:root{
  --ink:#1E2A36; --ink-2:#4A5A6A; --ink-3:#7A8896;
  --paper:#F3F5F7; --card:#FFFFFF; --line:#DCE2E8; --line-2:#EBEFF3;
  --brand:#1F5F8B; --brand-ink:#143F5E; --brand-soft:#E6F0F7;
  --amber:#F2A900; --amber-soft:#FFF6DC; --amber-ink:#7A5600;
  --ok:#1F8A5B; --ok-soft:#E3F4EC; --err:#B42318; --err-soft:#FDECEA;
  --st-new:#5B6B7B; --st-printed:#2F6FB3; --st-picked:#7350A6; --st-shipped:#1F8A5B;
  --st-delivered:#2F6B4F; --st-rescheduled:#B26B00; --st-cancelled:#98A2AD;
  --r:8px; --font:"Be Vietnam Pro",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font:15px/1.5 var(--font);font-variant-numeric:tabular-nums}
a{color:var(--brand);text-decoration:none} a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
h1{font-size:22px;line-height:1.25;margin:0 0 4px;font-weight:700;letter-spacing:-.01em}
h2{font-size:17px;margin:0 0 12px;font-weight:600}
h3{font-size:15px;margin:0 0 8px;font-weight:600}
.muted{color:var(--ink-3)} .small{font-size:13px}
button,.btn{font:inherit;font-weight:500;font-size:14px;border:1px solid var(--line);background:var(--card);color:var(--ink);
  padding:7px 14px;border-radius:6px;cursor:pointer;display:inline-flex;align-items:center;gap:6px;white-space:nowrap;line-height:1.3}
button:hover,.btn:hover{border-color:var(--ink-3);text-decoration:none}
.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff} .btn-primary:hover{background:var(--brand-ink)}
.btn-danger{color:var(--err);border-color:#F1C4BF} .btn-ghost{border-color:transparent;background:transparent}
input,select,textarea{font:inherit;font-size:14px;border:1px solid var(--line);border-radius:6px;padding:7px 10px;background:#fff;color:var(--ink);min-width:0}
textarea{width:100%;min-height:64px}
label{font-size:13px;color:var(--ink-2);display:block;margin-bottom:4px}

/* Khung */
.shell{display:grid;grid-template-columns:216px 1fr;min-height:100vh}
.side{background:var(--brand-ink);color:#D6E2EC;padding:18px 12px;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;gap:2px}
.brand{display:flex;align-items:center;gap:10px;padding:2px 8px 18px;color:#fff;font-weight:700;font-size:16px}
.brand svg{flex:none}
.side a{color:#D6E2EC;padding:8px 10px;border-radius:6px;display:flex;justify-content:space-between;align-items:center;font-size:14px}
.side a:hover{background:rgba(255,255,255,.08);text-decoration:none}
.side a.on{background:#fff;color:var(--brand-ink);font-weight:600}
.side .badge{background:var(--amber);color:#3A2A00;border-radius:10px;font-size:12px;padding:0 7px;font-weight:600}
.side .foot{margin-top:auto;font-size:13px;padding:10px;border-top:1px solid rgba(255,255,255,.12)}
.side .foot form{display:inline} .side .foot button{background:none;border:0;color:#D6E2EC;padding:0;font-size:13px;text-decoration:underline}
main{padding:22px 28px 90px;min-width:0}
.page-head{display:flex;justify-content:space-between;align-items:flex-end;gap:16px;flex-wrap:wrap;margin-bottom:16px}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:16px}
.stack>*+*{margin-top:16px}
.grid2{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);gap:16px}

.flash{padding:10px 14px;border-radius:6px;margin-bottom:14px;font-size:14px}
.flash.ok{background:var(--ok-soft);color:#0F5132} .flash.error{background:var(--err-soft);color:var(--err)}
.alert{background:var(--err-soft);color:var(--err);border:1px solid #F1C4BF;padding:10px 14px;border-radius:6px;margin-bottom:14px;font-size:14px}
.alert.warn{background:var(--amber-soft);color:var(--amber-ink);border-color:#F3DB9A}

