/* Layout: one quiet column. Grays only; color is reserved for calendar days. */
:root {
  color-scheme: dark;
  --bg: #1c1c1c;
  --panel: #262626;
  --raised: #303030;
  --hover: #3b3b3b;
  --line: #3a3a3a;
  --muted: #9b9b9b;
  --text: #ffffff;
  --block: #7c7c7c;
  --green: #2f9257;
  --yellow: #b98d06;
  --red: #b4443d;
  --rest: #4d4d4d;
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Text", "Helvetica Neue", "Segoe UI", Roboto, Arial, sans-serif;
  --hour: 46px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.45 var(--font);
  -webkit-font-smoothing: antialiased;
  cursor: default; user-select: none; -webkit-user-select: none;   /* text on the page is not selectable, so the arrow stays an arrow */
}
input, textarea, .bigcode { user-select: text; -webkit-user-select: text; }
[hidden] { display: none !important; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; border: 0; background: none; padding: 0; }
:focus-visible { outline: 2px solid var(--text); outline-offset: 2px; }

#app {
  min-height: 100%;
  display: flex;
  flex-direction: column;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
}

/* ---------- top bar ---------- */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-block: 14px;
  flex-wrap: wrap;
}
.brand { font-weight: 700; display: flex; align-items: center; gap: 8px; }
.logo { display: grid; }
.logo svg { width: 20px; height: 20px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav button { padding: 6px 12px; border-radius: 8px; color: var(--muted); font-weight: 500; }
.nav button:hover { color: var(--text); }
.nav button.on { background: var(--raised); color: var(--text); }

main { flex: 1; display: flex; flex-direction: column; min-width: 0; }

/* ---------- timer ---------- */
.timer {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-top: 13vh;
  padding-bottom: 32px;
  gap: 26px;
  text-align: center;
}
.clock {
  font-size: clamp(64px, 17vw, 168px);
  font-weight: 700;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.goal { display: flex; align-items: center; justify-content: center; gap: 8px; }
.goal label { color: var(--muted); }
.goalbox {
  width: 124px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 10px;
  text-align: center;
}
.goalbox:hover, .field:hover, .note:hover { background: var(--raised); }
.goalbox::placeholder, .field::placeholder, .note::placeholder { color: var(--muted); opacity: .75; }
.bar { width: min(320px, 70vw); height: 4px; border-radius: 4px; background: var(--raised); overflow: hidden; }
.bar i { display: block; height: 100%; width: 0; background: var(--text); border-radius: 4px; }

.controls { position: relative; display: flex; align-items: center; gap: 22px; }
.play, .round { border-radius: 50%; background: var(--raised); display: grid; place-items: center; transition: background .15s; }
.play:hover, .round:hover { background: var(--hover); }
.play { width: 96px; height: 96px; }
.play svg { width: 36px; height: 36px; display: block; }
.round { width: 46px; height: 46px; }
.round svg { width: 21px; height: 21px; display: block; }

.pop {
  position: absolute; z-index: 5;
  top: calc(100% + 14px); left: 50%; transform: translateX(-50%);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 12px;
  display: flex; flex-direction: column; gap: 10px;
  white-space: nowrap;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .35);
}
.poprow { display: flex; gap: 6px; justify-content: center; }
.popgrid { display: grid; grid-template-columns: repeat(3, auto); gap: 6px; }
.chip {
  padding: 7px 14px;
  border-radius: 999px;
  background: var(--raised);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
}
.chip:hover { background: var(--hover); }

