/* Black + cyan theme (always dark) */
:root {
  color-scheme: dark;
  --bg: #000000;
  --card: #0b0d10;
  --card-2: #14181d;
  --line: #1f262e;
  --grid: #1a2027;
  --text: #e6f1f4;
  --muted: #8a9aa3;
  --accent: #22d3ee;
  --accent-ink: #00161b;
  --accent-soft: rgba(34, 211, 238, .14);
  --stop: #f0616d;
  --error: #ff8a94;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--text);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  -webkit-tap-highlight-color: transparent;
}
main {
  max-width: 980px;
  margin: 0 auto;
  padding: max(12px, env(safe-area-inset-top)) 16px 48px;
}
[hidden] { display: none !important; }

h1 { margin: 0 0 12px; font-size: 1.5rem; }
h2 { margin: 0 0 12px; font-size: 1.05rem; }
code { font-size: .9em; color: var(--accent); }
.muted { color: var(--muted); font-size: .9rem; margin: 6px 0; }
.error { color: var(--error); min-height: 1.2em; margin: 8px 0 0; }
.num { font-variant-numeric: tabular-nums; }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 18px;
  margin-bottom: 14px;
}
.narrow { max-width: 560px; margin-left: auto; margin-right: auto; }

/* ---------- header + tabs ---------- */
.topbar { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.brand { font-weight: 800; font-size: 1.15rem; letter-spacing: -.01em; }
.brand span { color: var(--accent); }
.conn { color: var(--muted); font-size: .8rem; margin-right: auto; }
.conn.live { color: var(--accent); }

.tabs {
  position: sticky; top: 0; z-index: 5;
  display: flex; gap: 4px;
  background: var(--bg);
  padding: 6px 0 10px;
  margin-bottom: 4px;
  overflow-x: auto;
}
.tabs a {
  flex: 1;
  text-align: center;
  padding: 9px 12px;
  border-radius: 10px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 600;
  font-size: .95rem;
  white-space: nowrap;
  border: 1px solid transparent;
}
.tabs a[aria-current="page"] { color: var(--accent); background: var(--accent-soft); border-color: rgba(34, 211, 238, .35); }

/* ---------- controls ---------- */
button {
  font: inherit;
  border: 1px solid var(--line);
  background: var(--card-2);
  color: var(--text);
  border-radius: 10px;
  padding: 8px 14px;
  cursor: pointer;
}
button:hover { border-color: #2c3742; }
button.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; font-weight: 700; }
button.primary.stop { background: var(--stop); color: #fff; }
button.big { padding: 16px; font-size: 1.2rem; border-radius: 14px; }
button.link { background: none; border: none; color: var(--muted); padding: 4px 6px; }
button.danger { color: var(--error); }
button:disabled { opacity: .5; cursor: default; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

input, select {
  font: inherit;
  width: 100%;
  padding: 9px 12px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #050607;
  color: var(--text);
}
input[type="checkbox"] { width: 18px; height: 18px; padding: 0; accent-color: var(--accent); }
input[type="color"] { width: 36px; height: 36px; padding: 2px; flex: none; cursor: pointer; }
label { display: block; margin-bottom: 12px; font-size: .9rem; color: var(--muted); }
label input, label select { margin-top: 4px; }
label.check { display: flex; align-items: center; gap: 8px; color: var(--text); }
label.check input { margin: 0; }

.seg { display: inline-flex; background: var(--card-2); border: 1px solid var(--line); border-radius: 10px; padding: 2px; }
.seg button { border: none; background: none; color: var(--muted); padding: 6px 12px; border-radius: 8px; font-size: .9rem; }
.seg button[aria-pressed="true"] { background: var(--accent-soft); color: var(--accent); font-weight: 600; }

.toolbar { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 14px; }
.toolbar .spacer { flex: 1; }
.nav { display: inline-flex; align-items: center; gap: 4px; }
.nav .range-label { min-width: 150px; text-align: center; font-weight: 600; }
.nav button { padding: 6px 11px; }

.row { display: flex; gap: 8px; align-items: center; }
.row input { flex: 1; }

/* ---------- timer ---------- */
.hero { text-align: center; }
.hero .label { color: var(--muted); text-transform: uppercase; letter-spacing: .1em; font-size: .75rem; }
.total {
  font-size: clamp(3rem, 15vw, 5rem);
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  letter-spacing: -.02em;
  line-height: 1.1;
  margin: 6px 0 2px;
}
.hero.running .total { color: var(--accent); text-shadow: 0 0 24px rgba(34, 211, 238, .35); }
.session { color: var(--muted); font-variant-numeric: tabular-nums; margin-bottom: 16px; }
.hero.running .session { color: var(--text); }
.hero .controls { display: flex; gap: 8px; }
.hero .controls .big { flex: 1; }
.bill-toggle { width: 58px; font-size: 1.2rem; font-weight: 700; color: var(--muted); }
.bill-toggle[aria-pressed="true"] { color: var(--accent); border-color: var(--accent); background: var(--accent-soft); }

.chips { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; margin-bottom: 16px; }
.chip { display: inline-flex; align-items: center; gap: 7px; border-radius: 999px; padding: 6px 14px; font-size: .9rem; }
.chip[aria-checked="true"] { border-color: var(--chip-color, var(--accent)); background: color-mix(in srgb, var(--chip-color, var(--accent)) 18%, transparent); }
.dot { width: 10px; height: 10px; border-radius: 50%; flex: none; background: var(--c, var(--accent)); }

/* ---------- lists ---------- */
.list { list-style: none; margin: 0; padding: 0; }
.list li {
  display: flex; align-items: center; gap: 10px;
  padding: 10px 6px;
  border-top: 1px solid var(--line);
}
.list li:first-child { border-top: none; }
.list li.clickable { cursor: pointer; border-radius: 8px; }
.list li.clickable:hover { background: var(--card-2); }
.list .grow { flex: 1; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.list .sub { color: var(--muted); font-variant-numeric: tabular-nums; font-size: .9rem; }
.list .money { color: var(--accent); font-variant-numeric: tabular-nums; font-size: .9rem; }
.day-head { display: flex; justify-content: space-between; margin: 18px 0 4px; color: var(--muted); font-size: .85rem; text-transform: uppercase; letter-spacing: .06em; }
.day-head:first-child { margin-top: 0; }
.card-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 8px; }
.card-head h2 { margin: 0; }

/* ---------- calendar (blocks) ---------- */
.cal-scroll { max-height: 70vh; overflow: auto; border: 1px solid var(--line); border-radius: 12px; }
.cal { display: grid; position: relative; min-width: 560px; }
.cal.day-span { min-width: 0; }
.cal-head { position: sticky; top: 0; z-index: 3; background: var(--card); border-bottom: 1px solid var(--line); padding: 8px 4px; text-align: center; font-size: .8rem; color: var(--muted); }
.cal-head.today { color: var(--accent); font-weight: 700; }
.cal-head .t { display: block; color: var(--text); font-variant-numeric: tabular-nums; font-size: .75rem; }
.cal-gutter { position: relative; }
.cal-gutter span { position: absolute; right: 6px; font-size: .7rem; color: var(--muted); transform: translateY(-50%); font-variant-numeric: tabular-nums; }
.cal-col { position: relative; border-left: 1px solid var(--line); cursor: copy; }
.cal-col .hr { position: absolute; left: 0; right: 0; border-top: 1px solid var(--grid); pointer-events: none; }
.block {
  position: absolute; left: 3px; right: 3px;
  border-radius: 6px;
  border-left: 3px solid var(--c);
  background: color-mix(in srgb, var(--c) 28%, #000);
  color: var(--text);
  font-size: .72rem; line-height: 1.25;
  padding: 3px 5px;
  overflow: hidden;
  cursor: pointer;
  box-shadow: 0 0 0 1px var(--card);
}
.block:hover { background: color-mix(in srgb, var(--c) 42%, #000); }
.block b { display: block; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.block.running { animation: pulse 2s ease-in-out infinite; }
@keyframes pulse { 50% { background: color-mix(in srgb, var(--c) 40%, #000); } }
.now-line { position: absolute; left: 0; right: 0; height: 2px; background: var(--stop); z-index: 2; pointer-events: none; }

/* ---------- timesheet ---------- */
.table-wrap { overflow-x: auto; }
table.sheet { width: 100%; border-collapse: collapse; font-variant-numeric: tabular-nums; font-size: .9rem; }
.sheet th, .sheet td { padding: 9px 8px; border-bottom: 1px solid var(--line); text-align: right; white-space: nowrap; }
.sheet th:first-child, .sheet td:first-child { text-align: left; }
.sheet th { color: var(--muted); font-weight: 600; font-size: .8rem; }
.sheet tfoot td { font-weight: 700; border-bottom: none; }
.sheet .zero { color: #3a454f; }
.sheet .name { display: inline-flex; align-items: center; gap: 8px; }

/* ---------- stats ---------- */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 10px; margin-bottom: 14px; }
.tile { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; }
.tile .k { color: var(--muted); font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }
.tile .v { font-size: 1.6rem; font-weight: 700; font-variant-numeric: tabular-nums; margin-top: 2px; }
.tile .v.accent { color: var(--accent); }
.custom-range { display: flex; gap: 8px; align-items: center; }
.custom-range input { width: auto; }

.chart-wrap { position: relative; }
.chart-wrap svg { display: block; width: 100%; height: auto; overflow: visible; }
.chart-wrap .axis { fill: var(--muted); font-size: 11px; font-variant-numeric: tabular-nums; }
.chart-wrap .gridline { stroke: var(--grid); stroke-width: 1; }
.chart-wrap .hit { fill: transparent; cursor: default; }
.chart-wrap .hit:hover { fill: rgba(255, 255, 255, .04); }
.tooltip {
  position: absolute; z-index: 10; pointer-events: none;
  background: #050607; border: 1px solid var(--line); border-radius: 10px;
  padding: 8px 10px; font-size: .8rem; min-width: 150px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .6);
}
.tooltip .tt-title { font-weight: 700; margin-bottom: 4px; }
.tooltip .tt-row { display: flex; align-items: center; gap: 6px; }
.tooltip .tt-row span:nth-child(2) { flex: 1; color: var(--muted); }
.legend { display: flex; flex-wrap: wrap; gap: 6px 14px; margin-bottom: 10px; font-size: .85rem; color: var(--muted); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }

.breakdown { display: grid; grid-template-columns: 220px 1fr; gap: 20px; align-items: center; }
@media (max-width: 640px) { .breakdown { grid-template-columns: 1fr; } .breakdown svg.donut { max-width: 220px; margin: 0 auto; } }
.donut .center-v { fill: var(--text); font-size: 20px; font-weight: 700; }
.donut .center-k { fill: var(--muted); font-size: 11px; }
.bar-pct { height: 4px; border-radius: 2px; background: var(--c); margin-top: 4px; }

/* ---------- subjects ---------- */
.cat-row { display: grid; grid-template-columns: 36px 1fr auto 96px auto; gap: 8px; align-items: center; padding: 10px 0; border-top: 1px solid var(--line); }
.cat-row:first-of-type { border-top: none; }
.cat-row .bill { display: inline-flex; align-items: center; gap: 6px; font-size: .85rem; color: var(--muted); margin: 0; }
.cat-row .fixed-name { padding: 9px 2px; }
@media (max-width: 560px) {
  /* phone: colour + name on one line, billable / rate / delete underneath */
  .cat-row { grid-template-columns: 36px 1fr 84px 64px; row-gap: 6px; }
  .cat-row > :nth-child(2) { grid-column: 2 / -1; }
  .cat-row .bill { grid-column: 2; }
  .cat-row .rate { grid-column: 3; }
}
.cat-head { display: grid; grid-template-columns: 36px 1fr auto 96px auto; gap: 8px; color: var(--muted); font-size: .75rem; text-transform: uppercase; letter-spacing: .06em; }
@media (max-width: 560px) { .cat-head { display: none; } }

/* ---------- edit dialog ---------- */
dialog {
  background: var(--card); color: var(--text);
  border: 1px solid var(--line); border-radius: 16px;
  padding: 20px; width: min(440px, calc(100vw - 32px));
}
dialog::backdrop { background: rgba(0, 0, 0, .7); }
dialog .two { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
dialog .actions { display: flex; gap: 8px; margin-top: 8px; }
dialog .actions .spacer { flex: 1; }