:root{
  --ink:#111823; --ink-2:#42505f; --ink-3:#74828f;
  --sidebar:#101826; --sidebar-2:#1a2534; --sidebar-line:#243044;
  --primary:#1f5f8b; --primary-600:#184c70; --primary-50:#e8f1f7;
  --copper:#b4632a; --copper-50:#fbf1e8;
  --green:#2f7a4f; --green-50:#eaf5ee;
  --red:#b3261e; --red-50:#fbecea;
  --bg:#f3f5f7; --surface:#fff; --line:#dde3e9; --line-2:#eef1f4;
  --r:6px; --shadow:0 1px 2px rgba(16,24,38,.06),0 6px 20px rgba(16,24,38,.07);
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{
  font-family:Inter,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:13.5px; color:var(--ink); background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,.brand-name{font-family:'Space Grotesk',Inter,sans-serif;letter-spacing:-.015em}
.hidden{display:none !important}
.mono{font-family:'IBM Plex Mono',monospace;font-variant-numeric:tabular-nums}
.num{font-variant-numeric:tabular-nums;text-align:right}

/* ---------- brand ---------- */
.brand-mark,.side-brand{display:flex;align-items:center;gap:10px}
.brand-c{
  width:34px;height:34px;border-radius:8px;flex:none;
  background:linear-gradient(150deg,var(--primary),#123f5e);
  color:#fff;font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:18px;
  display:grid;place-items:center;
}
.brand-name{font-weight:700;font-size:15px;line-height:1.1}
.brand-app{font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--copper);font-weight:600}

/* ---------- login ---------- */
.login-wrap{min-height:100%;display:grid;place-items:center;padding:24px;
  background:radial-gradient(1100px 520px at 50% -10%,#1a2a3d 0%,#101826 55%,#0b1018 100%)}
.login-card{width:100%;max-width:390px;background:var(--surface);border-radius:12px;
  padding:30px 28px 22px;box-shadow:0 24px 60px rgba(0,0,0,.35)}
.login-card .brand-app{color:var(--copper)}
.login-lead{margin:18px 0 22px;color:var(--ink-2);font-size:13px;line-height:1.55}
.login-foot{margin-top:18px;padding-top:14px;border-top:1px solid var(--line-2);
  font-size:11px;color:var(--ink-3);text-align:center;letter-spacing:.04em}

/* ---------- forms ---------- */
.fld{display:block;margin-bottom:14px}
.fld>span{display:block;font-size:11.5px;font-weight:600;color:var(--ink-2);
  margin-bottom:5px;letter-spacing:.02em}
input,select,textarea{
  width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:var(--r);
  font:inherit;font-size:13px;color:var(--ink);background:#fff;
}
textarea{min-height:70px;resize:vertical}
input:focus,select:focus,textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 3px var(--primary-50)}
input[readonly]{background:var(--line-2);color:var(--ink-2)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 16px}
.form-grid .full{grid-column:1/-1}
.form-msg{margin-top:12px;font-size:12.5px;min-height:18px}
.form-msg.err{color:var(--red)} .form-msg.ok{color:var(--green)}
fieldset{border:0;border-top:1px solid var(--line-2);margin:6px 0 14px;padding:14px 0 0}
legend{font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 13px;border:1px solid var(--line);
  background:#fff;color:var(--ink);border-radius:var(--r);font:inherit;font-size:12.5px;
  font-weight:600;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--line-2)}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-600)}
.btn-danger{background:var(--red);border-color:var(--red);color:#fff}
.btn-ghost{background:transparent;border-color:transparent;color:var(--primary)}
.btn-block{width:100%;justify-content:center;padding:10px}
.btn:disabled{opacity:.5;cursor:not-allowed}
.btn-sm{padding:4px 9px;font-size:11.5px}
.btn-icon{background:none;border:0;color:inherit;font-size:17px;cursor:pointer;
  opacity:.65;padding:4px 6px;line-height:1}
.btn-icon:hover{opacity:1}