.save { margin-top: auto; padding-top: 110px; display: flex; flex-direction: column; gap: 8px; align-items: center; width: 100%; }
.save form { display: flex; flex-wrap: wrap; justify-content: center; gap: 6px; max-width: 100%; }
.save small, .hint { color: var(--muted); font-size: 13px; }
.codeline { color: var(--muted); }
.codeline b { color: var(--text); }
.field {
  box-sizing: content-box; flex: none; width: 258px; max-width: calc(100% - 26px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 14px;
}
.btn { padding: 10px 16px; border-radius: 10px; background: var(--raised); font-weight: 600; white-space: nowrap; }
.btn:hover { background: var(--hover); }
.btn.light { background: var(--text); color: var(--bg); }
.btn.light:hover { background: #dcdcdc; }
.btn.small { padding: 6px 12px; font-size: 14px; border-radius: 8px; }

/* ---------- calendar ---------- */
.cal { padding-bottom: 40px; display: flex; flex-direction: column; gap: 16px; min-width: 0; }
.calhead { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.caltitle { font-size: 26px; font-weight: 700; }
.caltitle span { font-weight: 400; color: var(--muted); }
.calctl { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.seg { display: flex; background: var(--panel); border-radius: 9px; padding: 3px; }
.seg button { padding: 5px 14px; border-radius: 7px; color: var(--muted); font-weight: 500; font-size: 14px; }
.seg button:hover { background: var(--raised); color: var(--text); }
.seg button.on { background: var(--hover); color: var(--text); }
.arrows { display: flex; gap: 4px; }
.arrows button { background: var(--panel); border-radius: 8px; padding: 5px 13px; font-size: 14px; font-weight: 500; }
.arrows button:hover { background: var(--raised); }

.stats { display: flex; gap: 28px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat > span { color: var(--muted); font-size: 13px; }
.stat b { font-size: 20px; font-variant-numeric: tabular-nums; }
.pill { display: inline-block; vertical-align: middle; padding: 2px 9px; border-radius: 999px; font-size: 13px; font-weight: 600; }

/* time grid (day + week) */
.grid { display: flex; flex-direction: column; background: var(--panel); border-radius: 12px; overflow: hidden; min-width: 0; }
.gridhead { display: flex; }
.gridbody { display: flex; padding-block: 14px; }
.hours { width: 56px; flex: none; position: relative; }
.hours span { position: absolute; right: 8px; transform: translateY(-50%); color: var(--muted); font-size: 12px; white-space: nowrap; }
.cols { flex: 1; display: flex; min-width: 0; }
.col { flex: 1; min-width: 0; border-left: 1px solid var(--line); display: flex; flex-direction: column; }
.colhead {
  align-items: center; gap: 3px;
  padding: 8px 2px; border-bottom: 1px solid var(--line);
  font-size: 12px; color: var(--muted);
}
.colhead:hover { background: var(--raised); }
.colhead .num { width: 28px; height: 28px; border-radius: 50%; display: grid; place-items: center; color: var(--text); font-weight: 600; font-size: 14px; }
.colhead .tot { font-variant-numeric: tabular-nums; min-height: 17px; }
.colhead.today .dow { color: var(--text); font-weight: 700; }
.lane {
  position: relative;
  border-top: 1px solid var(--line);
  background: repeating-linear-gradient(to bottom, transparent 0, transparent calc(var(--hour) - 1px), var(--line) calc(var(--hour) - 1px), var(--line) var(--hour));
}
.blk {
  position: absolute; left: 4px; right: 4px;
  background: var(--block);
  border-radius: 5px;
  overflow: hidden;
  font-size: 12px; font-weight: 600; line-height: 1.2;
  padding: 2px 7px;
  white-space: nowrap; text-overflow: ellipsis;
}
.blk.live { background: var(--text); color: var(--bg); }

.dayview { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 20px; align-items: start; }
.side { display: flex; flex-direction: column; gap: 18px; min-width: 0; }
.side h3 { margin: 0 0 6px; font-size: 13px; font-weight: 500; color: var(--muted); }
.sessions { list-style: none; margin: 0; padding: 0; font-variant-numeric: tabular-nums; }
.sessions li { display: flex; justify-content: space-between; gap: 12px; padding: 5px 0; }
.sessions .none { color: var(--muted); }
.note {
  display: block; width: 100%; min-height: 84px; resize: none; overflow: hidden;
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 12px; line-height: 1.45;
}

