:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --surface-2: #f0f3f7;
  --border: #dde3ea;
  --text: #1b2430;
  --text-2: #4f5b6b;
  --muted: #7a8696;
  --accent: #2563c9;
  --accent-ink: #ffffff;
  --accent-soft: #e6effc;
  --bar: #3b77d8;
  --danger: #c23b3b;
  --warn-bg: #fff5e0;
  --warn-ink: #8a5a00;
  --ok-bg: #e7f6ec;
  --ok-ink: #1e6b3a;
  --err-bg: #fdecec;
  --err-ink: #a12a2a;
  /* status colours: background / ink */
  --st-pending-bg: #fdf3dc;   --st-pending: #8a5a00;
  --st-article-bg: #fcebd9;   --st-article: #9a4a0f;
  --st-submitted-bg: #e6effc; --st-submitted: #1f4f9e;
  --st-urgent-bg: #fde7e3;    --st-urgent: #b3321c;
  --st-improve-bg: #f1e9fb;   --st-improve: #6b3aa8;
  --st-live-bg: #e1f5f3;      --st-live: #11695f;
  --st-completed-bg: #e5f5e8; --st-completed: #22703a;
  --st-rejected-bg: #eceef1;  --st-rejected: #59616d;
  --radius: 8px;
  --shadow: 0 1px 2px rgba(20, 30, 45, .06), 0 1px 3px rgba(20, 30, 45, .05);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c;
    --surface: #1a2029;
    --surface-2: #212833;
    --border: #2e3744;
    --text: #e4e9f0;
    --text-2: #b3bdca;
    --muted: #8591a1;
    --accent: #5b93ec;
    --accent-ink: #0d1520;
    --accent-soft: #1f2d44;
    --bar: #5b93ec;
    --danger: #e36a6a;
    --warn-bg: #3a2e14; --warn-ink: #f2c26b;
    --ok-bg: #16301f;   --ok-ink: #7fd49b;
    --err-bg: #3a1c1c;  --err-ink: #f0a0a0;
    --st-pending-bg: #3a2e14;   --st-pending: #f2c26b;
    --st-article-bg: #3d2715;   --st-article: #f0b07a;
    --st-submitted-bg: #1f2d44; --st-submitted: #9cbef5;
    --st-urgent-bg: #43221c;    --st-urgent: #f4a393;
    --st-improve-bg: #2f2440;   --st-improve: #c9a8f0;
    --st-live-bg: #163531;      --st-live: #86d6cb;
    --st-completed-bg: #19331f; --st-completed: #8fd6a2;
    --st-rejected-bg: #2a3038;  --st-rejected: #a9b1bc;
    --shadow: none;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 14px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 12px; }
h2 { font-size: 15px; margin: 0 0 12px; }
h2 small { font-weight: 400; }
.mt { margin-top: 20px; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.nowrap { white-space: nowrap; }
.num { text-align: right; font-variant-numeric: tabular-nums; }
code { background: var(--surface-2); padding: 1px 5px; border-radius: 4px; }

/* top bar */
.topbar {
  display: flex; align-items: center; gap: 20px; flex-wrap: wrap;
  padding: 10px 20px; background: var(--surface); border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 20;
}
.brand { font-weight: 700; color: var(--text); display: flex; align-items: center; gap: 8px; }
.brand:hover { text-decoration: none; }
.logo { background: var(--accent); color: var(--accent-ink); font-size: 11px; font-weight: 800; padding: 4px 6px; border-radius: 6px; letter-spacing: .5px; }
.nav { display: flex; gap: 4px; flex-wrap: wrap; flex: 1; }
.nav a, .nav-right > a { color: var(--text-2); padding: 6px 10px; border-radius: 6px; }
.nav a:hover, .nav-right > a:hover { background: var(--surface-2); text-decoration: none; }
.nav a.active, .nav-right > a.active { background: var(--accent-soft); color: var(--accent); font-weight: 600; }
.nav-right { display: flex; align-items: center; gap: 6px; }
.who small { color: var(--muted); }
.bell { position: relative; display: inline-flex; }
.badge { position: absolute; top: 0; right: 0; background: var(--danger); color: #fff; font-size: 10px; font-weight: 700; border-radius: 9px; padding: 0 5px; line-height: 16px; }
form.inline { display: inline; }
button.link { background: none; border: 0; color: var(--text-2); cursor: pointer; font: inherit; padding: 6px 10px; }
button.link:hover { color: var(--accent); }

.wrap { padding: 20px; max-width: 1600px; margin: 0 auto; }
.wrap.narrow { max-width: 760px; }
.page-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 12px; }
.page-head h1 { margin: 0; }
.count { font-size: 13px; font-weight: 500; color: var(--muted); background: var(--surface-2); padding: 2px 8px; border-radius: 10px; vertical-align: middle; }
.actions { display: flex; gap: 8px; }

/* cards & layout */
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 16px; box-shadow: var(--shadow); margin-bottom: 16px; min-width: 0; }
.narrow-card { max-width: 460px; }
.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(480px, 1fr)); gap: 16px; }
.grid-cards .card { margin: 0; }
.grid-cards .wide { grid-column: 1 / -1; }
.split { display: grid; grid-template-columns: minmax(0, 2fr) minmax(280px, 1fr); gap: 16px; align-items: start; }
.split > .card { margin: 0; }

/* buttons & forms */
.btn {
  display: inline-block; background: var(--accent); color: var(--accent-ink); border: 1px solid var(--accent);
  border-radius: 6px; padding: 7px 14px; font: inherit; font-weight: 600; cursor: pointer; white-space: nowrap;
}
.btn:hover { filter: brightness(1.07); text-decoration: none; }
.btn.ghost { background: var(--surface); color: var(--text); border-color: var(--border); }
.btn.danger { background: var(--surface); color: var(--danger); border-color: var(--danger); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn.full { width: 100%; }
input, select, textarea {
  font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border);
  border-radius: 6px; padding: 6px 8px; min-width: 0;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; border-color: var(--accent); }
.form label { display: flex; flex-direction: column; gap: 4px; font-size: 13px; color: var(--text-2); margin-bottom: 12px; }
.form label.check, label.check { flex-direction: row; align-items: center; gap: 6px; }
.form h2 { margin-top: 8px; }
.grid2, .grid3 { display: grid; gap: 0 14px; }
.grid2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.span2 { grid-column: span 2; }
.span3 { grid-column: 1 / -1; }
.form-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.flash { padding: 10px 14px; border-radius: 6px; margin-bottom: 12px; }
.flash-ok { background: var(--ok-bg); color: var(--ok-ink); }
.flash-error { background: var(--err-bg); color: var(--err-ink); }
.flash-warn { background: var(--warn-bg); color: var(--warn-ink); }

/* login */
.login { min-height: 80vh; display: grid; place-items: center; }
.login .card { width: 100%; max-width: 360px; }
.login-brand { display: flex; align-items: center; gap: 8px; font-weight: 700; font-size: 18px; margin-bottom: 16px; }

/* filters */
.filters, .range { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.filters input[type=search] { flex: 1 1 220px; }
.inline-label { display: flex; align-items: center; gap: 4px; color: var(--text-2); font-size: 13px; }
.chip { background: var(--accent-soft); color: var(--accent); padding: 4px 10px; border-radius: 12px; font-size: 13px; }
.pill { padding: 5px 12px; border-radius: 14px; border: 1px solid var(--border); color: var(--text-2); background: var(--surface); }
.pill.active { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600; }
.pill:hover { text-decoration: none; }

/* sheet-style table */
.table-wrap { overflow-x: auto; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); }
.card .table-wrap { border: 0; }
table.sheet { border-collapse: separate; border-spacing: 0; width: 100%; font-size: 13px; }
.sheet th {
  position: sticky; top: 0; z-index: 2; background: var(--surface-2); color: var(--text-2);
  text-align: left; font-weight: 600; padding: 8px; border-bottom: 1px solid var(--border); white-space: nowrap;
}
.sheet td { padding: 4px 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.sheet tbody tr:hover td { background: var(--surface-2); }
.sheet .sticky-col { position: sticky; left: 0; background: var(--surface); z-index: 1; border-right: 1px solid var(--border); }
.sheet th.sticky-col { z-index: 3; background: var(--surface-2); }
.sheet td.code { font-family: ui-monospace, Consolas, monospace; font-size: 12px; white-space: nowrap; }
.sheet tr.overdue td.sticky-col { box-shadow: inset 3px 0 0 var(--danger); }
.sheet .empty { text-align: center; padding: 30px; color: var(--muted); }
.edit-cell { position: relative; min-width: 180px; }
.cell-input { width: 100%; border-color: transparent; background: transparent; padding: 5px 6px; }
.cell-input:hover { border-color: var(--border); background: var(--surface); }
.edit-cell .open-link { position: absolute; right: 12px; top: 50%; transform: translateY(-50%); font-size: 13px; }
.edit-cell:has(.open-link) .cell-input { padding-right: 22px; }
.with-link { display: flex; align-items: center; gap: 8px; }
.with-link input { flex: 1; min-width: 0; }
.with-link .open-link[hidden] { display: none; }
.saving { opacity: .6; }
.saved { box-shadow: inset 0 0 0 2px var(--st-completed) !important; transition: box-shadow .2s; }
.save-error { box-shadow: inset 0 0 0 2px var(--danger) !important; }
.ok-dot { color: var(--st-completed); font-weight: 700; }
.tag-new, .tag-over { font-family: system-ui, sans-serif; font-size: 10px; font-weight: 700; border-radius: 4px; padding: 1px 4px; margin-left: 4px; }
.tag-new { background: var(--accent); color: var(--accent-ink); }
.tag-over { background: var(--st-urgent-bg); color: var(--st-urgent); }

/* status */
.status, .status-select { border-radius: 12px; font-size: 12px; font-weight: 600; border: 0; padding: 3px 10px; white-space: nowrap; }
.status-select { padding-right: 4px; cursor: pointer; }
.st-pending { --sb: var(--st-pending-bg); --si: var(--st-pending); }
.st-article-writing { --sb: var(--st-article-bg); --si: var(--st-article); }
.st-submitted { --sb: var(--st-submitted-bg); --si: var(--st-submitted); }
.st-urgent { --sb: var(--st-urgent-bg); --si: var(--st-urgent); }
.st-improvement-upload { --sb: var(--st-improve-bg); --si: var(--st-improve); }
.st-live { --sb: var(--st-live-bg); --si: var(--st-live); }
.st-completed { --sb: var(--st-completed-bg); --si: var(--st-completed); }
.st-rejected { --sb: var(--st-rejected-bg); --si: var(--st-rejected); }
.status, .status-select { background: var(--sb, var(--surface-2)); color: var(--si, var(--text)); }
.status-select option { background: var(--surface); color: var(--text); }

.pager { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin: 12px 0; }
.pager a.active { font-weight: 700; color: var(--text); }

/* dashboard */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 16px; }
.kpi { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; color: var(--text); box-shadow: var(--shadow); }
a.kpi:hover { border-color: var(--accent); text-decoration: none; }
.kpi span { display: block; color: var(--muted); font-size: 12px; }
.kpi b { font-size: 24px; font-variant-numeric: tabular-nums; }
.kpi.warn b { color: var(--st-urgent); }

.bars { display: flex; flex-direction: column; gap: 6px; }
.bar-row { display: grid; grid-template-columns: minmax(90px, 150px) 1fr auto; gap: 10px; align-items: center; font-size: 13px; }
.bar-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; color: var(--text-2); }
.bar-track { height: 14px; }
.bar-fill { height: 100%; background: var(--bar); border-radius: 0 4px 4px 0; min-width: 2px; }
.bar-fill.st-pending, .bar-fill.st-article-writing, .bar-fill.st-submitted, .bar-fill.st-urgent, .bar-fill.st-improvement-upload, .bar-fill.st-live, .bar-fill.st-completed, .bar-fill.st-rejected { background: var(--si); opacity: .8; }
.bar-value { font-variant-numeric: tabular-nums; color: var(--text); white-space: nowrap; }

table.mini { border-collapse: collapse; width: 100%; font-size: 13px; }
.mini th { text-align: left; color: var(--muted); font-weight: 600; font-size: 12px; padding: 6px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.mini th.num { text-align: right; }
.mini td { padding: 6px 8px; border-bottom: 1px solid var(--border); white-space: nowrap; }
.mini td.text { white-space: normal; min-width: 160px; }
.mini tr:last-child td { border-bottom: 0; }
tr.inactive td { opacity: .55; }

.log { list-style: none; padding: 0; margin: 0; }
.log li { padding: 8px 0; border-bottom: 1px solid var(--border); font-size: 13px; overflow-wrap: anywhere; }
.log li:last-child { border-bottom: 0; }
.log li.unread { font-weight: 600; }
.log-meta { color: var(--muted); font-size: 12px; }
.old { color: var(--muted); text-decoration: line-through; }
.new { color: var(--text); font-weight: 600; }
.history { max-height: 80vh; overflow: auto; }

.toast {
  position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); z-index: 50;
  background: var(--err-bg); color: var(--err-ink); border: 1px solid var(--danger);
  padding: 10px 16px; border-radius: 8px; box-shadow: 0 4px 14px rgba(0,0,0,.15); max-width: 90vw;
}

@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; }
  .grid3 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .grid-cards { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  .wrap { padding: 12px 16px; }
  .topbar { padding: 8px 16px; gap: 8px; }
  .grid2, .grid3 { grid-template-columns: 1fr; }
  .span2, .span3 { grid-column: auto; }
  .bar-row { grid-template-columns: 90px 1fr auto; }
}