/* ---------- app frame ---------- */
.app{display:grid;grid-template-columns:236px 1fr;height:100%}
.sidebar{background:var(--sidebar);color:#c7d2df;display:flex;flex-direction:column;
  border-right:1px solid var(--sidebar-line)}
.side-brand{padding:17px 18px;border-bottom:1px solid var(--sidebar-line)}
.side-brand .brand-name{color:#fff}
.nav{flex:1;overflow-y:auto;padding:10px 8px}
.nav-group{font-size:10px;letter-spacing:.15em;text-transform:uppercase;color:#67788c;
  padding:14px 10px 6px;font-weight:700}
.nav a{display:flex;align-items:center;gap:9px;padding:7.5px 10px;border-radius:var(--r);
  color:#c7d2df;text-decoration:none;font-size:13px;font-weight:500;margin-bottom:1px}
.nav a:hover{background:var(--sidebar-2);color:#fff}
.nav a.active{background:var(--primary);color:#fff;font-weight:600}
.nav .dot{width:5px;height:5px;border-radius:50%;background:currentColor;opacity:.45;flex:none}
.nav a.active .dot{opacity:1;background:var(--copper)}
.side-foot{border-top:1px solid var(--sidebar-line);padding:11px 14px;display:flex;
  align-items:center;justify-content:space-between;gap:8px}
.who-name{font-size:12.5px;font-weight:600;color:#fff}
.who-role{font-size:10.5px;color:#8b9bad;text-transform:capitalize}
.main{display:flex;flex-direction:column;min-width:0;overflow:hidden}
.topbar{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;
  padding:15px 22px 13px;background:var(--surface);border-bottom:1px solid var(--line)}
.crumb{font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;color:var(--copper);
  font-weight:700;margin-bottom:3px}
.page-title{margin:0;font-size:19px;font-weight:600}
.page-actions{display:flex;gap:8px}
.view{flex:1;overflow-y:auto;padding:20px 22px 40px}

/* ---------- cards / tables ---------- */
.card{background:var(--surface);border:1px solid var(--line);border-radius:8px;
  box-shadow:var(--shadow);margin-bottom:18px;overflow:hidden}
.card-head{padding:12px 16px;border-bottom:1px solid var(--line-2);display:flex;
  align-items:center;justify-content:space-between;gap:12px}
.card-title{font-size:13.5px;font-weight:600;margin:0}
.card-body{padding:16px}
.filters{display:flex;gap:8px;flex-wrap:wrap;padding:12px 16px;border-bottom:1px solid var(--line-2);
  background:#fafbfc}
.filters input,.filters select{width:auto;min-width:150px;font-size:12.5px;padding:6px 9px}
.tbl-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;font-size:12.5px}
th{text-align:left;padding:9px 14px;background:#fafbfc;border-bottom:1px solid var(--line);
  font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;color:var(--ink-3);font-weight:700;
  white-space:nowrap}
td{padding:9px 14px;border-bottom:1px solid var(--line-2);vertical-align:middle}
tbody tr:hover{background:#f8fafb;cursor:default}
tbody tr.clickable{cursor:pointer}
.pager{display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:10px 16px;font-size:12px;color:var(--ink-2)}
.empty{padding:44px 20px;text-align:center;color:var(--ink-3)}
.empty strong{display:block;color:var(--ink-2);font-size:14px;margin-bottom:5px;font-weight:600}

/* ---------- pills ---------- */
.pill{display:inline-block;padding:2px 8px;border-radius:20px;font-size:11px;font-weight:600;
  white-space:nowrap;border:1px solid transparent}
.pill-grey{background:#eef1f4;color:var(--ink-2)}
.pill-blue{background:var(--primary-50);color:var(--primary-600)}
.pill-amber{background:var(--copper-50);color:var(--copper)}
.pill-green{background:var(--green-50);color:var(--green)}
.pill-red{background:var(--red-50);color:var(--red)}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(178px,1fr));gap:14px;margin-bottom:18px}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:14px 16px;
  box-shadow:var(--shadow);border-left:3px solid var(--primary)}
.stat.alt{border-left-color:var(--copper)}
.stat.pos{border-left-color:var(--green)}
.stat-label{font-size:10.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--ink-3);font-weight:700}
.stat-value{font-family:'IBM Plex Mono',monospace;font-size:24px;font-weight:500;margin-top:6px;
  font-variant-numeric:tabular-nums}
.stat-sub{font-size:11.5px;color:var(--ink-3);margin-top:2px}

