:root {
  --red: #ee3444; --orange: #f2663c; --yellow: #f2c14e; --blue: #2b4c7e;
  --ink: #141414; --bg: #f5f5f5; --muted: #6b6b6b; --line: #e4e4e4; --card: #fff;
  --green: #1f8a4c; --green-bg: #e7f5ec; --red-bg: #fdecee; --amber-bg: #fdf5e1; --blue-bg: #e9eef6;
  --r: 12px; --s1: 4px; --s2: 8px; --s3: 12px; --s4: 16px; --s5: 24px; --s6: 32px;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font: 15px/1.5 Barlow, system-ui, sans-serif; color: var(--ink); background: var(--bg); hyphens: none; overflow-wrap: break-word; }
h1, h2, h3 { line-height: 1.2; text-wrap: balance; margin: 0; }
p, li, td { text-wrap: pretty; }
a { color: var(--blue); }
button, input, select, textarea { font: inherit; color: inherit; }
.nw { white-space: nowrap; }
.muted { color: var(--muted); }
.pad { padding: var(--s5) 0; }
.wrap { max-width: 1180px; margin: 0 auto; padding: 0 var(--s4) var(--s6); }

.top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: var(--s3); padding: 10px var(--s4); background: var(--ink); color: #fff; }
.brand { display: flex; align-items: center; gap: var(--s2); color: #fff; text-decoration: none; font-size: 17px; white-space: nowrap; }
.brand b { color: var(--red); font-weight: 800; }
.who { display: flex; align-items: center; gap: var(--s3); font-size: 14px; color: #ddd; min-width: 0; }
.who span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.who button { background: transparent; border: 1px solid #555; color: #fff; border-radius: 8px; padding: 6px 12px; cursor: pointer; white-space: nowrap; }

.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 40px; padding: 8px 16px; border-radius: 9px; border: 1px solid var(--line); background: #fff; cursor: pointer; font-weight: 600; white-space: nowrap; text-decoration: none; color: var(--ink); }
.btn:hover { border-color: #c9c9c9; }
.btn.primary { background: var(--red); border-color: var(--red); color: #fff; }
.btn.primary:hover { background: #d92a3a; }
.btn.ghost { background: transparent; }
.btn.sm { min-height: 32px; padding: 4px 10px; font-size: 13px; border-radius: 7px; }
.btn.danger { color: var(--red); }
.btn:disabled { opacity: .5; cursor: default; }
.row { display: flex; flex-wrap: wrap; gap: var(--s2); align-items: center; }
.spread { display: flex; flex-wrap: wrap; gap: var(--s3); align-items: center; justify-content: space-between; }

.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--r); padding: var(--s5); }
.card + .card { margin-top: var(--s4); }
.card h3 { font-size: 18px; font-weight: 700; }
.eyebrow { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--red); }

/* Danh sách dự án */
.plist { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--s4); margin-top: var(--s5); align-items: stretch; }
.pcard { display: flex; flex-direction: column; gap: var(--s3); text-decoration: none; color: inherit; }
.pcard:hover { border-color: #cfcfcf; }
.pcard h3 { font-size: 20px; }
.pagehead { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: var(--s3); padding-top: var(--s6); }
.pagehead h1 { font-size: 30px; font-weight: 800; }

/* Đầu trang dự án */
.phead { padding: var(--s6) 0 var(--s4); display: grid; gap: var(--s3); }
.phead h1 { font-size: 34px; font-weight: 800; }
.phead .sub { color: var(--muted); max-width: 820px; }
.bar { height: 10px; background: #ececec; border-radius: 99px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--red); border-radius: 99px; }
.bar.thin { height: 6px; }
.chip { display: inline-flex; align-items: center; gap: 4px; padding: 2px 9px; border-radius: 99px; font-size: 12.5px; font-weight: 600; white-space: nowrap; background: #efefef; color: #444; }
.chip.hunter { background: var(--red-bg); color: #b4202e; }
.chip.client { background: var(--blue-bg); color: var(--blue); }
.chip.both { background: var(--amber-bg); color: #8a5a00; }
.chip.ok, .chip.done, .chip.paid, .chip.fixed, .chip.closed { background: var(--green-bg); color: var(--green); }
.chip.late, .chip.blocked, .chip.urgent { background: var(--red-bg); color: #b4202e; }
.chip.waiting, .chip.review, .chip.invoiced, .chip.doing { background: var(--amber-bg); color: #8a5a00; }
.chip.ms { background: var(--ink); color: #fff; }

.kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--s3); }
.kpi { background: #fff; border: 1px solid var(--line); border-radius: var(--r); padding: var(--s4); display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.kpi b { font-size: 28px; font-weight: 800; line-height: 1.1; }
.kpi small { color: var(--muted); font-size: 13px; }
.kpi span { font-weight: 600; }

.tabs { display: flex; gap: 2px; overflow-x: auto; border-bottom: 1px solid var(--line); margin: var(--s4) 0 var(--s5); scrollbar-width: thin; }
.tabs a { padding: 10px 14px; text-decoration: none; color: var(--muted); font-weight: 600; white-space: nowrap; border-bottom: 3px solid transparent; }
.tabs a.on { color: var(--ink); border-bottom-color: var(--red); }
.tabs a .n { display: inline-block; min-width: 20px; padding: 0 6px; margin-left: 4px; border-radius: 99px; background: var(--red); color: #fff; font-size: 12px; text-align: center; }

.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s4); align-items: start; }
.stack { display: grid; gap: var(--s4); }

/* Lộ trình */
.phase { padding: 0; overflow: hidden; }
.phase > .ph { padding: var(--s4) var(--s5); display: grid; gap: var(--s2); border-bottom: 1px solid var(--line); }
.phase > .ph .spread h3 { font-size: 19px; }
.tl { width: 100%; border-collapse: collapse; }
.tl td { padding: 10px 12px; border-bottom: 1px solid #f0f0f0; vertical-align: middle; }
.tl tr:last-child td { border-bottom: 0; }
.tl tr.isdone .ttl { color: var(--muted); }
.tl .code { font-size: 12.5px; color: var(--muted); font-weight: 600; white-space: nowrap; width: 64px; }
.tl .ttl { min-width: 220px; }
.tl .ttl button { all: unset; cursor: pointer; }
.tl .ttl button:hover { color: var(--red); }
.tl .dates { font-size: 13px; color: var(--muted); white-space: nowrap; width: 110px; }
.tl .dates.late { color: #b4202e; font-weight: 600; }
.tl .st { width: 128px; }
.tl .gantt { width: 34%; min-width: 180px; }
.track { position: relative; height: 18px; background: #f6f6f6; border-radius: 5px; }
.track > i { position: absolute; top: 3px; bottom: 3px; border-radius: 4px; min-width: 6px; background: #f4a4ac; }
.track > i.client { background: #9fb3d3; }
.track > i.both { background: #f2d38c; }
.track > i.done { background: #9ad1af; }
.track > i.ms { top: 1px; bottom: 1px; width: 14px !important; min-width: 14px; border-radius: 3px; transform: translateX(-7px) rotate(45deg) scale(.8); background: var(--ink); }
.track > b { position: absolute; top: -3px; bottom: -3px; width: 2px; background: var(--red); }
.sel { min-height: 34px; padding: 4px 8px; border: 1px solid var(--line); border-radius: 8px; background: #fff; font-size: 13.5px; width: 100%; }
.phase .foot { padding: var(--s3) var(--s5); border-top: 1px solid var(--line); }

/* Hai bên */
.side-col h3 { display: flex; align-items: center; gap: var(--s2); margin-bottom: var(--s3); }
.tasklist { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--s2); }
.tasklist li { display: grid; grid-template-columns: 1fr auto; gap: var(--s2); align-items: center; padding: 10px 12px; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
.tasklist li.late { border-color: #f3b8be; background: #fffafa; }
.tasklist .meta { font-size: 13px; color: var(--muted); }

/* Nghiệm thu */
.checks { list-style: none; padding: 0; margin: var(--s3) 0; display: grid; gap: 6px; }
.checks label { display: flex; gap: 10px; align-items: flex-start; cursor: pointer; }
.checks input { width: 18px; height: 18px; margin-top: 2px; accent-color: var(--green); flex: none; }
.appr { border-left: 3px solid var(--line); padding: 6px 12px; margin-top: 8px; font-size: 14px; }
.appr.approve { border-color: var(--green); }
.appr.changes { border-color: var(--red); }

