:root{
  --bg:#f4f6f9; --card:#fff; --text:#1d2433; --muted:#6b7385; --line:#e2e6ee;
  --primary:#0f6fde; --primary-ink:#fff; --soft:#eef4fd;
  --good:#1a7f45; --good-bg:#e6f4ec; --warn:#9a5b00; --warn-bg:#fff4e0; --bad:#c0352b; --bad-bg:#fbe9e7; --info:#2a5d9f; --info-bg:#eaf1fb;
  --violet:#5b47b5; --violet-bg:#f0ecfa; --grey-bg:#f1f2f5;
}
*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:15px}
a{color:var(--primary)}
header{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:5}
.wrap{max-width:1250px;margin:0 auto;padding:0 16px}
.top{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 0;flex-wrap:wrap}
.brand{font-weight:700;font-size:18px}
.brand small{display:block;font-weight:400;color:var(--muted);font-size:12px}
.who{display:flex;align-items:center;gap:8px;font-size:13px;flex-wrap:wrap}
nav{display:flex;gap:4px;overflow-x:auto;padding:5px;margin-bottom:10px;border-radius:5px;background:linear-gradient(135deg,#7a2e5c,#b2457f)}
nav button{border:0;background:transparent;padding:8px 16px;border-radius:3px;cursor:pointer;font-size:14px;color:rgba(255,255,255,.88);white-space:nowrap}
nav button:hover{background:rgba(255,255,255,.14);color:#fff}
nav button.active{background:#fff;color:#7a2e5c;font-weight:700}
nav .cnt{display:inline-block;min-width:18px;padding:0 5px;margin-left:4px;border-radius:99px;background:#ffd166;color:#4a2b00;font-size:11px;font-weight:700;text-align:center}
main{padding:16px 0 60px}
.center{text-align:center;padding:60px 16px}
.card{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px 18px;margin-bottom:16px}
.card h2{margin:0 0 12px;font-size:17px}
.card h3{margin:16px 0 8px;font-size:15px}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px}
.card-head h2{margin:0}
.grid{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(220px,1fr))}
label{display:block;font-size:13px;color:var(--muted);margin-bottom:4px}
label .req{color:var(--bad)}
input,select,textarea{width:100%;padding:8px 10px;border:1px solid var(--line);border-radius:8px;font:inherit;background:#fff;color:var(--text)}
textarea{line-height:1.5;resize:vertical}
input:focus,select:focus,textarea:focus{outline:2px solid var(--primary);outline-offset:-1px}
.btn{display:inline-block;border:1px solid var(--line);background:#fff;padding:8px 14px;border-radius:8px;cursor:pointer;font:inherit;font-size:14px;color:var(--text);text-decoration:none;white-space:nowrap}
.btn.primary{background:var(--primary);color:var(--primary-ink);border-color:var(--primary)}
.btn.good{background:var(--good);color:#fff;border-color:var(--good)}
.btn.danger{color:var(--bad)}
.btn.sm{padding:4px 10px;font-size:13px}
.btn.xs{padding:2px 7px;font-size:12px}
.btn:disabled{opacity:.6;cursor:wait}
.row{display:flex;gap:8px;align-items:end;flex-wrap:wrap}
.row>.grow{flex:1;min-width:160px}
.filters{display:flex;gap:10px;align-items:end;flex-wrap:wrap;margin-bottom:12px}
.filters>div{min-width:140px}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:7px 8px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:12px;color:var(--muted);font-weight:600;text-transform:uppercase;white-space:nowrap;background:#fafbfc}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
tbody tr.click{cursor:pointer}
tbody tr.click:hover{background:#f8fafd}
.table-wrap{overflow:auto}
.muted{color:var(--muted);font-size:13px}
.hint{font-size:12px;color:var(--muted);margin-top:4px}
.msg{font-size:13px;margin-top:6px}
.msg.err{color:var(--bad)} .msg.ok{color:var(--good)}
.hidden{display:none!important}
.check{display:flex;align-items:center;gap:6px;color:var(--text);font-size:14px;margin:0}
.check input{width:auto}
code{background:#f1f3f7;padding:1px 5px;border-radius:4px;font-size:12px;word-break:break-all}

/* Trạng thái */
.badge{display:inline-block;padding:2px 9px;border-radius:99px;font-size:12px;font-weight:600;white-space:nowrap;background:var(--soft);color:var(--primary)}
.st-new{background:var(--grey-bg);color:#3d4556}
.st-doing{background:var(--info-bg);color:var(--info)}
.st-review{background:var(--violet-bg);color:var(--violet)}
.st-fix{background:var(--warn-bg);color:var(--warn)}
.st-waiting{background:#fdf0d5;color:#8a5a00;border:1px dashed #d9a441}
.st-done{background:var(--good-bg);color:var(--good)}
.st-cancelled{background:var(--grey-bg);color:var(--muted);text-decoration:line-through}
.badge.late{background:var(--bad-bg);color:var(--bad)}
.badge.urgent{background:var(--bad);color:#fff}
.badge.urgent-pending{background:var(--bad-bg);color:var(--bad)}
.badge.tmp{background:var(--warn-bg);color:var(--warn);font-weight:500}
.dot{display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--bad);margin-right:4px;vertical-align:1px}
.chips{display:flex;gap:6px;flex-wrap:wrap}
.chip{border:1px solid var(--line);background:#fff;border-radius:99px;padding:4px 11px;font-size:13px;cursor:pointer}
.chip.on{background:var(--primary);color:#fff;border-color:var(--primary)}

