/* UPN3XT Billing — стили админки. Токены и раскладка описаны в DESIGN.md. */
:root{
  --bg:#F4F6F5; --surface:#fff; --ink:#10161C; --ink-2:#55625E; --ink-3:#8A9691;
  --line:#E3E8E5; --nav:#0D1411; --nav-ink:#A8B5AE;
  --brand:#17A34A; --brand-deep:#0B7A34; --danger:#C2382F; --warn:#B4762A; --info:#2C6FB5;
  --radius:10px;
}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);
  font:14px/1.45 -apple-system,Segoe UI,Inter,Roboto,system-ui,sans-serif;-webkit-font-smoothing:antialiased}
a{color:var(--brand-deep)}
.num{font-variant-numeric:tabular-nums}
.mono{font-family:ui-monospace,SFMono-Regular,Consolas,monospace}
.muted{color:var(--ink-3)}
.r{text-align:right}

.app{display:flex;min-height:100vh}
.nav{width:220px;flex:0 0 220px;background:var(--nav);color:var(--nav-ink);display:flex;flex-direction:column;padding:18px 0}
.nav .logo{padding:0 18px 20px;display:flex;align-items:center;gap:9px;text-decoration:none}
.mark{width:26px;height:26px;border-radius:7px;background:linear-gradient(135deg,#25D366,#0B7A34);
  display:grid;place-items:center;color:#04140A;font-weight:800;font-size:13px;font-style:italic}
.nav .logo b{color:#fff;font-size:15px;letter-spacing:.2px}
.nav .logo span{display:block;color:#5F6F67;font-size:11px;letter-spacing:.08em;text-transform:uppercase}
.nav a.item{display:flex;align-items:center;gap:10px;padding:9px 18px;color:var(--nav-ink);
  text-decoration:none;font-size:13.5px;border-left:2px solid transparent}
.nav a.item:hover{color:#fff;background:rgba(255,255,255,.04)}
.nav a.item.on{color:#fff;background:rgba(23,163,74,.14);border-left-color:var(--brand)}
.nav .sep{margin:14px 18px 8px;font-size:10.5px;letter-spacing:.1em;color:#4B5A52;text-transform:uppercase}
.nav .foot{margin-top:auto;padding:14px 18px 0;border-top:1px solid rgba(255,255,255,.07);font-size:11.5px;color:#4B5A52}
.nav .foot form{margin-top:8px}
.nav .foot button{background:none;border:0;color:#6B7A72;cursor:pointer;padding:0;font:inherit}

.main{flex:1;min-width:0}
.top{height:56px;background:var(--surface);border-bottom:1px solid var(--line);
  display:flex;align-items:center;gap:10px;padding:0 28px;position:sticky;top:0;z-index:5}
.top h1{font-size:16px;margin:0;font-weight:650}
.top .grow{flex:1}
.wrap{max-width:1180px;padding:24px 28px 60px}

.btn{display:inline-block;border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 14px;
  border-radius:8px;font-size:13.5px;cursor:pointer;font-weight:550;text-decoration:none;line-height:1.3}
.btn:hover{border-color:#c9d2cd}
.btn.pri{background:linear-gradient(180deg,var(--brand),var(--brand-deep));border-color:var(--brand-deep);color:#fff}
.btn.dgr{color:var(--danger);border-color:#f0cfcc}
.btn.sm{padding:5px 10px;font-size:12.5px}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.card h3{margin:0;padding:14px 16px;font-size:13px;font-weight:650;border-bottom:1px solid var(--line)}
.card .pad{padding:14px 16px}

.pill{display:inline-flex;align-items:center;padding:2px 9px;border-radius:999px;font-size:11.5px;font-weight:650}
.pill.draft{color:#6C7A74;background:#6C7A741f}
.pill.sent{color:var(--info);background:#2C6FB51f}
.pill.viewed{color:var(--info);background:#fff;box-shadow:inset 0 0 0 1px #2C6FB55c}
.pill.partial{color:var(--warn);background:#B4762A1f}
.pill.paid{color:var(--brand-deep);background:#17A34A1f}
.pill.overdue{color:var(--danger);background:#C2382F1f}
.pill.void{color:#8A9691;background:#8A96911f;text-decoration:line-through}

table{width:100%;border-collapse:collapse}
th{font-size:11px;letter-spacing:.06em;text-transform:uppercase;color:var(--ink-3);text-align:left;
  font-weight:650;padding:9px 16px;border-bottom:1px solid var(--line)}
td{padding:0 16px;height:44px;border-bottom:1px solid var(--line);font-size:13.5px}
tbody tr:last-child td{border-bottom:0}
tr.clickable:hover{background:#FAFCFB;cursor:pointer}
td a{text-decoration:none;color:inherit}

