:root {
  color-scheme: light;
  --bg: #eef1f8;
  --surface: #ffffff;
  --surface-alt: #f7f9fd;
  --ink: #1f3864;
  --ink-soft: #5f7092;
  --ink-faint: #92a0bd;
  --rule: #ccd6ea;
  --rule-strong: #2f5496;
  --head-bg: #4a6699;
  --head-ink: #ffffff;
  --sunday: #f0b429;
  --cream: #fbf4dc;
  --inactive: #dde3ef;
  --accent: #3c5488;
  --accent-ink: #ffffff;
  --good: #4c8b3c;
  --ok: #c8a318;
  --warn: #dd8f2b;
  --bad: #bf4b45;
  --shadow: 0 10px 30px rgba(20, 35, 70, .18);
  --radius: 14px;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --bg: #0f131c;
    --surface: #1a2130;
    --surface-alt: #141a26;
    --ink: #dde5f6;
    --ink-soft: #93a3c2;
    --ink-faint: #64738f;
    --rule: #2c3648;
    --rule-strong: #5a7ab5;
    --head-bg: #2b3a58;
    --head-ink: #eaf0fd;
    --cream: #2a2a1f;
    --inactive: #27303f;
    --accent: #5b7fc0;
    --shadow: 0 10px 30px rgba(0, 0, 0, .5);
  }
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #0f131c;
  --surface: #1a2130;
  --surface-alt: #141a26;
  --ink: #dde5f6;
  --ink-soft: #93a3c2;
  --ink-faint: #64738f;
  --rule: #2c3648;
  --rule-strong: #5a7ab5;
  --head-bg: #2b3a58;
  --head-ink: #eaf0fd;
  --cream: #2a2a1f;
  --inactive: #27303f;
  --accent: #5b7fc0;
  --shadow: 0 10px 30px rgba(0, 0, 0, .5);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.45 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  overscroll-behavior-y: none;
}

body {
  padding: env(safe-area-inset-top) env(safe-area-inset-right)
           env(safe-area-inset-bottom) env(safe-area-inset-left);
}

button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

/* ---------- header ---------- */

.topbar {
  position: sticky;
  top: 0;
  z-index: 30;
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 16px 10px;
  background: var(--bg);
  border-bottom: 1px solid var(--rule);
}

.topbar h1 {
  margin: 0;
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -.01em;
}

.topbar .meta {
  margin: 2px 0 0;
  font-size: 12px;
  color: var(--ink-soft);
}

.topbar .meta .stale { color: var(--warn); }

/* Sits between the header and the week bar, so a dead Garmin token is the
   first thing seen rather than something noticed days later. */
.tokenbar {
  display: block;
  width: 100%;
  border: 0;
  border-bottom: 1px solid var(--rule);
  padding: 10px 16px;
  font: inherit;
  font-size: 13px;
  font-weight: 600;
  line-height: 1.35;
  text-align: left;
  cursor: pointer;
  color: #3a2a06;
  background: #fdf0d5;
  -webkit-tap-highlight-color: transparent;
}

.tokenbar[data-level="dead"] {
  color: #4a1512;
  background: #fbdedc;
}

.tokenbar[hidden] { display: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) .tokenbar { color: #f6e2bd; background: #3a2c10; }
  :root:not([data-theme="light"]) .tokenbar[data-level="dead"] { color: #f8d6d3; background: #431916; }
}

:root[data-theme="dark"] .tokenbar { color: #f6e2bd; background: #3a2c10; }
:root[data-theme="dark"] .tokenbar[data-level="dead"] { color: #f8d6d3; background: #431916; }

/* A command the user copies out to a terminal: must wrap, never be truncated,
   and stay selectable when the clipboard API is unavailable. */
.sheet .cmd {
  display: block;
  margin-top: 6px;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--surface-alt);
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
  overflow-wrap: anywhere;
  user-select: all;
}

.linkish {
  border: 0;
  padding: 0;
  background: none;
  font: inherit;
  color: var(--accent);
  text-decoration: underline;
  cursor: pointer;
}

@media print {
  .tokenbar { display: none !important; }
}

.topbar .grow { flex: 1; min-width: 0; }

.icon-button {
  flex: none;
  width: 38px;
  height: 38px;
  border: 1px solid var(--rule);
  border-radius: 11px;
  background: var(--surface);
  color: var(--ink);
  font-size: 17px;
  display: grid;
  place-items: center;
}

.icon-button[data-busy="true"] { opacity: .5; }

/* ---------- week bar ---------- */

.weekbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  gap: 6px;
  padding: 10px 16px;
  background: var(--bg);
}