/* status colors: the only color on the page */
.s-green { background: var(--green); }
.s-yellow { background: var(--yellow); }
.s-red { background: var(--red); }
.s-rest { background: var(--rest); }

/* month */
.month { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 4px; }
.month .dow { color: var(--muted); font-size: 12px; text-align: center; padding: 2px 0 4px; }
.cell {
  aspect-ratio: 1.25; min-height: 58px;
  background: var(--panel); border-radius: 8px;
  padding: 7px 9px;
  display: flex; flex-direction: column; justify-content: space-between; align-items: flex-start;
  text-align: left; min-width: 0;
}
.cell.s-green { background: var(--green); }
.cell.s-yellow { background: var(--yellow); }
.cell.s-red { background: var(--red); }
.cell.s-rest { background: var(--rest); }
.cell:hover { filter: brightness(1.12); }
.cell.empty { background: none; pointer-events: none; }
.cell .n { font-weight: 600; }
.cell.today .n { background: var(--text); color: var(--bg); border-radius: 50%; min-width: 24px; height: 24px; display: grid; place-items: center; padding: 0 4px; margin: -2px 0 0 -3px; }
.cell .t { font-size: 13px; font-variant-numeric: tabular-nums; white-space: nowrap; }
.cell.future .n { color: var(--muted); }

/* year */
.year { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 22px 20px; }
.mini h4 { margin: 0 0 6px; font-size: 15px; }
.mini h4 button { font-weight: 700; }
.mini h4 button:hover { text-decoration: underline; }
.minigrid { display: grid; grid-template-columns: repeat(7, minmax(0, 1fr)); gap: 2px; }
.minigrid button, .minigrid i {
  aspect-ratio: 1; border-radius: 3px;
  font-size: 10px; font-style: normal; display: grid; place-items: center;
  font-variant-numeric: tabular-nums;
}
.minigrid button.plain { background: var(--panel); color: var(--muted); }
.minigrid button.today { outline: 1.5px solid var(--text); outline-offset: -1.5px; font-weight: 700; }

.legend { display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 13px; }
.legend span { display: inline-flex; align-items: center; gap: 6px; }
.legend i { width: 11px; height: 11px; border-radius: 3px; display: inline-block; }

/* ---------- modal + toast ---------- */
.veil { position: fixed; inset: 0; background: rgba(20, 20, 20, .75); display: grid; place-items: center; padding: 16px; z-index: 20; }
.modal { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 22px; width: min(400px, 100%); display: flex; flex-direction: column; gap: 16px; }
.modal h2 { margin: 0; font-size: 19px; }
.modal p { margin: 0; color: var(--muted); }
.modal p b { color: var(--text); }
.modal .row { display: flex; gap: 8px; justify-content: flex-end; flex-wrap: wrap; }
.bigcode { font-size: 30px; font-weight: 700; letter-spacing: .02em; text-align: center; }

.toast {
  position: fixed; left: 50%; bottom: calc(24px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%);
  background: var(--hover); border: 1px solid var(--line); border-radius: 10px;
  padding: 10px 16px; z-index: 30; max-width: calc(100% - 32px); text-align: center;
}

@media (max-width: 760px) {
  .dayview { grid-template-columns: minmax(0, 1fr); }
  .year { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .timer { padding-top: 11vh; }
  .hours { width: 46px; }
  .cell { padding: 5px 6px; aspect-ratio: auto; }
  .cell .t { font-size: 10px; white-space: normal; line-height: 1.2; }
  .caltitle { font-size: 22px; }
  .colhead .tot { font-size: 10px; }
  .stats { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px 20px; }
  .side .stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .grid.week .blk { font-size: 0; padding: 0; left: 3px; right: 3px; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }