:root{
  --bg:#f4f6fb;--surface:#fff;--surface2:#f8f9fc;--text:#1c2333;--muted:#6b7385;--line:#e3e7f0;
  --brand:#2f5bea;--brand-d:#2347c0;--brand-soft:#e8eeff;
  --ok:#12a150;--ok-soft:#e1f6ea;--warn:#d98a00;--warn-soft:#fff3d6;--bad:#d6393b;--bad-soft:#fde5e5;--info:#0e8aa8;--info-soft:#dff4f9;
  --shadow:0 1px 2px rgba(20,30,60,.06),0 4px 14px rgba(20,30,60,.05);--r:12px;
}
:root[data-theme=dark]{
  --bg:#0f1420;--surface:#171e2e;--surface2:#1c2436;--text:#e6eaf4;--muted:#8d97ae;--line:#2a3349;
  --brand:#6b8cff;--brand-d:#8aa4ff;--brand-soft:#212c52;
  --ok:#3ccf7d;--ok-soft:#173826;--warn:#f0b13b;--warn-soft:#3b2f12;--bad:#ff7173;--bad-soft:#411b1c;--info:#52c4de;--info-soft:#12343d;
}
*{box-sizing:border-box}
html,body{margin:0;height:100%}
body{font:14px/1.45 "Segoe UI",system-ui,sans-serif;background:var(--bg);color:var(--text)}
a{color:var(--brand);text-decoration:none}
h1,h2,h3{margin:0}
button,input,select,textarea{font:inherit;color:inherit}

/* shell */
.shell{display:flex;min-height:100vh}
.side{width:248px;background:var(--surface);border-right:1px solid var(--line);position:fixed;inset:0 auto 0 0;overflow:auto;z-index:20;transition:transform .2s}
.brand{display:flex;gap:10px;align-items:center;padding:18px 18px 14px;font-weight:700;font-size:17px}
.brand i{width:32px;height:32px;border-radius:9px;background:linear-gradient(135deg,var(--brand),#7b5bff);display:grid;place-items:center;color:#fff;font-style:normal;font-size:15px}
.brand small{display:block;font-weight:500;font-size:11px;color:var(--muted)}
.nav{padding:4px 10px 20px}
.nav a,.nav summary{display:flex;align-items:center;gap:8px;padding:8px 12px;border-radius:8px;color:var(--text);cursor:pointer;list-style:none}
.nav summary::-webkit-details-marker{display:none}
.nav summary{font-weight:600;color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.05em;margin-top:8px}
.nav summary:after{content:"▾";margin-left:auto;font-size:10px}
.nav details:not([open]) summary:after{content:"▸"}
.nav a:hover{background:var(--surface2)}
.nav a.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav details a{padding-left:22px}
.main{margin-left:248px;flex:1;min-width:0}
.top{height:58px;background:var(--surface);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;padding:0 22px;position:sticky;top:0;z-index:10}
.top .crumb{color:var(--muted)}
.top .crumb b{color:var(--text)}
.top .sp{flex:1}
.avatar{width:32px;height:32px;border-radius:50%;background:var(--brand-soft);color:var(--brand);display:grid;place-items:center;font-weight:700}
.burger{display:none}
.content{padding:22px}
.page-h{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.page-h h1{font-size:20px}
.page-h .sp{flex:1}

/* ui */
.btn{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:7px 13px;cursor:pointer;display:inline-flex;gap:6px;align-items:center}
.btn:hover{background:var(--surface2)}
.btn.pri{background:var(--brand);border-color:var(--brand);color:#fff}
.btn.pri:hover{background:var(--brand-d)}
.btn.ok{background:var(--ok);border-color:var(--ok);color:#fff}
.btn.bad{background:var(--bad);border-color:var(--bad);color:#fff}
.btn.warn{background:var(--warn);border-color:var(--warn);color:#fff}
.btn.sm{padding:3px 9px;font-size:12px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);box-shadow:var(--shadow)}
.card-b{padding:16px}
.chip{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600;background:var(--surface2);color:var(--muted)}
.chip.open{background:var(--info-soft);color:var(--info)}
.chip.pending{background:var(--warn-soft);color:var(--warn)}
.chip.approved,.chip.closed{background:var(--ok-soft);color:var(--ok)}
.chip.returned{background:var(--brand-soft);color:var(--brand)}
.chip.rejected{background:var(--bad-soft);color:var(--bad)}
.grid{display:grid;gap:14px}
.g-cards{grid-template-columns:repeat(auto-fill,minmax(250px,1fr))}
.g-2{grid-template-columns:1fr 1fr}
@media(max-width:900px){.g-2{grid-template-columns:1fr}}