.weekbar button {
  flex: 1;
  padding: 8px 4px;
  border: 1px solid var(--rule);
  border-radius: 10px;
  background: var(--surface);
  color: var(--ink-soft);
  font-size: 13px;
  font-weight: 600;
}

.weekbar button.jump {
  flex: 0 0 auto;
  padding: 8px 12px;
  color: var(--accent);
  font-weight: 600;
}

.weekbar button[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

/* ---------- grid ---------- */

main { padding: 0 16px 40px; }

.grid-frame {
  background: var(--surface);
  border: 1px solid var(--rule-strong);
  border-radius: var(--radius);
  overflow: hidden;
}

.grid-wrap {
  overflow-x: auto;
  scroll-padding-left: 92px;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

.grid-wrap::-webkit-scrollbar { display: none; }

.rail {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 12px 9px;
  border-top: 1px solid var(--rule);
  background: var(--surface-alt);
}

.rail-hint {
  flex: none;
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: .02em;
}

.rail-track {
  flex: 1;
  height: 4px;
  border-radius: 999px;
  background: var(--rule);
  overflow: hidden;
}

.rail-thumb {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--accent);
}

/* week boundaries stay legible once the days scroll past the pinned column */
table.grid th.weekstart, table.grid td.weekstart { border-left: 2px solid var(--rule-strong); }

table.grid {
  border-collapse: separate;
  border-spacing: 0;
  width: 100%;
  table-layout: fixed;
}

table.grid th, table.grid td {
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  padding: 0;
  text-align: center;
  font-size: 13px;
}

table.grid tr > *:last-child { border-right: 0; }
table.grid tr:last-child > * { border-bottom: 0; }

table.grid th.rowhead, table.grid td.rowhead {
  position: sticky;
  left: 0;
  z-index: 5;
  width: 92px;
  min-width: 92px;
  max-width: 92px;
  box-shadow: 6px 0 8px -7px rgba(20, 35, 70, .22);
  text-align: left;
  padding: 7px 9px;
  background: var(--surface);
  border-right: 2px solid var(--rule-strong);
  font-weight: 500;
  font-size: 12.5px;
  line-height: 1.25;
  color: var(--ink);
}

thead th {
  background: var(--head-bg);
  color: var(--head-ink);
  font-weight: 600;
  padding: 6px 2px;
  border-color: rgba(255, 255, 255, .22);
}

table.grid thead th.rowhead {
  background: var(--head-bg);
  color: var(--head-ink);
  font-size: 12px;
  border-right-color: rgba(255, 255, 255, .35);
}

thead th.dayname, thead th.daynum { width: 66px; min-width: 66px; max-width: 66px; }
thead th.daynum { scroll-snap-align: start; }

thead th.weekgroup { font-size: 12px; letter-spacing: .02em; }
thead th.dayname { font-size: 11px; opacity: .9; font-weight: 500; }
thead th.daynum { font-size: 13px; }
thead th.sunday { color: var(--sunday); }
thead th.today { box-shadow: inset 0 -3px 0 var(--sunday); }

td.day {
  height: 44px;  /* Apple's minimum comfortable touch target */
  vertical-align: middle;
}

td.day.today { background: color-mix(in srgb, var(--accent) 10%, transparent); }
td.day.inactive { background: var(--inactive); }
td.day.future { opacity: .55; }

tr.summary td.rowhead,
tr.summary td.day { background: var(--cream); }
tr.summary td.rowhead { font-weight: 700; }
tr.summary td.day.today { background: color-mix(in srgb, var(--accent) 14%, var(--cream)); }

tr.section-start td { border-top: 2px solid var(--rule-strong); }

.cell {
  width: 100%;
  height: 44px;
  border: 0;
  background: none;
  display: grid;
  place-items: center;
  font-size: 14px;
  padding: 0;
}

.cell:disabled { cursor: default; }

.check { color: var(--good); display: grid; place-items: center; }
.check.miss { color: var(--bad); }
.check.off { color: var(--ink-faint); opacity: .25; font-size: 15px; }

.tick-svg { width: 18px; height: 18px; display: block; }

.value { font-weight: 600; font-variant-numeric: tabular-nums; }
.value.auto { font-weight: 400; opacity: .72; }
.value.empty { color: var(--ink-faint); opacity: .4; }

.value.e1 { color: var(--bad); }
.value.e2 { color: var(--warn); }
.value.e3 { color: var(--ok); }
.value.e4, .value.e5 { color: var(--good); }
.value.pos { color: var(--good); }
.value.steps { font-size: 13px; font-weight: 600; color: var(--ink-soft); }
.value.neg { color: var(--bad); }

