:root{
  --navy:#16335c; --navy2:#1f3864; --blue:#2e75b6; --blue-soft:#eaf1f9;
  --ink:#1a2230; --muted:#5b6678; --line:#e2e8f1; --bg:#eef2f7;
  --card:#ffffff; --good:#1f9d63; --good-soft:#e7f5ee; --amber:#b7791f; --red:#c0392b;
  --radius:16px; --shadow:0 1px 2px rgba(16,40,80,.05),0 8px 28px rgba(16,40,80,.07);
  --font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);
  line-height:1.55;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;}

/* ---- shared buttons ---- */
button.btn,.btn{font-family:var(--font);font-size:14px;font-weight:700;cursor:pointer;
  border-radius:11px;padding:10px 16px;border:1.5px solid var(--line);background:#fff;
  color:var(--navy);transition:.18s;display:inline-flex;align-items:center;gap:8px;}
.btn:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-1px);}
.btn.primary{background:linear-gradient(135deg,var(--blue),var(--navy));
  border-color:transparent;color:#fff;box-shadow:0 6px 18px rgba(31,56,100,.28);}
.btn.primary:hover{color:#fff;filter:brightness(1.06);}
.btn.ghost{background:transparent;border-color:transparent;color:var(--muted);}
.btn.ghost:hover{color:var(--red);}

/* ---- nav (hub) ---- */
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:14px 24px;background:rgba(255,255,255,.9);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50;}
.nav-left{display:flex;align-items:center;gap:14px;min-width:0;}
.logo{font-weight:800;color:var(--navy);font-size:16px;}
.logo-dot{color:var(--blue);}
.nav-subtitle{font-size:13px;color:var(--muted);border-left:1px solid var(--line);padding-left:14px;}
.nav-right{display:flex;align-items:center;gap:8px;}

/* ---- container ---- */
.container{max-width:920px;margin:0 auto;padding:24px 22px 60px;}
.hub-intro{font-size:15px;color:var(--muted);margin:6px 0 22px;}

/* ---- document list (hub) ---- */
.doc-list{display:flex;flex-direction:column;gap:10px;}
.doc-item{display:flex;align-items:center;gap:14px;padding:16px 18px;background:var(--card);
  border:1px solid var(--line);border-radius:13px;box-shadow:var(--shadow);transition:.18s;}
.doc-item:hover{border-color:var(--blue);transform:translateY(-1px);}
.doc-type-badge{flex:none;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.5px;
  color:#fff;background:linear-gradient(135deg,var(--blue),var(--navy));padding:5px 10px;border-radius:8px;}
.doc-info{flex:1;min-width:0;}
.doc-title{font-weight:700;color:var(--navy);font-size:15.5px;}
.doc-meta{font-size:13px;color:var(--muted);margin-top:3px;}
.doc-link{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;color:var(--blue);}
.doc-open{flex:none;font-size:13px;font-weight:700;color:var(--blue);}
.doc-status{font-weight:700;text-transform:capitalize;}
.status-open{color:var(--good);}
.status-in-review{color:var(--amber);}
.status-closed{color:var(--muted);}

.empty{text-align:center;padding:64px 20px;color:var(--muted);}
.empty-heading{font-size:18px;font-weight:700;color:var(--navy);}
.empty-text{font-size:14px;margin-top:6px;}

/* ---- modal (new document) ---- */
.modal{border:none;border-radius:var(--radius);padding:0;box-shadow:0 20px 60px rgba(16,40,80,.25);
  width:min(460px,92vw);}
.modal::backdrop{background:rgba(16,40,80,.4);backdrop-filter:blur(2px);}
.modal-card{padding:26px;}
.modal-title{margin:0 0 16px;color:var(--navy);font-size:19px;}
.modal-input{width:100%;font-family:var(--font);font-size:14.5px;border:1.5px solid var(--line);
  border-radius:11px;padding:11px 13px;background:#fbfcfe;margin-bottom:14px;}
.modal-input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(46,117,182,.12);}
.modal-error{color:var(--red);font-size:13px;min-height:18px;margin-bottom:6px;}
.modal-actions{display:flex;justify-content:flex-end;gap:10px;}
.fld{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin:0 0 5px;}
.fld-opt{font-weight:400;color:var(--muted);}

