:root{
  --navy:#14263a;--navy2:#0f1e2e;--red:#b23a2c;--gold:#c6a260;
  --cream:#f6f2e8;--paper:#fffdf8;--ink:#172536;--muted:#78837d;
  --line:#e6ddcc;--green:#28735e;--amber:#a66c24;--blue:#3d6d93;
  --shadow:0 10px 28px rgba(20,38,58,.08);
}
*{box-sizing:border-box}
html,body{margin:0;min-height:100%;font-family:"Microsoft YaHei UI","PingFang SC","Noto Sans SC",sans-serif;color:var(--ink);background:var(--cream)}
body{background-image:radial-gradient(900px 420px at 92% -10%,rgba(198,162,96,.16),transparent 62%),radial-gradient(700px 460px at 0 70%,rgba(40,115,94,.05),transparent 65%)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit}
button{cursor:pointer}
.hidden{display:none!important}
.muted{color:var(--muted)}
.error{color:#b23a2c;font-size:12px;min-height:18px;margin-top:8px}
.primary{background:var(--navy);color:#fff;border:0;border-radius:9px;padding:10px 16px;font-weight:700}
.primary:hover{background:#1c3550}
.ghost{background:#fff;border:1px solid var(--line);border-radius:8px;padding:8px 12px;color:#53625c}
.danger{background:#b23a2c;color:#fff;border:0;border-radius:8px;padding:9px 14px}
.small{padding:6px 9px;font-size:12px}
.icon-btn{border:0;background:transparent;font-size:20px;color:#65736d;padding:6px 9px;border-radius:8px}
.icon-btn:hover{background:#f1eadc}

/* login */
.login-wrap{min-height:100vh;display:grid;place-items:center;padding:24px}
.login-card{width:min(390px,100%);background:var(--paper);border:1px solid var(--line);border-radius:18px;padding:30px 28px;box-shadow:var(--shadow)}
.login-card .logo{width:52px;height:52px;border-radius:15px;background:var(--navy);color:#f5e7ce;display:grid;place-items:center;font-size:24px;font-weight:800;margin-bottom:16px;border:1px solid var(--gold)}
.login-card h1{font-size:23px;margin:0 0 5px}
.login-card p{margin:0 0 20px;font-size:12px}
.login-card label{display:block;font-size:12px;color:#5d6b64;margin-bottom:12px}
.login-card input{display:block;width:100%;margin-top:6px;height:42px;border:1px solid var(--line);border-radius:9px;padding:0 12px;background:#fff;outline:none}
.login-card input:focus{border-color:var(--gold);box-shadow:0 0 0 3px rgba(198,162,96,.14)}
.login-card .primary{width:100%;height:44px;margin-top:6px}

/* app shell */
.app{display:flex;min-height:100vh}
.sidebar{width:218px;background:var(--navy);color:#e9e1d2;padding:18px 12px;display:flex;flex-direction:column;position:fixed;inset:0 auto 0 0;z-index:30}
.brand{display:flex;align-items:center;gap:10px;padding:4px 8px 18px;border-bottom:1px solid rgba(255,255,255,.09)}
.brand-mark{width:34px;height:34px;border-radius:9px;background:#f1dfc1;color:var(--navy);display:grid;place-items:center;font-weight:800;font-size:17px}
.brand b{display:block;font-size:13px}
.brand small{display:block;font-size:9px;color:#a9b6bd;margin-top:2px}
#nav{display:flex;flex-direction:column;gap:3px;padding:14px 0;overflow:auto}
#nav a{font-size:12.5px;padding:10px 12px;border-radius:8px;color:#c8d2d7}
#nav a:hover{background:rgba(255,255,255,.07);color:#fff}
#nav a.on{background:#f2e8d5;color:var(--navy);font-weight:700}
.side-foot{margin-top:auto;font-size:9px;color:#83939d;line-height:1.6;padding:12px 8px;border-top:1px solid rgba(255,255,255,.08)}
.main{margin-left:218px;width:calc(100% - 218px);min-width:0}
.topbar{height:58px;background:rgba(255,253,248,.92);border-bottom:1px solid var(--line);display:flex;align-items:center;gap:12px;padding:0 22px;position:sticky;top:0;z-index:20;backdrop-filter:blur(8px)}
.crumb{font-size:13px;font-weight:700;color:#48564f}
.userbox{margin-left:auto;display:flex;align-items:center;gap:8px;font-size:11px;color:var(--muted)}
#menuBtn{display:none}
.view{padding:22px;max-width:1400px;margin:0 auto}