.hours {
  display: grid;
  gap: 1px;
  font-size: 10.5px;
  line-height: 1.15;
  font-variant-numeric: tabular-nums;
  color: var(--ink-soft);
}

.hours b { font-weight: 600; color: var(--ink); }

.note-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--accent); }
.note-dot.empty { background: var(--ink-faint); opacity: .22; }

/* ---------- notes list ---------- */

.notes {
  margin-top: 18px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  overflow: hidden;
}

.notes h2 {
  margin: 0;
  padding: 12px 14px 8px;
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink-soft);
}

.notes button {
  display: flex;
  gap: 10px;
  width: 100%;
  text-align: left;
  padding: 10px 14px;
  border: 0;
  border-top: 1px solid var(--rule);
  background: none;
}

.notes .when { flex: none; width: 62px; font-weight: 600; font-size: 12.5px; color: var(--ink-soft); }
.notes .what { flex: 1; min-width: 0; font-size: 13.5px; }
.notes .what.empty { color: var(--ink-faint); }

/* ---------- legend ---------- */

.legend { margin-top: 18px; display: grid; gap: 12px; }

.card {
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 13px 15px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-soft);
}

.card b, .card strong { color: var(--ink); }
.card h2 { margin: 0 0 8px; font-size: 14px; color: var(--ink); }

.scale { display: grid; gap: 8px; margin-top: 4px; }

.scale-row { display: flex; gap: 10px; align-items: flex-start; }

.scale-badge {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: #fff;
  font-weight: 700;
}

.scale-badge.s1 { background: #bf4b45; }
.scale-badge.s2 { background: #dd8f2b; }
.scale-badge.s3 { background: #c8a318; }
.scale-badge.s4 { background: #6aa84f; }
.scale-badge.s5 { background: #4c8b3c; }

.scale-row b { color: var(--ink); }

/* ---------- sheets ---------- */

.overlay {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  background: rgba(12, 20, 40, .45);
  backdrop-filter: blur(2px);
}

.overlay[hidden] { display: none; }

.sheet {
  width: 100%;
  max-width: 560px;
  max-height: 88vh;
  overflow-y: auto;
  background: var(--surface);
  border-radius: 20px 20px 0 0;
  box-shadow: var(--shadow);
  padding: 18px 18px calc(18px + env(safe-area-inset-bottom));
  animation: rise .18s ease-out;
}

@keyframes rise { from { transform: translateY(14px); opacity: .4; } }

@media (min-width: 700px) {
  .overlay { align-items: center; }
  .sheet { border-radius: 20px; }
}

.sheet h2 { margin: 0 0 2px; font-size: 17px; }
.sheet .sheet-sub { margin: 0 0 14px; font-size: 13px; color: var(--ink-soft); }
.sheet h3 {
  margin: 20px 0 8px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink-soft);
}

.choices { display: grid; grid-template-columns: repeat(5, 1fr); gap: 8px; }

.choices button {
  padding: 14px 0;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: var(--surface-alt);
  font-size: 18px;
  font-weight: 700;
}

.choices button[aria-pressed="true"] {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--accent-ink);
}

.field { display: grid; gap: 6px; margin-bottom: 12px; }
.field label { font-size: 12.5px; color: var(--ink-soft); }

input[type="text"], input[type="date"], input[type="number"], input[type="url"],
select, textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--rule);
  border-radius: 11px;
  background: var(--surface-alt);
}

textarea { min-height: 130px; resize: vertical; }

.row-actions { display: flex; gap: 8px; margin-top: 16px; }

.btn {
  flex: 1;
  padding: 12px;
  border: 1px solid var(--rule);
  border-radius: 12px;
  background: var(--surface-alt);
  font-weight: 600;
}

.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.danger { color: var(--bad); }
.btn.slim { flex: none; padding: 10px 14px; }

.hint { font-size: 12px; color: var(--ink-soft); margin: 6px 0 0; }

.habit-editor { display: grid; gap: 8px; }

.habit-row {
  display: grid;
  grid-template-columns: 1fr 84px 38px;
  gap: 6px;
  align-items: center;
}

.habit-row button {
  height: 40px;
  border: 1px solid var(--rule);
  border-radius: 11px;
  background: var(--surface-alt);
  color: var(--bad);
}

.cycle-list { display: grid; gap: 6px; }

.cycle-list button {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  padding: 11px 13px;
  border: 1px solid var(--rule);
  border-radius: 11px;
  background: var(--surface-alt);
  text-align: left;
  font-size: 13.5px;
}