/* Phiếu order */
.lines{display:flex;flex-direction:column;gap:8px}
.line{display:grid;grid-template-columns:minmax(220px,3fr) 90px 130px minmax(140px,2fr) auto;gap:8px;align-items:end}
.estimate{background:var(--info-bg);color:var(--info);padding:8px 12px;border-radius:8px;font-size:13px;margin-top:10px}

/* Chi tiết order */
.detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:10px 18px;margin-bottom:6px}
.detail-grid .k{font-size:12px;color:var(--muted)}
.detail-grid .v{font-size:14px;word-break:break-word;white-space:pre-wrap}
.task{border:1px solid var(--line);border-radius:10px;padding:10px 12px;margin-bottom:8px}
.task.blocked{opacity:.75;background:#fafbfc}
.task-head{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;align-items:center}
.task-name{font-weight:600}
.task-meta{font-size:13px;color:var(--muted);margin-top:4px}
.task-actions{display:flex;gap:6px;flex-wrap:wrap;margin-top:8px}
.note-box{font-size:13px;margin-top:6px;padding:6px 10px;border-radius:6px}
.note-box.waiting{background:#fdf0d5}
.note-box.fix{background:var(--warn-bg)}
.timeline{list-style:none;margin:0;padding:0;font-size:13px}
.timeline li{padding:6px 0;border-bottom:1px dashed var(--line)}
.timeline li .t{color:var(--muted);font-size:12px}
.timeline li.comment{background:var(--soft);border-radius:6px;padding:6px 8px;margin:4px 0;border:0}
.files{display:flex;gap:10px;flex-wrap:wrap}
.file{border:1px solid var(--line);border-radius:8px;padding:6px;width:130px;font-size:12px;word-break:break-all}
.file img{width:100%;height:90px;object-fit:cover;border-radius:4px;display:block;margin-bottom:4px}

/* Bảng việc */
.board{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:12px}
.col{background:var(--card);border:1px solid var(--line);border-radius:12px;padding:10px;min-height:120px}
.col.queue{border-color:#b9c9e6;background:#f7faff}
.col.waiting-col{border-style:dashed;border-color:#d9a441;background:#fffaf0}
.col-head{display:flex;justify-content:space-between;align-items:baseline;gap:6px;margin-bottom:8px}
.col-head b{font-size:15px}
.load{font-size:12px;color:var(--muted)}
.load.heavy{color:var(--bad);font-weight:600}
.loadbar{height:5px;border-radius:3px;background:var(--grey-bg);margin:-4px 0 8px;overflow:hidden}
.loadbar i{display:block;height:100%;background:var(--info)}
.loadbar i.heavy{background:var(--bad)}
.card-task{border:1px solid var(--line);border-radius:8px;padding:7px 9px;margin-bottom:6px;background:#fff;font-size:13px;cursor:pointer}
.card-task:hover{border-color:var(--primary)}
.card-task .ct-top{display:flex;justify-content:space-between;gap:6px}
.card-task .ct-code{color:var(--muted);font-size:12px}
.card-task .ct-btns{display:flex;gap:4px;margin-top:6px;flex-wrap:wrap}

/* Thông báo */
.bell{position:relative;border:1px solid var(--line);background:#fff;border-radius:8px;padding:5px 10px;cursor:pointer;font-size:14px}
.bell .n{position:absolute;top:-7px;right:-7px;background:var(--bad);color:#fff;border-radius:99px;font-size:11px;min-width:18px;padding:1px 5px;text-align:center;font-weight:700}
.notif-panel{position:absolute;right:16px;top:58px;width:380px;max-width:calc(100vw - 32px);max-height:70vh;overflow:auto;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 8px 28px rgba(0,0,0,.15);z-index:10}
.notif-panel .item{padding:9px 12px;border-bottom:1px solid var(--line);font-size:13px;cursor:pointer}
.notif-panel .item.unread{background:var(--soft)}
.notif-panel .item .t{font-size:11px;color:var(--muted)}

/* Hộp thoại */
.modal-bg{position:fixed;inset:0;background:rgba(20,26,40,.45);display:flex;align-items:flex-start;justify-content:center;z-index:20;padding:40px 16px;overflow:auto}
.modal-bg .card{max-width:480px;width:100%;margin:0}
.login{max-width:400px;margin:60px auto}
.hub-btn{display:block;width:100%;text-align:center;padding:11px;font-weight:600;text-decoration:none}
.upd-bar{position:fixed;bottom:16px;left:50%;transform:translateX(-50%);background:#1d2433;color:#fff;padding:10px 16px;border-radius:10px;z-index:30;display:flex;gap:10px;align-items:center;font-size:14px}
.sec-title{font-size:13px;font-weight:700;color:var(--muted);text-transform:uppercase;margin:14px 0 8px}
.empty{color:var(--muted);font-size:13px;padding:8px 2px}

@media (max-width:720px){
  .line{grid-template-columns:1fr 80px;}
  .line>.l-note{grid-column:1 / -1}
  .filters>div{min-width:calc(50% - 6px)}
  th.hide-m,td.hide-m{display:none}
}