/* ---- login ---- */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:20px;}
.login-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:38px 34px;width:min(420px,94vw);text-align:center;}
.login-brand{font-weight:800;color:var(--navy);font-size:15px;margin-bottom:18px;}
.login-brand span{color:var(--blue);font-weight:600;}
.login-title{font-size:24px;color:var(--navy);margin:0 0 6px;}
.login-sub{font-size:14.5px;color:var(--muted);margin:0 0 20px;}
.login-input{width:100%;font-family:var(--font);font-size:15px;border:1.5px solid var(--line);
  border-radius:11px;padding:12px 14px;background:#fbfcfe;margin-bottom:12px;}
.login-input:focus{outline:none;border-color:var(--blue);box-shadow:0 0 0 4px rgba(46,117,182,.12);}
.login-btn{width:100%;justify-content:center;}
.login-error{background:#fdecea;color:var(--red);border-radius:10px;padding:10px;font-size:13.5px;
  font-weight:600;margin-bottom:14px;}
.login-foot{font-size:12.5px;color:var(--muted);margin:18px 0 0;}

/* ---- form: topbar ---- */
.topbar{position:sticky;top:0;z-index:50;backdrop-filter:saturate(1.4) blur(8px);
  background:rgba(255,255,255,.88);border-bottom:1px solid var(--line);}
.topbar-inner{max-width:920px;margin:0 auto;padding:12px 22px;display:flex;align-items:center;gap:16px;}
.brand{font-weight:700;color:var(--navy);font-size:15px;letter-spacing:.2px;white-space:nowrap;}
.brand span{color:var(--blue);font-weight:600;}
.progress-wrap{flex:1;display:flex;align-items:center;gap:10px;min-width:0;}
.bar{flex:1;height:8px;border-radius:999px;background:var(--line);overflow:hidden;min-width:60px;}
.bar>i{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--blue),var(--navy));
  transition:width .4s cubic-bezier(.2,.8,.2,1);}
.count{font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums;white-space:nowrap;}
.save-pill{font-size:12px;color:var(--good);background:var(--good-soft);padding:4px 10px;
  border-radius:999px;font-weight:600;white-space:nowrap;opacity:0;transition:opacity .3s;}
.save-pill.show{opacity:1;}

/* ---- form: hero ---- */
.hero{max-width:920px;margin:0 auto;padding:46px 22px 8px;}
.eyebrow{display:inline-block;font-size:12px;font-weight:700;letter-spacing:1.4px;text-transform:uppercase;
  color:var(--blue);background:var(--blue-soft);padding:6px 12px;border-radius:999px;margin-bottom:18px;}
h1{font-size:32px;line-height:1.2;margin:0 0 6px;color:var(--navy);letter-spacing:-.4px;}
.sub{font-size:17px;color:var(--muted);margin:0 0 22px;font-weight:500;}
.purpose{margin:18px 0 6px;font-size:15.5px;color:#33405a;}

/* ---- form: sections ---- */
main{max-width:920px;margin:0 auto;padding:14px 22px 40px;}
.section{margin-top:30px;}
.section-head{display:flex;align-items:center;gap:14px;margin:0 0 4px;}
.badge{width:42px;height:42px;border-radius:12px;flex:none;display:grid;place-items:center;
  font-weight:800;font-size:18px;color:#fff;background:linear-gradient(135deg,var(--blue),var(--navy));
  box-shadow:0 4px 12px rgba(46,117,182,.3);}
.section-head h2{font-size:19px;margin:0;color:var(--navy);}
.section-head p{margin:2px 0 0;font-size:13px;color:var(--muted);}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);margin-top:14px;overflow:hidden;}
.q{padding:24px 24px;border-top:1px solid var(--line);transition:box-shadow .25s;}
.q:first-child{border-top:none;}
/* C: answered = a clean green spine (inset shadow → no layout shift) + the check */
.q.answered{box-shadow:inset 3px 0 0 var(--good);}
.q-top{display:flex;gap:14px;align-items:flex-start;}
.q-body{flex:1;min-width:0;}  /* A: title + controls share one left edge */
.q-num{font-weight:800;color:var(--blue);font-size:14px;background:var(--blue-soft);
  border-radius:8px;padding:3px 9px;flex:none;margin-top:1px;font-variant-numeric:tabular-nums;}
.q-text{font-size:15.5px;}
.q-text b{color:var(--ink);}
.q-help{font-size:13.5px;color:var(--muted);margin-top:3px;}
.q-check{margin-left:14px;flex:none;width:22px;height:22px;border-radius:50%;
  border:2px solid var(--line);display:grid;place-items:center;color:#fff;transition:.25s;font-size:13px;margin-top:1px;}
.q.answered .q-check{background:var(--good);border-color:var(--good);}

.control{margin-top:14px;}
/* B: inputs are quiet filled fields at rest (no competing outline); the blue
   ring is reserved for focus, so questions lead and inputs recede. */
input[type=text],input[type=url],input[type=number],textarea,select{
  width:100%;font-family:var(--font);font-size:14.5px;color:var(--ink);
  border:1.5px solid transparent;border-radius:11px;padding:11px 13px;background:#eef2f8;
  transition:border-color .2s,box-shadow .2s,background .2s;resize:vertical;}
input:hover,textarea:hover,select:hover{background:#e7edf6;}
input:focus,textarea:focus,select:focus{outline:none;border-color:var(--blue);
  box-shadow:0 0 0 4px rgba(46,117,182,.12);background:#fff;}
textarea{min-height:64px;}
label.fld{display:block;font-size:12.5px;font-weight:600;color:var(--muted);margin:0 0 5px;}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.grid4{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:12px;}