/* Kế hoạch tải theo ngày giao */
.plan{display:grid;grid-template-columns:auto 1fr;gap:6px 20px;align-items:start}
.plan-day{display:flex;flex-direction:column;gap:6px;min-width:150px}
.plan-day .kg{font-size:28px;font-weight:700;letter-spacing:-.02em;line-height:1.1}
.plan-day .kg small{font-size:14px;font-weight:500;color:var(--ink-3)}
.day-switch{display:flex;gap:6px;flex-wrap:wrap}
.day-switch a{font-size:13px;padding:3px 10px;border:1px solid var(--line);border-radius:14px;color:var(--ink-2)}
.day-switch a.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.truck{display:flex;height:34px;border-radius:4px;overflow:hidden;background:repeating-linear-gradient(90deg,var(--line-2) 0 1px,transparent 1px 10%);border:1px solid var(--line)}
.truck a{display:block;height:100%;border-right:2px solid #fff;position:relative;min-width:3px}
.truck a:hover{filter:brightness(1.1)}
.truck a.wait{background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.45) 0 6px,transparent 6px 12px)}
.legend{display:flex;flex-wrap:wrap;gap:4px 18px;margin-top:10px;font-size:13px}
.legend span i{display:inline-block;width:10px;height:10px;border-radius:2px;margin-right:6px;vertical-align:-1px}
.legend b{font-weight:600}

/* Tab + bộ lọc */
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);overflow-x:auto;margin-bottom:12px;scrollbar-width:thin}
.tabs a{padding:9px 12px;color:var(--ink-2);border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap;font-size:14px}
.tabs a:hover{text-decoration:none;color:var(--ink)}
.tabs a.on{color:var(--brand-ink);border-color:var(--brand);font-weight:600}
.tabs .n{font-size:12px;color:var(--ink-3);margin-left:4px}
.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:end;margin-bottom:12px}
.filters .f{display:flex;flex-direction:column}
.filters input[type=search]{width:220px}
.check{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--ink-2);margin:0}

/* Bảng */
.table-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--r);overflow-x:auto}
table{border-collapse:collapse;width:100%;font-size:14px}
th{text-align:left;font-weight:600;color:var(--ink-2);font-size:13px;padding:9px 10px;border-bottom:1px solid var(--line);background:#FAFBFC;white-space:nowrap}
td{padding:9px 10px;border-bottom:1px solid var(--line-2);vertical-align:top}
tr:last-child td{border-bottom:0}
tbody tr:hover{background:#F8FAFC}
tr.urgent td:first-child{box-shadow:inset 4px 0 0 var(--amber)}
td.num,th.num{text-align:right}
.do-no{font-weight:600;font-size:15px}
.cust{max-width:280px}
.cust .end{display:block;font-size:13px;color:var(--ink-2)}
.note{font-size:13px;color:var(--ink-2);max-width:260px;white-space:pre-line}
.group-row td{background:var(--brand-soft);font-weight:600;color:var(--brand-ink)}

.pill{display:inline-block;font-size:12px;font-weight:600;padding:2px 9px;border-radius:12px;color:#fff;white-space:nowrap}
.pill.new{background:var(--st-new)} .pill.printed{background:var(--st-printed)} .pill.picked{background:var(--st-picked)}
.pill.shipped{background:var(--st-shipped)} .pill.delivered{background:var(--st-delivered)}
.pill.rescheduled{background:var(--st-rescheduled)} .pill.cancelled{background:var(--st-cancelled)}
.tag{display:inline-block;font-size:12px;font-weight:600;padding:1px 7px;border-radius:4px;margin:2px 4px 0 0}
.tag.wait{background:var(--amber-soft);color:var(--amber-ink);border:1px solid #F3DB9A}
.tag.urgent{background:var(--amber);color:#3A2A00}
.tag.review{background:var(--err-soft);color:var(--err)}
.tag.print{background:var(--line-2);color:var(--ink-2)}

/* Thanh thao tác hàng loạt */
.bulk{position:fixed;left:216px;right:0;bottom:0;background:var(--ink);color:#fff;padding:10px 28px;display:none;align-items:center;gap:10px;flex-wrap:wrap;z-index:20}
.bulk.show{display:flex}
.bulk .count{font-weight:600;margin-right:8px}
.bulk button{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.bulk button.btn-primary{background:#fff;color:var(--ink);border-color:#fff}

