px solid var(--border)}
table.tags th{color:var(--muted);font-weight:600;background:var(--surface-2);font-size:10.5px;
  text-transform:uppercase;letter-spacing:.05em}
table.tags tr{transition:background .15s}
table.tags tbody tr:hover{background:#F8FAFC}
table.tags td.tg{font-family:var(--mono);font-weight:600;font-size:12px}
.mini{font-size:10px;padding:2px 7px;border-radius:6px;background:var(--warn-bg);color:var(--warn);font-weight:700}

/* MTR pills */
.mpill{font-size:10.5px;padding:3px 10px;border-radius:999px;font-weight:600;white-space:nowrap;
  display:inline-flex;align-items:center;gap:5px;letter-spacing:.01em}
.mpill::before{content:"";width:5px;height:5px;border-radius:50%;background:currentColor}
.m-exact{background:var(--ok-bg);color:var(--ok)}
.m-normalized{background:var(--blue-bg);color:var(--blue)}
.m-suggested{background:var(--warn-bg);color:var(--warn)}
.m-unmatched{background:var(--danger-bg);color:var(--danger)}
.mtr-sug{font-family:var(--mono);font-size:11px;color:var(--blue);font-weight:600;margin-left:5px;white-space:nowrap}

/* ---------- downloads bar ---------- */
.dlbar{position:sticky;bottom:16px;margin-top:28px;display:flex;gap:12px;flex-wrap:wrap;align-items:center;
  padding:15px 20px;background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-l)}
.dlbar .lbl{font-family:var(--display);font-weight:700;font-size:13.5px;margin-right:4px;color:var(--navy)}
.empty{color:var(--faint);font-size:13px;padding:10px 2px}

/* ---------- toast ---------- */
.toast{position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(12px);
  background:var(--navy);color:#fff;padding:12px 20px;border-radius:12px;font-size:12.5px;font-weight:500;
  box-shadow:var(--shadow-l);z-index:60;opacity:0;pointer-events:none;
  transition:opacity .3s var(--ease),transform .3s var(--ease)}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}
.toast.err{background:#7A231C}
.mini.rng{background:var(--blue-bg);color:var(--blue)}

@media (max-width:640px){
  header.topbar{padding:10px 16px;gap:10px}
  header .sep,header .sub,header .home-link{display:none}
  main{padding:22px 16px 80px}
}