/* Nhật ký */
.feed { list-style: none; margin: 0; padding: 0; }
.feed li { display: grid; grid-template-columns: 54px 1fr; gap: var(--s3); padding: var(--s3) 0; border-bottom: 1px solid #f0f0f0; }
.feed li:last-child { border-bottom: 0; }
.feed time { font-size: 13px; color: var(--muted); padding-top: 2px; }
.feed .by { font-size: 13px; color: var(--muted); }
.day { font-weight: 700; margin-top: var(--s4); padding-bottom: 4px; border-bottom: 2px solid var(--ink); }

/* Bảng chung */
.tbl { width: 100%; border-collapse: collapse; }
.tbl th { text-align: left; font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); padding: 8px 10px; border-bottom: 2px solid var(--ink); }
.tbl td { padding: 12px 10px; border-bottom: 1px solid #efefef; vertical-align: top; }

/* Form */
.form { display: grid; gap: var(--s3); }
.form label { display: grid; gap: 4px; font-weight: 600; font-size: 14px; }
.form input, .form select, .form textarea { width: 100%; min-height: 42px; padding: 9px 12px; border: 1px solid #d6d6d6; border-radius: 9px; background: #fff; font-weight: 400; }
.form textarea { min-height: 96px; resize: vertical; }
.form .two { display: grid; grid-template-columns: 1fr 1fr; gap: var(--s3); }
.form .chk { display: flex; gap: 8px; align-items: center; font-weight: 600; }
.form .chk input { width: 18px; min-height: 18px; }
dialog { border: 0; border-radius: 14px; padding: 0; width: min(640px, calc(100vw - 24px)); max-height: calc(100vh - 32px); }
dialog::backdrop { background: rgba(20, 20, 20, .5); }
dialog form { padding: var(--s5); }
dialog h3 { font-size: 20px; margin-bottom: var(--s4); }
.dlg-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: var(--s2); margin-top: var(--s4); }
.linkbox { display: flex; gap: var(--s2); }
.linkbox input { flex: 1; min-width: 0; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: var(--ink); color: #fff; padding: 10px 18px; border-radius: 10px; z-index: 50; max-width: calc(100vw - 32px); }
.empty { color: var(--muted); padding: var(--s3) 0; }
.digest { border: 1px solid var(--line); border-radius: var(--r); padding: var(--s5); background: #fff; }

@media (max-width: 900px) {
  .kpis { grid-template-columns: 1fr 1fr; }
  .grid2 { grid-template-columns: 1fr; }
  .tl .gantt { display: none; }
}
@media (max-width: 640px) {
  .wrap { padding: 0 var(--s4) var(--s5); }
  .phead { padding-top: var(--s5); }
  .phead h1, .pagehead h1 { font-size: 26px; }
  .card { padding: var(--s4); }
  .phase > .ph { padding: var(--s4); }
  .kpi b { font-size: 24px; }
  .form .two { grid-template-columns: 1fr; }
  .plist { grid-template-columns: 1fr; }
  /* Bảng lộ trình thành thẻ trên điện thoại */
  .tl, .tl tbody, .tl tr, .tl td { display: block; width: auto; }
  .tl tr { display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; padding: 12px var(--s4); border-bottom: 1px solid #f0f0f0; }
  .tl td { padding: 0; border: 0; }
  .tl .code { grid-column: 1; }
  .tl .dates { grid-column: 2; grid-row: 1; text-align: right; width: auto; }
  .tl .ttl { grid-column: 1 / -1; min-width: 0; }
  .tl .side { grid-column: 1; }
  .tl .st { grid-column: 2; width: 130px; }
  .tbl.resp thead { display: none; }
  .tbl.resp tr { display: grid; gap: 4px; padding: 12px 0; border-bottom: 1px solid #efefef; }
  .tbl.resp td { padding: 0; border: 0; }
  .feed li { grid-template-columns: 1fr; gap: 2px; }
  .who span { max-width: 110px; }
}