:root {
  --bg: #0f172a; --panel: #1e293b; --panel2: #263449; --line: #334155;
  --text: #f1f5f9; --muted: #94a3b8; --accent: #38bdf8; --accent-ink: #04202e;
  --ok: #22c55e; --warn: #f59e0b; --bad: #ef4444;
  --fs: 12px; /* ~9pt */
}
:root[data-theme="green"] {
  --bg: #04261a; --panel: #0b3b2a; --panel2: #11503a; --line: #1e6b4d;
  --text: #ecfdf5; --muted: #86b9a0; --accent: #4ade80; --accent-ink: #04200f;
}
.icon-btn { display: inline-flex; align-items: center; padding: .3rem .45rem; }
.avatar-btn { background: none; border: 0; padding: 0; cursor: pointer; color: var(--accent); display: inline-flex; border-radius: 50%; }
.avatar-btn:hover, .avatar-btn:focus-visible { box-shadow: 0 0 0 2px var(--accent); outline: none; }
.menu { position: relative; }
.menu-panel { position: absolute; right: 0; top: 100%; width: 14rem; padding-top: .4rem; z-index: 30; }
.menu-panel[hidden] { display: none; }
.menu-box { background: var(--panel); border: 1px solid var(--line); border-radius: 8px; overflow: hidden; box-shadow: 0 8px 20px rgba(0,0,0,.35); }
.menu-box .menu-name { padding: .6rem .9rem; font-weight: 600; border-bottom: 1px solid var(--line); }
.menu-box .menu-name small { display: block; color: var(--muted); font-weight: 400; }
.menu-box form { display: block; margin: 0; padding: 0; }
.menu-box a, .menu-box button { display: block; width: 100%; height: 2.4rem; line-height: 2.4rem; padding: 0 .9rem; margin: 0; border: 0; border-radius: 0; background: transparent; color: var(--text); font: inherit; text-align: left; text-decoration: none; cursor: pointer; white-space: nowrap; }
.menu-box a:hover, .menu-box button:hover { background: var(--panel2); }
* { box-sizing: border-box; }
html { font-size: var(--fs); color-scheme: dark; }
.brand, .topbar nav a, .topbar button, kbd { white-space: nowrap; }
.topbar nav { display: flex; gap: .15rem; overflow-x: auto; min-width: 0; scrollbar-width: none; }
.topbar nav::-webkit-scrollbar { display: none; }
.topbar { gap: .75rem; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: 'Inter', 'Roboto', system-ui, sans-serif; font-size: 1rem; line-height: 1.45; }
h1 { font-size: 1.5rem; margin: 0 1rem 0 0; font-weight: 600; }
h3 { font-size: 1.1rem; margin: 0 0 .5rem; }
a { color: var(--accent); text-decoration: none; }
.muted { color: var(--muted); }
kbd { background: var(--panel2); border: 1px solid var(--line); border-radius: 4px; padding: 0 .35em; font-size: .85em; }

.topbar { display: flex; align-items: center; gap: 1rem; padding: .5rem 1rem; background: var(--panel); border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 20; }
.brand { font-weight: 700; font-size: 1.25rem; color: var(--text); } .brand span { color: var(--accent); }
.topbar nav a { color: var(--muted); padding: .35rem .6rem; border-radius: 6px; } .topbar nav a.active, .topbar nav a:hover { color: var(--text); background: var(--panel2); }
.spacer { flex: 1; } .user { display: flex; align-items: center; gap: .5rem; } .inline { display: inline; margin: 0; }
.container { padding: 1rem; max-width: 1800px; margin: 0 auto; }

.btn { background: var(--panel2); color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: .4rem .8rem; font: inherit; cursor: pointer; }
.btn:hover { border-color: var(--accent); } .btn:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: var(--accent); font-weight: 600; }
.btn.ok, .btn.warn, .btn.bad { color: #fff; font-weight: 600; } .btn.ok { background: var(--ok); border-color: var(--ok); } .btn.warn { background: var(--warn); border-color: var(--warn); } .btn.bad { background: var(--bad); border-color: var(--bad); }
.btn.ok:hover, .btn.warn:hover, .btn.bad:hover { filter: brightness(1.1); }
.btn.danger { background: transparent; color: var(--bad); border-color: var(--bad); } .btn.ghost { background: transparent; } .btn.block { width: 100%; margin-top: 1rem; }
input, select, textarea { background: #0b1220; color: var(--text); border: 1px solid var(--line); border-radius: 6px; padding: .4rem .55rem; font: inherit; width: 100%; }
label { display: block; color: var(--muted); margin-top: .6rem; } label input, label select, label textarea { margin-top: .2rem; color: var(--text); }
.chk { display: flex; align-items: center; gap: .3rem; margin: 0; white-space: nowrap; } .chk input { width: auto; }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem; margin-bottom: 1rem; }
.toolbar select, .toolbar input[type=search] { width: auto; min-width: 11rem; } .toolbar .quick { flex: 1; min-width: 18rem; border-color: var(--accent); }