/* common */
.page-head{display:flex;align-items:flex-end;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
.page-head h1{font-size:21px;margin:0}
.page-head p{margin:4px 0 0;font-size:11px;color:var(--muted)}
.actions{display:flex;gap:7px;flex-wrap:wrap;align-items:center}
.card{background:var(--paper);border:1px solid var(--line);border-radius:13px;box-shadow:0 3px 10px rgba(20,38,58,.035)}
.card-pad{padding:16px}
.grid{display:grid;gap:12px}
.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.stat{padding:14px 15px}
.stat small{display:block;font-size:10px;color:var(--muted)}
.stat b{display:block;font-size:22px;margin-top:7px;letter-spacing:-.4px}
.stat.alert b{color:var(--red)}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin-bottom:12px}
.toolbar input,.toolbar select{height:36px;border:1px solid var(--line);border-radius:8px;background:#fff;padding:0 10px;min-width:150px;outline:none}
.toolbar input:focus,.toolbar select:focus{border-color:var(--gold)}
.toolbar .grow{flex:1;min-width:180px}
.table-wrap{overflow:auto;border-radius:11px;border:1px solid var(--line);background:var(--paper)}
table{width:100%;border-collapse:collapse;font-size:11.5px;min-width:650px}
th{background:#f3ecdf;color:#68736c;text-align:left;font-weight:600;padding:9px 10px;white-space:nowrap}
td{border-top:1px solid #efe7d9;padding:9px 10px;vertical-align:middle}
tr:hover td{background:#fbf7ee}
.mono{font-family:Consolas,"Courier New",monospace;font-size:10.5px}
.badge{display:inline-block;font-size:9.5px;padding:3px 7px;border-radius:999px;background:#efe9dc;color:#6f756d;white-space:nowrap}
.badge.green{background:#e2f0ea;color:#28735e}
.badge.amber{background:#f8edda;color:#9a6827}
.badge.red{background:#f8e3dd;color:#a84334}
.badge.blue{background:#e6eef5;color:#3d6d93}
.link{color:#3d6d93;font-weight:600;background:none;border:0;padding:0;font-size:11.5px}
.link:hover{text-decoration:underline}
.row-actions{display:flex;gap:8px;white-space:nowrap}
.empty{padding:34px 18px;text-align:center;color:var(--muted);font-size:12px}
.notice{padding:10px 12px;border-radius:9px;background:#f7efdf;border:1px solid #e6d6b9;font-size:11px;color:#7b6746;margin-bottom:12px}
.section-title{font-size:12px;font-weight:700;margin:16px 0 8px}
.meta{font-size:10px;color:var(--muted);line-height:1.6}
.kv{display:grid;grid-template-columns:100px 1fr;gap:7px 12px;font-size:11.5px}
.kv dt{color:var(--muted)}
.kv dd{margin:0;font-weight:600}

/* forms */
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px 12px}
.form-grid .full,.form-grid .section-title{grid-column:1/-1}
.field label{display:block;font-size:10px;color:#69756e;margin-bottom:4px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line);border-radius:8px;background:#fff;padding:8px 9px;outline:none;font-size:12px}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--gold);box-shadow:0 0 0 2px rgba(198,162,96,.12)}
.field textarea{min-height:66px;resize:vertical}
.field .hint{font-size:9px;color:#9a9d94;margin-top:3px}

/* modal */
.modal{position:fixed;inset:0;z-index:100;display:grid;place-items:center;padding:18px}
.modal-mask{position:absolute;inset:0;background:rgba(15,30,46,.45);backdrop-filter:blur(2px)}
.modal-card{position:relative;width:min(760px,100%);max-height:90vh;background:var(--paper);border-radius:15px;box-shadow:0 25px 70px rgba(15,30,46,.28);display:flex;flex-direction:column;overflow:hidden}
.modal-head{display:flex;align-items:center;justify-content:space-between;padding:14px 18px;border-bottom:1px solid var(--line)}
.modal-head h2{font-size:15px;margin:0}
.modal-body{padding:16px 18px;overflow:auto}
.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:11px 18px;border-top:1px solid var(--line);background:#fcf8ef}
.modal-foot button{border-radius:8px;padding:9px 16px;font-size:12px}

/* receipt lines */
.lines{width:100%;border-collapse:collapse;font-size:11px;min-width:760px}
.lines th{background:#f3ecdf}
.lines td{padding:5px 5px}
.lines input,.lines select{width:100%;border:1px solid var(--line);border-radius:6px;padding:6px 6px;background:#fff;font-size:11px;min-width:58px}
.lines .name{min-width:170px}
.lines .batch{min-width:110px}
.lines .date{min-width:120px}
.lines .num{min-width:75px}
.lines .del{background:#fbeeea;border:0;color:#a84334;border-radius:6px;padding:5px 8px}
.line-add{margin-top:8px}
.receipt-head{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}

/* toast */
.toast{position:fixed;right:20px;bottom:22px;z-index:200;background:var(--navy);color:#fff;font-size:12px;padding:11px 15px;border-radius:9px;box-shadow:0 12px 30px rgba(20,38,58,.25);max-width:360px}
.toast.err{background:#9f3428}

@media(max-width:980px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .grid-3{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:760px){
  #menuBtn{display:block}
  .sidebar{transform:translateX(-100%);transition:transform .2s}
  .sidebar.open{transform:none}
  .main{margin-left:0;width:100%}
  .view{padding:14px}
  .topbar{padding:0 12px}
  .grid-4,.grid-3,.grid-2,.form-grid,.receipt-head{grid-template-columns:1fr}
  .stat b{font-size:19px}
  .userbox #who{display:none}
  .page-head{align-items:flex-start}
}