.tiles{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:18px}
.tile{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px}
.tile .k{font-size:11.5px;color:var(--ink-3);letter-spacing:.04em;text-transform:uppercase}
.tile .v{font-size:26px;font-weight:700;margin-top:6px;letter-spacing:-.02em}
.tile .s{font-size:12px;color:var(--ink-2);margin-top:3px}
.tile.alert .v{color:var(--danger)}
.cols{display:grid;grid-template-columns:1.6fr 1fr;gap:18px}

.tabs{display:flex;gap:4px;margin-bottom:14px;flex-wrap:wrap;align-items:center}
.tab{padding:6px 12px;border-radius:8px;font-size:13px;color:var(--ink-2);text-decoration:none}
.tab.on{background:var(--ink);color:#fff}
.tab b{opacity:.55;margin-left:5px;font-weight:600}
.search{flex:1;max-width:260px;padding:7px 11px;border:1px solid var(--line);border-radius:8px;font-size:13.5px}

.field{margin-bottom:12px}
.field label{display:block;font-size:11.5px;color:var(--ink-3);text-transform:uppercase;
  letter-spacing:.05em;margin-bottom:5px;font-weight:650}
.field input,.field select,.field textarea{width:100%;padding:8px 10px;border:1px solid var(--line);
  border-radius:8px;font:inherit;background:#fff}
.field input:focus,.field textarea:focus,.field select:focus{outline:2px solid #17A34A33;border-color:var(--brand)}
.field .hint{font-size:11.5px;color:var(--ink-3);margin-top:4px}
.check{display:flex;align-items:center;gap:8px;font-size:13px;margin-bottom:10px}
.check input{width:auto}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}

.edit{display:grid;grid-template-columns:1fr 300px;gap:18px;align-items:start}
.lines th{padding:8px 10px}
.lines td{padding:6px 10px;height:auto;vertical-align:top}
.lines input{width:100%;padding:7px 9px;border:1px solid var(--line);border-radius:7px;font:inherit}
.lines .det{margin-top:6px;font-style:italic;font-size:12.5px}
.handle{color:var(--ink-3);cursor:grab;user-select:none}
.totbox{position:sticky;top:72px}
.totrow{display:flex;justify-content:space-between;padding:7px 0;font-size:13.5px;color:var(--ink-2)}
.totrow b{color:var(--ink);font-weight:600}
.totrow.big{border-top:1px solid var(--line);margin-top:6px;padding-top:12px;font-size:15px}
.totrow.big b{font-size:22px;font-weight:750}

.docwrap{display:grid;grid-template-columns:1fr 280px;gap:18px;align-items:start}
.side .box{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin-bottom:14px}
.side .btn{width:100%;margin-bottom:9px;text-align:center}
.kv{display:flex;justify-content:space-between;font-size:13px;padding:5px 0;gap:10px}
.kv span{color:var(--ink-3)}
.act{font-size:12.5px;color:var(--ink-2);display:flex;gap:9px;padding:7px 0;border-bottom:1px solid var(--line)}
.act:last-child{border:0}
.act .dot{width:6px;height:6px;border-radius:50%;background:var(--brand);margin-top:6px;flex:0 0 6px}
.act time{color:var(--ink-3);margin-left:auto;white-space:nowrap}

.alert{padding:10px 14px;border-radius:8px;margin-bottom:16px;font-size:13.5px}
.alert.err{background:#C2382F14;color:#8E2A23;border:1px solid #C2382F33}
.alert.ok{background:#17A34A14;color:var(--brand-deep);border:1px solid #17A34A33}
.empty{padding:34px 16px;text-align:center;color:var(--ink-3);font-size:13.5px}

.login{min-height:100vh;display:grid;place-items:center;background:var(--nav)}
.login .box{background:#fff;padding:28px;border-radius:14px;width:320px}
.login h1{margin:0 0 4px;font-size:18px}
.login p{margin:0 0 18px;color:var(--ink-3);font-size:12.5px}

.paper-frame{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.paper-frame iframe{width:100%;border:0;display:block;min-height:940px}

@media(max-width:900px){
  .app{flex-direction:column}.nav{width:100%;flex:none;flex-direction:row;flex-wrap:wrap;padding:10px}
  .nav .logo,.nav .sep,.nav .foot{display:none}
  .tiles{grid-template-columns:1fr 1fr}.cols,.edit,.docwrap{grid-template-columns:1fr}
}