.board { display: grid; grid-template-columns: repeat(7, minmax(220px, 1fr)); gap: .75rem; overflow-x: auto; padding-bottom: 1rem; }
.col { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; min-height: 60vh; display: flex; flex-direction: column; }
.col.over { border-color: var(--accent); background: var(--panel2); }
.col h2 { font-size: 1rem; margin: 0; padding: .6rem .75rem; display: flex; justify-content: space-between; border-bottom: 1px solid var(--line); }
.col h2 .n { color: var(--muted); font-weight: 400; } .cards { padding: .5rem; display: flex; flex-direction: column; gap: .5rem; flex: 1; }
.card { background: var(--bg); border: 1px solid var(--line); border-left: 3px solid var(--line); border-radius: 8px; padding: .55rem .65rem; cursor: grab; }
.card:hover { border-color: var(--accent); } .card.late { border-left-color: var(--bad); } .card.ontime { border-left-color: var(--ok); }
.card .ma { color: var(--muted); font-size: .9rem; } .card .t { margin: .15rem 0 .35rem; word-break: break-word; } .card .meta { display: flex; justify-content: space-between; gap: .4rem; color: var(--muted); font-size: .9rem; }
.badge { padding: 0 .45em; border-radius: 999px; border: 1px solid var(--line); } .badge.late { color: var(--bad); border-color: var(--bad); }

.drawer { position: fixed; top: 0; right: 0; width: min(560px, 100vw); height: 100vh; background: var(--panel); border-left: 1px solid var(--line); z-index: 30; overflow-y: auto; box-shadow: -8px 0 24px #0008; }
.drawer[hidden] { display: none; } .drawer-head { display: flex; justify-content: space-between; align-items: center; padding: .75rem 1rem; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--panel); }
.drawer-body, .drawer-sec { padding: 0 1rem 1rem; } .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 0 .75rem; } .row { display: flex; gap: .5rem; margin-top: .8rem; align-items: center; } .row input { flex: 1; }
.timeline { list-style: none; margin: .75rem 0 0; padding: 0; } .timeline li { border-left: 2px solid var(--accent); padding: .1rem 0 .6rem .7rem; } .timeline small { color: var(--muted); }

.grid { width: 100%; border-collapse: collapse; background: var(--panel); border-radius: 8px; overflow: hidden; }
.grid th { text-align: left; padding: .5rem .6rem; background: var(--panel2); color: var(--muted); font-weight: 500; position: sticky; top: 0; cursor: default; } .grid th[data-sort] { cursor: pointer; }
.grid td { padding: .45rem .6rem; border-top: 1px solid var(--line); } .grid tbody tr:hover { background: var(--panel2); cursor: pointer; }
.pager { display: flex; gap: 1rem; justify-content: center; align-items: center; margin-top: 1rem; }

.toast { position: fixed; bottom: 1rem; left: 50%; transform: translateX(-50%); background: var(--panel2); border: 1px solid var(--line); padding: .6rem 1rem; border-radius: 8px; opacity: 0; pointer-events: none; transition: opacity .2s; z-index: 50; }
.toast.show { opacity: 1; } .toast.err { border-color: var(--bad); }
@media (max-width: 800px) { .grid2 { grid-template-columns: 1fr; } .topbar { flex-wrap: wrap; } }

/* ---- Sprint 2: Ticket + Dashboard ---- */
.chips { display: flex; flex-wrap: wrap; gap: .3rem; } .chip { background: transparent; color: var(--muted); border: 1px solid var(--line); border-radius: 999px; padding: .25rem .7rem; font: inherit; cursor: pointer; }
.chip.active, .chip:hover { color: var(--text); border-color: var(--accent); background: var(--panel2); }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: .75rem 1rem; margin: .75rem 0; } .drawer-body .panel { background: var(--panel2); }
.row.wrap { flex-wrap: wrap; } .info p { margin: .3rem 0; } .pre { white-space: pre-wrap; word-break: break-word; } .mt { margin-top: 1.25rem; } .small { font-size: .9rem; }
.badge.st2 { color: var(--warn); border-color: var(--warn); } .badge.st3 { color: var(--accent); border-color: var(--accent); } .badge.st4 { color: #a78bfa; border-color: #a78bfa; }
.badge.st10 { color: var(--ok); border-color: var(--ok); } .badge.st-1 { color: var(--bad); border-color: var(--bad); } .badge.warn { color: var(--warn); border-color: var(--warn); } .badge.ahead { color: var(--ok); border-color: var(--ok); }
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: .75rem; margin-bottom: .75rem; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: .8rem 1rem; } .kpi b { display: block; font-size: 2rem; line-height: 1.1; } .kpi span { color: var(--muted); }
.kpi.ok b { color: var(--ok); } .kpi.bad b { color: var(--bad); }
.dgrid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: .75rem; } .dgrid .panel { margin: 0; } .dgrid .wide { grid-column: 1 / -1; }
.donut { display: flex; gap: 1.25rem; align-items: center; flex-wrap: wrap; } .donut svg { width: 150px; height: 150px; } .donut .big { fill: var(--text); font-size: 22px; font-weight: 600; }
.legend { list-style: none; margin: 0; padding: 0; } .legend li { display: flex; align-items: center; gap: .4rem; } .legend i { width: .8rem; height: .8rem; border-radius: 3px; display: inline-block; }
.bars { display: flex; gap: .5rem; align-items: flex-end; height: 150px; } .bar { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; align-items: center; height: 100%; }
.bar .fill { width: 100%; background: var(--accent); border-radius: 4px 4px 0 0; min-height: 2px; } .bar .v { font-size: .9rem; } .bar .l { color: var(--muted); font-size: .8rem; margin-top: .25rem; text-align: center; }
.proj { padding: .5rem 0; border-top: 1px solid var(--line); } .proj:first-child { border-top: 0; } .ph { display: flex; justify-content: space-between; gap: 1rem; }
.meter { display: grid; grid-template-columns: 9rem 1fr; gap: .5rem; align-items: center; margin-top: .25rem; color: var(--muted); } .meter div { background: #0b1220; border-radius: 4px; height: .55rem; overflow: hidden; }
.meter i { display: block; height: 100%; background: var(--accent); } .meter.late i { background: var(--bad); } .meter.ok i { background: var(--ok); } .meter.ahead i { background: #a78bfa; }
.hb { display: grid; grid-template-columns: 14rem 1fr; gap: .1rem .75rem; margin-bottom: .5rem; align-items: center; } .hb .n { grid-row: span 2; } .hb div { display: flex; align-items: center; gap: .4rem; height: .8rem; }
.hb i { display: block; height: .6rem; border-radius: 3px; } .hb .plan { background: var(--muted); } .hb .act { background: var(--accent); } .hb .act.over { background: var(--bad); } .hb em { font-style: normal; color: var(--muted); font-size: .85rem; }
@media (max-width: 800px) { .dgrid { grid-template-columns: 1fr; } .hb { grid-template-columns: 1fr; } .meter { grid-template-columns: 7rem 1fr; } }

/* ---- Sprint 3: Hợp đồng, Sổ công, Gantt, Báo cáo ---- */
.num { text-align: right; font-variant-numeric: tabular-nums; } .grid input { padding: .25rem .4rem; min-width: 0; } .grid input.num { text-align: right; } .grid input[type=checkbox] { width: auto; }
.grid tr.sel { background: var(--panel2); outline: 1px solid var(--accent); } .grid tr.grp td { background: var(--panel2); font-weight: 600; } .grid tr.tot td { font-weight: 600; background: var(--panel2); } .grid .ind { padding-left: 1.6rem; color: var(--muted); }
.grid tr.rowbad td { color: #fca5a5; } .grid td.bad, .grid td.cell input.invalid { background: var(--bad); color: #fff; } .grid .acts { white-space: nowrap; } .grid .acts .btn { padding: .2rem .5rem; }
.split { display: grid; grid-template-columns: minmax(260px, 1fr) minmax(0, 3fr); gap: 1rem; align-items: start; } .split .grid tbody tr { cursor: pointer; } #plTbl tbody tr { cursor: default; }
.legend-inline { display: flex; flex-wrap: wrap; gap: .4rem 1rem; align-items: center; color: var(--muted); margin: .25rem 0 .5rem; } .legend-inline i { display: inline-block; width: .8rem; height: .8rem; border-radius: 3px; margin-right: .3rem; }
.stack { display: flex; align-items: center; height: 1.1rem; } .stack i { display: block; height: 100%; } .stack em { font-style: normal; color: var(--muted); font-size: .85rem; margin-left: .4rem; }
.c1 { background: #a78bfa; } .c2 { background: #38bdf8; } .c3 { background: #16a34a; } i.late { background: repeating-linear-gradient(45deg, #ef4444 0 3px, #7f1d1d 3px 6px); }
.scwrap { overflow: auto; max-height: 75vh; border: 1px solid var(--line); border-radius: 8px; } table.sc { min-width: max-content; } table.sc th, table.sc td { white-space: nowrap; } table.sc .stick { position: sticky; left: 0; background: var(--panel); z-index: 1; min-width: 18rem; max-width: 24rem; overflow: hidden; text-overflow: ellipsis; }
table.sc td.cell { padding: 0; } table.sc td.cell input { width: 4.2rem; text-align: center; border-radius: 0; border: 0; background: transparent; } table.sc td.cell input:focus { background: #0b1220; } table.sc thead th { top: 0; } table.sc tfoot td { position: sticky; bottom: 0; background: var(--panel2); }
.picklist { max-height: 60vh; overflow: auto; margin: .5rem 0; } .picklist h4 { margin: .75rem 0 .25rem; color: var(--accent); } .picklist .pk { margin: .15rem 0; }
.gantt { border: 1px solid var(--line); border-radius: 8px; overflow: auto; max-height: 75vh; background: var(--panel); } .g-row { display: grid; grid-template-columns: 11rem 1fr; border-top: 1px solid var(--line); min-width: 900px; } .g-head { position: sticky; top: 0; z-index: 3; background: var(--panel2); border-top: 0; }
.g-name { padding: .3rem .5rem; position: sticky; left: 0; background: var(--panel); z-index: 2; display: flex; flex-direction: column; overflow: hidden; } .g-head .g-name { background: var(--panel2); }
.g-line { position: relative; min-height: 1.6rem; } .g-head .g-line { height: 1.6rem; } .g-head span { position: absolute; top: .25rem; font-size: .8rem; color: var(--muted); transform: translateX(2px); } .g-head span.we { color: #f59e0b; }
.g-today { position: absolute; top: 0; bottom: 0; width: 2px; background: var(--bad); z-index: 1; } .g-bar { position: absolute; height: 19px; border-radius: 4px; overflow: hidden; color: #04121c; font-size: .85rem; line-height: 19px; cursor: default; box-shadow: 0 0 0 1px #0006; }
.g-bar i { position: absolute; left: 0; top: 0; bottom: 0; background: #0005; } .g-bar span { position: relative; padding: 0 .35rem; white-space: nowrap; font-weight: 500; } .g-bar.late { outline: 2px solid var(--bad); } .g-bar.mt { border-top: 3px solid #f59e0b; }
.spacer { flex: 1; }
@media (max-width: 800px) { .split { grid-template-columns: 1fr; } }

/* ---- Sprint 5: Công việc theo dự án, Bảo trì ---- */
.split.da { grid-template-columns: minmax(280px, 1fr) minmax(0, 3fr); }
.plist { display: flex; flex-direction: column; gap: .5rem; max-height: 78vh; overflow: auto; }
.pcard { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: .6rem .75rem; cursor: pointer; display: flex; flex-direction: column; gap: .15rem; }
.pcard:hover, .pcard.sel { border-color: var(--accent); background: var(--panel2); } .pcard .ph { display: flex; justify-content: space-between; gap: .5rem; }
.pcard .meter { grid-template-columns: 8rem 1fr; }
#cvTbl select, #cvTbl input { min-width: 6rem; } #cvTbl td:nth-child(3) input { min-width: 16rem; } #cvTbl .n { color: var(--muted); text-align: right; } #cvTbl .acts { white-space: nowrap; }

/* Chuông thông báo */
.bell { position: relative; }
#bellBtn { position: relative; padding-right: .7rem; }
#bellCount { position: absolute; top: -4px; right: -4px; min-width: 1.5em; padding: 0 .35em; border-radius: 999px; background: var(--bad); color: #fff; font-size: .8rem; line-height: 1.5em; text-align: center; }
#bellPanel { position: absolute; right: 0; top: calc(100% + 6px); width: 340px; max-height: 60vh; overflow-y: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 8px; box-shadow: 0 8px 24px rgba(0,0,0,.45); z-index: 30; }
.bell-head { display: flex; align-items: center; justify-content: space-between; padding: .5rem .75rem; border-bottom: 1px solid var(--line); }
.bell-item { display: flex; flex-direction: column; gap: .15rem; padding: .55rem .75rem; color: var(--text); border-bottom: 1px solid var(--line); }
.bell-item:hover { background: var(--panel2); }
.bell-item.unread { border-left: 3px solid var(--accent); background: rgba(56,189,248,.07); }
.bell-empty { padding: 1rem; text-align: center; }

