:root{
  --bg:#0f1419; --bg-2:#161d26; --card:#1b232e; --card-2:#212b38;
  --line:#2b3744; --ink:#e8edf2; --ink-dim:#9fb0c0; --ink-faint:#6b7c8c;
  --gold:#8b5cf6; --gold-soft:#a78bfa; --gold-dim:#6d28d9;
  --green:#3fb950; --red:#f06b6b; --amber:#e0a23b; --blue:#5aa9e6;
  --radius:14px; --radius-sm:9px;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--ink);-webkit-text-size-adjust:100%}
body{min-height:100vh;line-height:1.5}
.hidden{display:none !important}
small,.hint{color:var(--ink-faint);font-size:.78rem}
a{color:var(--gold-soft)}

/* ---------- header ---------- */
#appHeader{
  position:sticky;top:0;z-index:30;display:flex;align-items:center;justify-content:space-between;
  padding:.7rem 1rem;background:linear-gradient(180deg,#141b24,#11171f);
  border-bottom:1px solid var(--line);
}
.brand{display:flex;align-items:center;gap:.6rem}
.logo{
  display:block;width:40px;height:40px;border-radius:10px;object-fit:cover;background:#000;
  box-shadow:0 2px 12px rgba(139,92,246,.30);
}
.logo-lg{width:74px;height:74px;border-radius:18px}
.brand-name{font-weight:700;font-size:.98rem}
.brand-sub{font-size:.72rem;color:var(--gold-soft);text-transform:uppercase;letter-spacing:.6px}
.header-right{display:flex;align-items:center;gap:.6rem}
.whoami{font-size:.8rem;color:var(--ink-dim);max-width:42vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- layout ---------- */
.screen{padding:1rem;max-width:960px;margin:0 auto}
.auth-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;gap:1rem}
.section-title{display:flex;align-items:center;justify-content:space-between;margin:1.4rem 0 .7rem}
.section-title h2{font-size:1.05rem;margin:0}
.muted{color:var(--ink-dim)}
.grid{display:grid;gap:.8rem}
@media(min-width:680px){.grid.cols-2{grid-template-columns:1fr 1fr}.grid.cols-3{grid-template-columns:repeat(3,1fr)}}

/* ---------- auth card ---------- */
.auth-card{width:100%;max-width:420px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius);padding:1.4rem;box-shadow:0 12px 40px rgba(0,0,0,.35)}
.auth-brand{text-align:center;margin-bottom:1rem}
.auth-brand .logo{margin:0 auto .5rem}
.auth-brand h1{font-size:1.3rem;margin:.2rem 0 0}
.tagline{color:var(--ink-dim);font-size:.85rem;margin:.2rem 0 0}
.footer-brand{color:var(--ink-faint);font-size:.72rem;text-align:center}
.aiba-footer{text-align:center;margin-top:.4rem}
.aiba-logo{width:240px;max-width:78%;height:auto;border-radius:12px;opacity:.95}

.tabs{display:flex;background:var(--bg-2);border:1px solid var(--line);border-radius:10px;padding:4px;margin:1rem 0}
.tab{flex:1;background:none;border:none;color:var(--ink-dim);padding:.55rem;border-radius:7px;font-weight:600;cursor:pointer}
.tab.active{background:var(--card-2);color:var(--ink)}
.tab-pane{display:none;flex-direction:column;gap:.2rem}
.tab-pane.active{display:flex}

/* ---------- forms ---------- */
label{font-size:.78rem;color:var(--ink-dim);margin-top:.6rem;font-weight:600}
input,select,textarea{
  width:100%;background:var(--bg-2);border:1px solid var(--line);color:var(--ink);
  border-radius:var(--radius-sm);padding:.7rem .8rem;font-size:.95rem;margin-top:.25rem;outline:none;
}
input:focus,select:focus,textarea:focus{border-color:var(--gold);box-shadow:0 0 0 2px rgba(139,92,246,.18)}
textarea{resize:vertical;min-height:76px}
.field-row{display:flex;gap:.6rem}.field-row>*{flex:1}