/* Chi tiết DO */
.kv{display:grid;grid-template-columns:140px 1fr;gap:6px 12px;font-size:14px;margin:0}
.kv dt{color:var(--ink-3)} .kv dd{margin:0}
.flow{display:flex;gap:0;margin:6px 0 4px;flex-wrap:wrap}
.flow span{font-size:13px;padding:5px 12px 5px 16px;background:var(--line-2);color:var(--ink-3);clip-path:polygon(0 0,calc(100% - 8px) 0,100% 50%,calc(100% - 8px) 100%,0 100%,8px 50%);margin-right:-4px}
.flow span:first-child{clip-path:polygon(0 0,calc(100% - 8px) 0,100% 50%,calc(100% - 8px) 100%,0 100%);padding-left:12px}
.flow span.done{background:#D5E5F1;color:var(--brand-ink)} .flow span.cur{background:var(--brand);color:#fff;font-weight:600}
.actions{display:flex;flex-wrap:wrap;gap:8px}
.timeline{list-style:none;padding:0;margin:0;font-size:14px}
.timeline li{padding:8px 0 8px 16px;border-left:2px solid var(--line);position:relative}
.timeline li:before{content:"";position:absolute;left:-5px;top:14px;width:8px;height:8px;border-radius:50%;background:var(--brand)}
.pdf{width:100%;height:78vh;border:1px solid var(--line);border-radius:var(--r);background:#fff}
dialog{border:1px solid var(--line);border-radius:10px;padding:20px;max-width:520px;width:calc(100% - 32px)}
dialog::backdrop{background:rgba(20,30,40,.45)}
.quote{background:var(--paper);border-left:3px solid var(--line);padding:8px 12px;font-size:14px;white-space:pre-line}
.code{font-weight:600;background:var(--paper);padding:2px 6px;border-radius:4px}

/* Đăng nhập */
.login{min-height:100vh;display:grid;place-items:center;padding:16px;background:linear-gradient(180deg,var(--brand-ink) 0 38%,var(--paper) 38%)}
.login .card{width:100%;max-width:380px;padding:28px}
.login .brand{color:var(--ink);padding:0 0 18px}
.field{margin-bottom:12px} .field input{width:100%}

.pager{display:flex;gap:6px;margin-top:12px;flex-wrap:wrap}
.pager a{padding:4px 10px;border:1px solid var(--line);border-radius:4px;background:#fff}
.pager a.on{background:var(--ink);color:#fff;border-color:var(--ink)}
.dot{display:inline-block;width:9px;height:9px;border-radius:50%;margin-right:6px}
.dot.ok{background:var(--ok)} .dot.warn{background:var(--amber)} .dot.fail,.dot.login_required{background:var(--err)} .dot.running{background:var(--st-printed)}

@media (max-width:900px){
  .shell{grid-template-columns:1fr}
  .side{position:sticky;top:0;height:auto;flex-direction:row;overflow-x:auto;padding:8px 10px;gap:4px;z-index:30}
  .brand{padding:4px 8px}
  .brand span{display:none}
  .side .foot{display:none}
  .side a{white-space:nowrap}
  main{padding:16px 16px 100px}
  .grid2{grid-template-columns:1fr}
  .plan{grid-template-columns:1fr}
  .bulk{left:0;padding:10px 16px}
  .filters input[type=search]{width:100%}
  .filters .f{flex:1 1 140px}
  .hide-m{display:none}
  .kv{grid-template-columns:110px 1fr}
}
.m-only{display:none}
@media (max-width:640px){
  .do-table thead{display:none}
  .do-table tbody tr{display:grid;grid-template-columns:30px 1fr auto;grid-template-areas:"sel no st" "sel cust kg" "sel date date";padding:10px 8px;border-bottom:1px solid var(--line-2)}
  .do-table td{border:0;padding:2px 4px}
  .do-table td.hide-m{display:none}
  .do-table .c-sel{grid-area:sel} .do-table .c-no{grid-area:no} .do-table .c-st{grid-area:st;text-align:right}
  .do-table .c-cust{grid-area:cust;max-width:none} .do-table .c-kg{grid-area:kg;font-weight:600}
  .do-table .c-date{grid-area:date;font-size:13px;color:var(--ink-2)}
  .do-table .cust .end.full{display:none}
  .do-table tr.urgent td:first-child{box-shadow:none} .do-table tr.urgent{box-shadow:inset 4px 0 0 var(--amber)}
  .do-table .group-row{display:block} .m-only{display:inline}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;animation:none!important}}
@media print{.side,.bulk,.filters,.tabs{display:none}}