/* Điện thoại: bảng rộng cuộn ngang trong chính nó (không làm trang tràn); thanh trên gọn 2 hàng (logo + tài khoản / menu cuộn ngang) */
@media (max-width: 800px) {
  table.grid:not(.sc) { display: block; max-width: 100%; overflow-x: auto; }
  .topbar { flex-wrap: wrap; row-gap: .25rem; padding: .4rem .75rem; }
  .topbar nav { order: 3; flex: 1 0 100%; }
  #btnSearchHint, .topbar .user > span { display: none; }
  #bellPanel { position: fixed; left: .5rem; right: .5rem; top: 3.2rem; width: auto; }
  .container { padding: .75rem; }
}

/* Tệp đính kèm */
.files { list-style: none; margin: 0 0 .5rem; padding: 0; }
.files li { display: flex; align-items: center; gap: .5rem; padding: .3rem 0; border-bottom: 1px solid var(--line); }
.files li a { word-break: break-all; }
.files li small { margin-left: auto; white-space: nowrap; }

/* Cột mã (CV-0000014, TK-0000011, DA-xx...): luôn vừa khít nội dung, không xuống dòng ở dấu gạch nối */
.grid th.ma, .grid td.ma { white-space: nowrap; width: 1%; font-variant-numeric: tabular-nums; }

/* Menu theo nhóm */
.topbar nav { gap: 0; }
.ng { display: flex; gap: .1rem; align-items: center; }
.ng + .ng { margin-left: .45rem; padding-left: .45rem; border-left: 1px solid var(--line); }
.topbar nav a.active { box-shadow: inset 0 -2px 0 var(--accent); }
.nb { display: inline-block; margin-left: .35rem; min-width: 1.5em; padding: 0 .4em; border-radius: 999px; background: var(--accent); color: var(--accent-ink); font-size: .8rem; font-weight: 700; line-height: 1.5em; text-align: center; }
.nb.do { background: var(--bad); color: #fff; }
.sec-title { font-size: 1.15rem; margin: 1.25rem 0 .5rem; display: flex; align-items: center; gap: .5rem; }

/* Màn hình vừa (laptop 1366px): thu gọn để menu quản lý (11 mục) vừa một hàng */
@media (max-width: 1500px) {
  .topbar nav a { padding: .35rem .4rem; } .ng + .ng { margin-left: .3rem; padding-left: .3rem; } .nb { margin-left: .25rem; }
  #btnSearchHint kbd { display: none; }
}
.logo-nav { height: 32px; width: auto; display: block; }

/* Đăng nhập: thẻ căn giữa màn hình, logo + tiêu đề trên cùng, ô nhập cao thoáng */
.auth-wrap { min-height: calc(100vh - 2rem); display: grid; place-items: center; padding: 1rem 0;
  background: radial-gradient(60rem 30rem at 50% -10%, rgba(56, 189, 248, .14), transparent 70%); }
.auth-card { width: 100%; max-width: 400px; background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 2.25rem 2rem 2rem; box-shadow: 0 20px 50px rgba(0, 0, 0, .35); }
.auth-wrap.in-app { min-height: calc(100vh - 6rem); background: none; }
.auth-brand { text-align: center; margin-bottom: 1.75rem; }
.logo-login { height: 56px; max-width: 80%; width: auto; object-fit: contain; display: block; margin: 0 auto 1.25rem; }
.auth-brand h1 { margin: 0 0 .35rem; font-size: 1.7rem; letter-spacing: -.01em; }
.auth-brand p { margin: 0; }
.auth-field { margin-bottom: 1.1rem; }
.auth-field label { display: block; margin-bottom: .35rem; font-weight: 500; color: var(--muted); }
.auth-card input { padding: .7rem .85rem; border-radius: 8px; font-size: 1.05rem; }
.auth-card input:focus-visible { border-color: var(--accent); outline-offset: 0; }
.auth-submit { margin-top: 1.5rem; padding: .75rem; font-size: 1.05rem; border-radius: 8px; }
.auth-error:empty, .auth-error.validation-summary-valid { display: none; } .auth-error { margin-bottom: 1rem; padding: .6rem .8rem; border: 1px solid var(--bad); border-radius: 8px; background: rgba(239, 68, 68, .08); }
.auth-error ul { margin: 0; padding-left: 1.1rem; }
.error, .field-validation-error { color: var(--bad); }