/* ---------- buttons ---------- */
.btn{cursor:pointer;border:1px solid var(--line);background:var(--card-2);color:var(--ink);
  padding:.6rem .9rem;border-radius:var(--radius-sm);font-weight:600;font-size:.88rem;transition:.15s}
.btn:hover{filter:brightness(1.08)}
.btn-primary{background:linear-gradient(135deg,var(--gold),var(--gold-dim));color:#1a1300;border:none}
.btn-block{width:100%;margin-top:1rem;padding:.8rem}
.btn-sm{padding:.4rem .65rem;font-size:.8rem}
.btn-ghost{background:transparent;border-color:var(--line);color:var(--ink-dim)}
.btn-danger{background:transparent;border-color:#5a2b2b;color:var(--red)}
.btn-ok{background:transparent;border-color:#2b5a35;color:var(--green)}
.btn-row{display:flex;gap:.5rem;flex-wrap:wrap}

/* ---------- cards / list ---------- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:1rem;margin-bottom:.8rem}
.card-2{background:var(--card-2)}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:.9rem}
.stat .n{font-size:1.5rem;font-weight:800;color:var(--gold-soft)}
.stat .l{font-size:.75rem;color:var(--ink-dim);text-transform:uppercase;letter-spacing:.5px}

.item{display:flex;align-items:center;justify-content:space-between;gap:.6rem;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.75rem .85rem;margin-bottom:.55rem}
.item-main{min-width:0}
.item-title{font-weight:600}
.item-sub{font-size:.78rem;color:var(--ink-dim);overflow:hidden;text-overflow:ellipsis}
.item-actions{display:flex;gap:.4rem;flex-shrink:0}

.badge{display:inline-block;font-size:.68rem;font-weight:700;padding:.18rem .5rem;border-radius:999px;
  text-transform:uppercase;letter-spacing:.4px;border:1px solid}
.b-green{color:var(--green);border-color:#2b5a35;background:rgba(63,185,80,.08)}
.b-amber{color:var(--amber);border-color:#5a4a2b;background:rgba(224,162,59,.08)}
.b-red{color:var(--red);border-color:#5a2b2b;background:rgba(240,107,107,.08)}
.b-blue{color:var(--blue);border-color:#2b465a;background:rgba(90,169,230,.08)}
.b-gold{color:var(--gold-soft);border-color:var(--gold-dim);background:rgba(139,92,246,.08)}

.empty{text-align:center;color:var(--ink-faint);padding:1.6rem;border:1px dashed var(--line);border-radius:var(--radius)}
.code-chip{font-family:ui-monospace,Menlo,monospace;background:var(--bg-2);border:1px dashed var(--gold-dim);
  color:var(--gold-soft);padding:.25rem .55rem;border-radius:7px;letter-spacing:1px;font-weight:700}

/* sub-tabs */
.subtabs{display:flex;gap:.4rem;overflow-x:auto;padding-bottom:.3rem;margin:.4rem 0 1rem}
.subtab{white-space:nowrap;background:var(--card-2);border:1px solid var(--line);color:var(--ink-dim);
  padding:.45rem .8rem;border-radius:999px;font-size:.82rem;font-weight:600;cursor:pointer}
.subtab.active{background:rgba(139,92,246,.12);color:var(--gold-soft);border-color:var(--gold-dim)}

/* progress */
.bar{height:8px;background:var(--bg-2);border-radius:999px;overflow:hidden;border:1px solid var(--line)}
.bar>i{display:block;height:100%;background:linear-gradient(90deg,var(--gold-dim),var(--gold))}

/* ---------- modal / toast ---------- */
.modal-overlay{position:fixed;inset:0;background:rgba(0,0,0,.6);display:flex;align-items:center;justify-content:center;z-index:50;padding:1rem}
.modal{width:100%;max-width:460px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);max-height:90vh;overflow:auto}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:1rem;border-bottom:1px solid var(--line)}
.modal-head h3{margin:0;font-size:1rem}
.modal-x{background:none;border:none;color:var(--ink-dim);font-size:1.5rem;cursor:pointer;line-height:1}
.modal-body{padding:1rem}
.toast{position:fixed;left:50%;bottom:1.5rem;transform:translateX(-50%);z-index:60;
  background:var(--card-2);border:1px solid var(--gold-dim);color:var(--ink);padding:.7rem 1.1rem;
  border-radius:999px;font-size:.85rem;box-shadow:0 8px 30px rgba(0,0,0,.4);max-width:90vw}
.toast.err{border-color:#5a2b2b;color:var(--red)}
.toast.ok{border-color:#2b5a35}