.choices{display:flex;flex-wrap:wrap;gap:9px;}
.choice{position:relative;}
.choice input{position:absolute;opacity:0;inset:0;cursor:pointer;}
.choice span{display:inline-block;padding:9px 15px;border:1.5px solid var(--line);border-radius:999px;
  font-size:14px;font-weight:600;color:var(--muted);cursor:pointer;background:#fbfcfe;transition:.18s;user-select:none;}
.choice input:hover+span{border-color:var(--blue);color:var(--blue);}
.choice input:checked+span{background:var(--blue);border-color:var(--blue);color:#fff;
  box-shadow:0 4px 12px rgba(46,117,182,.28);}
.choice.multi input:checked+span{background:var(--navy);border-color:var(--navy);}
.inline-extra{margin-top:11px;}

/* ---- form: file upload ---- */
.dropzone{margin-top:13px;border:2px dashed #bcd0e8;border-radius:13px;background:#f6f9fd;
  padding:18px;text-align:center;cursor:pointer;transition:.2s;display:block;}
.dropzone:hover,.dropzone.drag{border-color:var(--blue);background:#eef5fc;}
.dropzone .dz-ico{font-size:22px;}
.dropzone .dz-main{font-size:14px;font-weight:700;color:var(--navy);margin-top:3px;}
.dropzone .dz-sub{font-size:12.5px;color:var(--muted);margin-top:2px;}
.attach-row{margin-top:11px;}
.attach-add{display:inline-flex;align-items:center;gap:7px;font-size:13px;font-weight:600;
  color:var(--muted);background:#f4f7fb;border:1.5px solid var(--line);border-radius:999px;
  padding:7px 13px;cursor:pointer;transition:.18s;}
.attach-add:hover{border-color:var(--blue);color:var(--blue);background:#eef5fc;}

/* ---- uploaded files: the doc is the hero, the dropzone recedes ---- */
.filezone{margin-top:13px;}
.attach-row.filezone{margin-top:11px;}
.file-cards{display:flex;flex-direction:column;gap:8px;}
.filezone.has-files .file-cards{margin-bottom:11px;}
.file-card{display:flex;align-items:center;gap:13px;padding:13px 15px;background:#fff;
  border:1.5px solid #cfe0f3;border-left:4px solid var(--blue);border-radius:12px;box-shadow:var(--shadow);}
.fc-ico{font-size:22px;flex:none;line-height:1;}
.fc-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px;}
.fc-name{font-weight:700;color:var(--navy);font-size:14.5px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.fc-name:hover{text-decoration:underline;}
.fc-meta{font-size:12.5px;color:var(--muted);}
.fc-dl,.fc-x{flex:none;cursor:pointer;padding:6px 9px;border-radius:8px;font-size:15px;line-height:1;transition:.15s;}
.fc-dl{color:var(--blue);}
.fc-dl:hover{background:var(--blue-soft);}
.fc-x{color:var(--muted);font-weight:800;}
.fc-x:hover{color:var(--red);background:#fdecea;}
/* collapsed "add another" affordance, shown only once a file exists */
.dz-add{display:none;align-items:center;gap:7px;width:fit-content;font-size:13px;font-weight:600;
  color:var(--muted);background:#f4f7fb;border:1.5px dashed var(--line);border-radius:10px;
  padding:9px 14px;cursor:pointer;transition:.18s;}
.dz-add:hover{border-color:var(--blue);color:var(--blue);background:#eef5fc;}
.filezone.has-files .dropzone{display:none;}
.filezone.has-files .dz-add{display:inline-flex;}

footer{max-width:920px;margin:0 auto;padding:26px 22px 50px;color:var(--muted);font-size:12.5px;text-align:center;}

.toast{position:fixed;left:50%;bottom:40px;transform:translateX(-50%) translateY(20px);
  background:var(--navy);color:#fff;padding:12px 20px;border-radius:12px;font-size:14px;font-weight:600;
  box-shadow:0 10px 30px rgba(0,0,0,.25);opacity:0;pointer-events:none;transition:.3s;z-index:100;}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0);}

@media(max-width:680px){
  h1{font-size:25px;} .grid2,.grid4{grid-template-columns:1fr;}
  .brand{font-size:13px;} .hero{padding-top:32px;} .nav-subtitle{display:none;}
}