:root{
  --ink:#0f1b2d; --ink2:#43526b; --mute:#7a879c; --line:#e3e8f0; --bg:#f4f6fa; --card:#fff;
  --navy:#0b2340; --navy2:#13335c; --accent:#e8742c; --accent2:#c95f1c;
  --ok:#1f8a5b; --okbg:#e5f5ee; --warn:#a86a00; --warnbg:#fff4dc; --err:#b42318; --errbg:#fdeceb;
  --blue:#1d5fbf; --bluebg:#e8f0fc; --radius:10px;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
a.stat{color:inherit;display:block}a.stat:hover{border-color:#c8d1df}
html,body{margin:0}
body{font-family:Manrope,system-ui,-apple-system,"Segoe UI",sans-serif;font-size:14px;color:var(--ink);background:var(--bg);line-height:1.5}
a{color:var(--blue);text-decoration:none}
svg{width:18px;height:18px;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;flex:none}
h1,h2,h3{margin:0;font-weight:800;letter-spacing:-.01em}
h2{font-size:17px} h3{font-size:15px}

/* shell */
.shell{display:flex;min-height:100vh}
.side{width:240px;background:var(--navy);color:#c6d3e6;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;flex:none}
.brand{display:flex;gap:10px;align-items:center;padding:20px 18px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand img{width:38px;height:38px;object-fit:contain;background:#fff;border-radius:8px;padding:3px}
.brand-mark{width:38px;height:38px;border-radius:8px;background:var(--accent);color:#fff;display:grid;place-items:center;font-weight:800}
.brand strong{color:#fff;display:block;font-size:14px;line-height:1.2}
.brand small{font-size:11px;color:#8ea3c3;text-transform:uppercase;letter-spacing:.08em}
.side nav{padding:12px 10px;flex:1;overflow:auto}
.side nav a{display:flex;gap:11px;align-items:center;padding:9px 12px;border-radius:8px;color:#c6d3e6;font-weight:600;margin-bottom:2px}
.side nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.side nav a.on{background:var(--navy2);color:#fff;box-shadow:inset 3px 0 0 var(--accent)}
.me{display:flex;align-items:center;gap:10px;padding:14px 16px;border-top:1px solid rgba(255,255,255,.08)}
.me strong{color:#fff;display:block;font-size:13px}
.me small{color:#8ea3c3;font-size:12px}
.avatar{width:34px;height:34px;border-radius:50%;background:var(--navy2);color:#fff;display:grid;place-items:center;font-weight:700}
.me .out{margin-left:auto;color:#8ea3c3}
.me .out:hover{color:#fff}
.main{flex:1;min-width:0}
.top{display:flex;align-items:center;gap:12px;padding:18px 28px;background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.top h1{font-size:20px}
.top-actions{margin-left:auto;display:flex;gap:8px;flex-wrap:wrap}
.burger{display:none;background:none;border:0;padding:4px;color:var(--ink)}
.content{padding:24px 28px 60px;max-width:1280px}

/* components */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;margin-bottom:20px}
.card-h{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.card-h .r{margin-left:auto;display:flex;gap:8px}
.grid{display:grid;gap:16px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.split{display:grid;grid-template-columns:minmax(0,1fr) 380px;gap:20px;align-items:start}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px 18px}
.stat small{color:var(--mute);font-weight:600;text-transform:uppercase;font-size:11px;letter-spacing:.06em}
.stat b{display:block;font-size:26px;font-weight:800;margin-top:4px}
.stat span{color:var(--ink2);font-size:12px}

.btn{display:inline-flex;align-items:center;gap:7px;border:1px solid var(--line);background:#fff;color:var(--ink);padding:8px 14px;border-radius:8px;font:inherit;font-weight:700;cursor:pointer;white-space:nowrap}
.btn:hover{border-color:#c8d1df}
.btn.p{background:var(--accent);border-color:var(--accent);color:#fff}
.btn.p:hover{background:var(--accent2)}
.btn.d{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.x{color:var(--err)}
.btn.sm{padding:5px 10px;font-size:12px}
.btn svg{width:16px;height:16px}

label{display:block;font-weight:700;font-size:12px;color:var(--ink2);margin-bottom:5px}
label .opt{font-weight:500;color:var(--mute)}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=date],input[type=tel],input[type=file],select,textarea{
  width:100%;padding:9px 11px;border:1px solid #d3dae6;border-radius:8px;font:inherit;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid #f6c7a7;border-color:var(--accent)}
textarea{min-height:90px;resize:vertical}
.f{margin-bottom:14px}
.hint{color:var(--mute);font-size:12px;margin-top:4px}
.actions{display:flex;gap:8px;justify-content:flex-end;margin-top:6px;flex-wrap:wrap}

table{width:100%;border-collapse:collapse}
.tbl-wrap{overflow-x:auto;background:var(--card);border:1px solid var(--line);border-radius:var(--radius)}
.tbl th{font-size:11px;text-transform:uppercase;letter-spacing:.06em;color:var(--mute);text-align:left;padding:11px 14px;border-bottom:1px solid var(--line);background:#fafbfd;white-space:nowrap}
.tbl td{padding:11px 14px;border-bottom:1px solid var(--line);vertical-align:top}
.tbl tr:last-child td{border-bottom:0}
.tbl tr:hover td{background:#fbfcfe}
.tbl .num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.tbl small{color:var(--mute);display:block}