/* tabs / filters */
.tabs{display:flex;gap:4px;margin-bottom:12px;flex-wrap:wrap}
.tabs a{padding:6px 14px;border-radius:99px;color:var(--muted);border:1px solid transparent}
.tabs a.on{background:var(--brand-soft);color:var(--brand);font-weight:600}
.tabs a em{font-style:normal;margin-left:6px;font-size:12px;opacity:.8}
.filters{display:flex;gap:8px;flex-wrap:wrap;padding:12px 16px;border-bottom:1px solid var(--line)}
.filters input,.filters select,.f input,.f select,.f textarea{border:1px solid var(--line);background:var(--surface);border-radius:8px;padding:7px 10px;min-width:130px}
.filters input:focus,.f input:focus,.f select:focus,.f textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
.tw{overflow:auto}
table{border-collapse:collapse;width:100%}
th,td{padding:9px 12px;text-align:left;white-space:nowrap;border-bottom:1px solid var(--line)}
th{font-size:12px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);background:var(--surface2);position:sticky;top:0}
tbody tr:hover{background:var(--surface2)}
td.act{display:flex;gap:4px}
.pager{display:flex;align-items:center;gap:8px;padding:10px 16px;color:var(--muted)}
.pager .sp{flex:1}
.empty{padding:40px;text-align:center;color:var(--muted)}

/* form */
.fgrid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px}
.f label{display:block;font-size:12px;color:var(--muted);margin-bottom:3px;font-weight:600}
.f input,.f select,.f textarea{width:100%}
.f.wide{grid-column:1/-1}
.sec{font-weight:700;margin:16px 0 8px;font-size:13px;color:var(--brand)}
.kv{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:10px 14px}
.kv div small{display:block;color:var(--muted);font-size:11px;text-transform:uppercase;letter-spacing:.04em}

/* modal */
.ov{position:fixed;inset:0;background:rgba(10,15,30,.5);display:grid;place-items:center;z-index:50;padding:16px}
.modal{background:var(--surface);border-radius:14px;width:min(860px,100%);max-height:92vh;display:flex;flex-direction:column;box-shadow:0 20px 60px rgba(0,0,0,.3)}
.modal header{display:flex;align-items:center;padding:14px 18px;border-bottom:1px solid var(--line);gap:10px}
.modal header h2{font-size:16px;flex:1}
.modal .mb{padding:16px 18px;overflow:auto}
.modal footer{display:flex;gap:8px;justify-content:flex-end;padding:12px 18px;border-top:1px solid var(--line);flex-wrap:wrap}
.x{border:0;background:none;font-size:22px;cursor:pointer;color:var(--muted)}
#toast-root{position:fixed;right:16px;bottom:16px;display:grid;gap:8px;z-index:99}
.toast{background:var(--text);color:var(--bg);padding:10px 16px;border-radius:10px;box-shadow:var(--shadow)}

/* dashboard */
.hero{background:linear-gradient(120deg,#2f5bea,#7b5bff);color:#fff;border-radius:var(--r);padding:22px 24px;margin-bottom:16px}
.hero p{margin:6px 0 0;opacity:.9;max-width:760px}
.stat h3{font-size:14px;display:flex;justify-content:space-between;align-items:baseline}
.stat .big{font-size:30px;font-weight:700;margin:6px 0 8px}
.stat .row{display:flex;gap:6px;flex-wrap:wrap}
.stat .row a{flex:1;min-width:70px;text-align:center;border-radius:8px;padding:6px;background:var(--surface2);color:var(--text)}
.stat .row a b{display:block;font-size:16px}
.stat .row a small{color:var(--muted)}
.bar{display:flex;align-items:center;gap:10px;margin:7px 0}
.bar span:first-child{width:110px;color:var(--muted)}
.bar i{display:block;height:14px;border-radius:7px;background:linear-gradient(90deg,var(--brand),#7b5bff);min-width:3px}
.bar b{min-width:28px}
.steps{display:flex;gap:3px}
.steps i{width:16px;height:8px;border-radius:3px;background:var(--line)}
.steps i.done{background:var(--ok)}
.steps i.cur{background:var(--warn)}
ul.act{list-style:none;margin:0;padding:0}
ul.act li{padding:8px 0;border-bottom:1px solid var(--line);display:flex;gap:8px;align-items:baseline}
ul.act small{color:var(--muted);margin-left:auto;white-space:nowrap}

/* maps */
.map{height:min(60vh,520px);min-height:320px;border-radius:0 0 var(--r) var(--r);z-index:0}
.leaflet-container{font:inherit}

/* login */
.login{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#1a2a6c,#2f5bea 55%,#7b5bff);padding:16px}
.login .card{width:min(380px,100%);padding:28px}
.login h1{font-size:22px;margin-bottom:4px}
.login .f{margin-top:14px}
.login .btn{width:100%;justify-content:center;margin-top:18px;padding:10px}
.hint{font-size:12px;color:var(--muted);margin-top:14px}

@media(max-width:900px){
  .side{transform:translateX(-100%)}
  .side.open{transform:none}
  .main{margin-left:0}
  .burger{display:inline-flex}
  .content{padding:14px}
}