/* ---------- signature: conversion chain ---------- */
.chain{display:flex;align-items:center;gap:0;flex-wrap:wrap;padding:14px 16px;background:#fafbfc;
  border-bottom:1px solid var(--line-2)}
.chain-step{display:flex;align-items:center;gap:9px;padding:7px 14px;border:1px solid var(--line);
  background:#fff;border-radius:var(--r);min-width:132px}
.chain-step.done{border-color:var(--primary);background:var(--primary-50)}
.chain-step.current{border-color:var(--copper);background:var(--copper-50);
  box-shadow:0 0 0 3px rgba(180,99,42,.11)}
.chain-step.todo{opacity:.5;border-style:dashed}
.chain-label{font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-3);font-weight:700}
.chain-no{font-family:'IBM Plex Mono',monospace;font-size:12.5px;font-weight:500;margin-top:1px}
.chain-arrow{color:var(--ink-3);padding:0 9px;font-size:15px;user-select:none}

/* ---------- matrix ---------- */
.matrix td,.matrix th{padding:6px 9px;text-align:center;font-size:11.5px}
.matrix td:first-child,.matrix th:first-child{text-align:left;white-space:nowrap;font-weight:600}
.matrix input[type=checkbox]{width:auto;margin:0;cursor:pointer;accent-color:var(--primary)}

/* ---------- modal ---------- */
.modal-back{position:fixed;inset:0;background:rgba(16,24,38,.55);display:grid;place-items:center;
  padding:22px;z-index:60}
.modal{background:var(--surface);border-radius:10px;width:100%;max-width:720px;max-height:90vh;
  display:flex;flex-direction:column;box-shadow:0 30px 70px rgba(0,0,0,.32)}
.modal.wide{max-width:1000px}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:15px 20px;
  border-bottom:1px solid var(--line)}
.modal-head h2{margin:0;font-size:15.5px;font-weight:600}
.modal-body{padding:18px 20px;overflow-y:auto}
.modal-foot{padding:13px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:8px}

/* ---------- detail ---------- */
.kv{display:grid;grid-template-columns:repeat(auto-fit,minmax(215px,1fr));gap:13px 22px}
.kv div>span{display:block;font-size:10.5px;letter-spacing:.07em;text-transform:uppercase;
  color:var(--ink-3);font-weight:700;margin-bottom:2px}
.kv div>strong{font-weight:500;font-size:13px}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);padding:0 16px;background:#fafbfc;
  overflow-x:auto}
.tabs button{background:none;border:0;border-bottom:2px solid transparent;padding:10px 13px;
  font:inherit;font-size:12.5px;font-weight:600;color:var(--ink-3);cursor:pointer;white-space:nowrap}
.tabs button.active{color:var(--primary);border-bottom-color:var(--primary)}

/* ---------- toasts ---------- */
.toasts{position:fixed;right:18px;bottom:18px;display:flex;flex-direction:column;gap:8px;z-index:80}
.toast{background:var(--sidebar);color:#fff;padding:11px 15px;border-radius:var(--r);
  font-size:12.5px;box-shadow:var(--shadow);max-width:340px;
  border-left:3px solid var(--primary);animation:slide .22s ease}
.toast.err{border-left-color:var(--red)} .toast.ok{border-left-color:var(--green)}
@keyframes slide{from{opacity:0;transform:translateX(14px)}to{opacity:1;transform:none}}

.spinner{display:inline-block;width:15px;height:15px;border:2px solid var(--line);
  border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}
.loading{padding:38px;text-align:center;color:var(--ink-3)}

@media (max-width:860px){
  .app{grid-template-columns:1fr}
  .sidebar{position:fixed;inset:0 auto 0 0;width:236px;z-index:50;transform:translateX(-100%);
    transition:transform .2s}
  .sidebar.open{transform:none}
  .form-grid{grid-template-columns:1fr}
  .view{padding:14px}
}
@media (prefers-reduced-motion:reduce){*{animation:none !important;transition:none !important}}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}