.badge{display:inline-block;padding:2px 9px;border-radius:20px;font-size:11px;font-weight:800;text-transform:uppercase;letter-spacing:.04em}
.b-draft{background:#eef1f6;color:#56647a}
.b-generated{background:var(--bluebg);color:var(--blue)}
.b-sent{background:var(--warnbg);color:var(--warn)}
.b-paid{background:var(--okbg);color:var(--ok)}
.b-failed{background:var(--errbg);color:var(--err)}
.b-role{background:#eef1f6;color:var(--navy2)}

.flash{padding:11px 14px;border-radius:8px;margin-bottom:16px;font-weight:600}
.f-ok{background:var(--okbg);color:var(--ok)}
.f-err{background:var(--errbg);color:var(--err)}
.f-warn{background:var(--warnbg);color:var(--warn)}

.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px;align-items:center}
.filters input,.filters select{width:auto;min-width:160px}
.tabs{display:flex;gap:4px;overflow-x:auto;white-space:nowrap;border-bottom:1px solid var(--line);margin-bottom:16px}
.tabs a{padding:8px 14px;font-weight:700;color:var(--ink2);border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs a.on{color:var(--ink);border-color:var(--accent)}
.empty{text-align:center;padding:50px 20px;color:var(--mute)}
.empty h2{color:var(--ink);margin-bottom:6px}
.kv{display:grid;grid-template-columns:140px 1fr;gap:6px 12px;font-size:13px}
.kv dt{color:var(--mute);font-weight:600}
.kv dd{margin:0}
.muted{color:var(--mute)}
.pill{display:inline-block;background:#eef1f6;border-radius:6px;padding:1px 7px;font-size:12px;font-weight:600;margin:0 4px 4px 0}

/* wizard */
.steps{display:flex;gap:0;margin-bottom:20px;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.steps div{flex:1;padding:12px 14px;font-weight:700;font-size:13px;color:var(--mute);display:flex;gap:9px;align-items:center;border-right:1px solid var(--line)}
.steps div:last-child{border-right:0}
.steps i{font-style:normal;width:24px;height:24px;border-radius:50%;background:#eef1f6;display:grid;place-items:center;font-size:12px}
.steps .on{color:var(--ink);background:#fff8f3}
.steps .on i{background:var(--accent);color:#fff}
.steps .done i{background:var(--ok);color:#fff}
.step{display:none}
.step.on{display:block}
.types{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.type-opt{position:relative;border:2px solid var(--line);border-radius:var(--radius);padding:18px;cursor:pointer;background:#fff}
.type-opt input{position:absolute;opacity:0}
.type-opt b{display:block;font-size:15px;margin:8px 0 2px}
.type-opt span{color:var(--mute);font-size:13px}
.type-opt svg{width:28px;height:28px;color:var(--accent)}
.type-opt:has(input:checked){border-color:var(--accent);background:#fff8f3}
.spec{background:#fafbfd;border:1px dashed #cdd5e2;border-radius:8px;padding:14px;margin-top:10px}
.totals{background:var(--navy);color:#fff;border-radius:var(--radius);padding:18px}
.totals div{display:flex;justify-content:space-between;padding:4px 0;color:#c6d3e6}
.totals .grand{border-top:1px solid rgba(255,255,255,.15);margin-top:8px;padding-top:10px;color:#fff;font-size:20px;font-weight:800}
.seg{display:inline-flex;border:1px solid var(--line);border-radius:8px;overflow:hidden}
.seg label{margin:0;padding:8px 14px;cursor:pointer;font-size:13px;color:var(--ink2);background:#fff}
.seg input{display:none}
.seg label:has(input:checked){background:var(--navy);color:#fff}

/* invoice document */
.doc-wrap{background:#e9edf3;border-radius:var(--radius);padding:24px;overflow-x:auto}
.doc{background:#fff;max-width:820px;margin:0 auto;box-shadow:0 4px 24px rgba(15,27,45,.12)}

/* login */
.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,var(--navy) 0%,#1a4170 100%);padding:20px}
.login .card{width:100%;max-width:400px;padding:32px;border:0;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.login h1{font-size:22px;margin:14px 0 4px}

.recipients{max-height:260px;overflow:auto;border:1px solid var(--line);border-radius:8px;padding:6px}
.recipients label{display:flex;gap:8px;align-items:center;font-weight:500;color:var(--ink);padding:5px 6px;margin:0;border-radius:6px;cursor:pointer}
.recipients label:hover{background:#f5f7fb}
.recipients small{color:var(--mute);margin-left:auto}

@media (max-width:1000px){
  .split{grid-template-columns:1fr}
  .g4{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:760px){
  .side{position:fixed;left:-260px;z-index:20;transition:left .2s}
  .side.open{left:0}
  .burger{display:block}
  .top{padding:14px 16px}
  .content{padding:16px}
  .g2,.g3,.types{grid-template-columns:1fr}
  .steps span{display:none}
  .filters input,.filters select{min-width:0;flex:1}
}
@media print{
  .side,.top,.no-print{display:none!important}
  .content{padding:0}
  .doc-wrap{background:none;padding:0}
  .doc{box-shadow:none}
}