.msg{font-size:.82rem;text-align:center;margin-top:.8rem;min-height:1em}
.msg.err{color:var(--red)} .msg.ok{color:var(--green)}

/* ---------- signature pad / declarations ---------- */
.sigpad{margin:.6rem 0}
.sig-canvas{width:100%;height:160px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);touch-action:none;display:block}
.sig-row{display:flex;align-items:center;justify-content:space-between;margin-top:.35rem}
.sig-show{margin-top:.5rem}
.sig-show img{height:64px;background:#fff;border:1px solid var(--line);border-radius:6px;padding:2px}
.sig-show .hint{display:block;margin-bottom:.2rem}
.decl{background:var(--bg-2);border:1px solid var(--line);border-radius:var(--radius-sm);padding:.7rem;margin-top:.6rem}
.decl-check{display:flex;align-items:center;gap:.5rem;color:var(--ink);font-weight:600;font-size:.82rem;margin:0}
.decl-check input{width:auto;margin:0}
.decl-text{color:var(--ink-dim);font-size:.78rem;margin:.4rem 0 0;line-height:1.45}

/* ---------- print / PoE ---------- */
.print-area{display:none}
@media screen{ body.printing>*{display:none !important} body.printing #printArea{display:block} }
@media print{
  body *{visibility:hidden}
  #printArea,#printArea *{visibility:visible}
  #printArea{display:block;position:absolute;left:0;top:0;width:100%}
  @page{margin:14mm}
}
#printArea{color:#111;font-size:11px;background:#fff;padding:0 4px}
.poe-head{display:flex;align-items:center;gap:12px;border-bottom:2px solid #8b5cf6;padding-bottom:8px;margin-bottom:10px}
.poe-logo{width:40px;height:40px;border-radius:8px;background:linear-gradient(135deg,#8b5cf6,#6d28d9);color:#fff;font-weight:800;display:grid;place-items:center;font-size:14px}
#printArea h1{font-size:15px;margin:0;color:#111}
#printArea h2{font-size:12px;margin:14px 0 5px;color:#111;border-bottom:1px solid #ccc;padding-bottom:3px}
.poe-sub{color:#555;font-size:9.5px}
.poe-meta{width:100%;border-collapse:collapse;margin-bottom:6px}
.poe-meta th{text-align:left;background:#f1ecfe;color:#333;font-size:9.5px;padding:3px 6px;width:90px;border:1px solid #ddd}
.poe-meta td{padding:3px 6px;border:1px solid #ddd}
.poe-tbl{width:100%;border-collapse:collapse}
.poe-tbl th{background:#f1ecfe;font-size:9px;text-transform:uppercase;letter-spacing:.3px;padding:4px;border:1px solid #ccc;text-align:left}
.poe-tbl td{padding:4px;border:1px solid #ddd;vertical-align:top}
.poe-c{text-align:center}
.poe-sig{height:38px;background:#fff}
.poe-hash{font-family:monospace;font-size:9px;color:#777}
.poe-alt{color:#c0392b;font-weight:700;font-size:9px}
.poe-pending{color:#b8860b;font-style:italic}
.poe-none{color:#bbb}
.poe-decl{border:1px solid #ccc;border-radius:6px;padding:8px}
.poe-decl p{margin:4px 0}
.poe-signrow{display:flex;align-items:center;gap:10px;margin:4px 0}
.poe-wet{display:flex;gap:20px;margin-top:18px}
.poe-wetline{flex:1;border-top:1px solid #333;padding-top:3px;font-size:9.5px;color:#555}
.poe-foot{margin-top:14px;font-size:8.5px;color:#777;border-top:1px solid #eee;padding-top:6px}
.poe-aiba{text-align:center;margin-top:14px}
.poe-aiba img{width:200px;border-radius:8px}