.cycle-list button[aria-pressed="true"] { border-color: var(--accent); color: var(--accent); font-weight: 600; }

.toast {
  position: fixed;
  left: 50%;
  bottom: calc(22px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  z-index: 200;
  padding: 10px 16px;
  border-radius: 999px;
  background: var(--ink);
  color: var(--bg);
  font-size: 13px;
  box-shadow: var(--shadow);
}

.toast[hidden] { display: none; }

/* ---------- wide screens: whole 28-day block ---------- */

@media (min-width: 900px) {
  .weekbar, .notes, .rail { display: none; }
  .grid-wrap { scroll-snap-type: none; }
  table.grid thead th.dayname,
  table.grid thead th.daynum { width: auto; min-width: 0; max-width: none; }
  main { padding: 14px 20px 48px; }
  table.grid th.rowhead, table.grid td.rowhead {
    width: 210px; min-width: 210px; max-width: 210px; font-size: 13.5px;
    box-shadow: none;
  }
  table.grid th, table.grid td { font-size: 13px; }
  .legend { grid-template-columns: 1fr 1fr; align-items: start; }
  .legend .wide { grid-column: 1 / -1; }
  .scale { grid-template-columns: repeat(5, 1fr); }
  .scale-row { flex-direction: column; align-items: center; text-align: center; gap: 6px; }
}

/* ---------- unlock gate ---------- */

:root[data-locked] .topbar,
:root[data-locked] .tokenbar,
:root[data-locked] .weekbar,
:root[data-locked] main { display: none; }

.gate {
  position: fixed;
  inset: 0;
  z-index: 500;
  display: grid;
  place-items: center;
  padding: 24px;
  background: var(--bg);
}

.gate[hidden] { display: none; }

.gate-card {
  width: 100%;
  max-width: 340px;
  background: var(--surface);
  border: 1px solid var(--rule);
  border-radius: var(--radius);
  padding: 26px 22px;
  box-shadow: var(--shadow);
  text-align: center;
}

.gate-card h1 { margin: 0 0 6px; font-size: 19px; }

.gate-card p {
  margin: 0 0 18px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-soft);
}

.gate-card input { margin-bottom: 12px; text-align: center; }
.gate-card .btn { width: 100%; }

.gate-error {
  margin: 12px 0 0 !important;
  color: var(--bad) !important;
  font-weight: 600;
}

.gate-error[hidden] { display: none; }

/* ---------- printable sheet ---------- */

/* Built on demand and only ever shown to the printer. */
.printsheet { display: none; }

@media print {
  @page { size: A4 landscape; margin: 9mm; }

  html, body {
    background: #fff;
    color: #1f3864;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  }

  body > *:not(.printsheet) { display: none !important; }

  .printsheet {
    display: block;
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .printsheet h1 {
    margin: 0 0 2pt;
    font-size: 17pt;
    font-weight: 700;
    letter-spacing: -.01em;
  }

  .printsheet .sub { margin: 0 0 7pt; font-size: 7.6pt; color: #4a5878; }

  /* The screen layout hides things at wide viewports, and an A4 landscape page
     is a wide viewport. Restate the display of everything inside the sheet so
     no screen rule can collapse a row. */
  .printsheet table.psheet { display: table; }
  .printsheet thead { display: table-header-group; }
  .printsheet tbody { display: table-row-group; }
  .printsheet tr { display: table-row; }
  .printsheet th, .printsheet td { display: table-cell; }

  table.psheet {
    width: 100%;
    border-collapse: collapse;
    table-layout: fixed;
    font-size: 7.4pt;
  }

  table.psheet th, table.psheet td {
    border: .4pt solid #9fb0cd;
    padding: 0;
    text-align: center;
    vertical-align: middle;
  }

  table.psheet .lab {
    width: 41mm;
    text-align: left;
    padding: 2.6pt 4pt;
    font-weight: 400;
    line-height: 1.2;
  }

  table.psheet thead th {
    background: #4a6699;
    color: #fff;
    font-weight: 600;
    padding: 2.4pt 0;
    border-color: #3c5488;
  }

  table.psheet thead .lab { color: #fff; font-weight: 600; }
  table.psheet thead th.sun { color: #f0b429; }
  table.psheet thead tr.nums th { font-size: 8pt; }

  table.psheet tbody td { height: 8mm; }
  table.psheet td.off { background: #dde3ef; }
  table.psheet .weekstart { border-left: 1pt solid #2f5496; }

  table.psheet tr.sum td, table.psheet tr.sum .lab { background: #fbf4dc; }
  table.psheet tr.sum .lab { font-weight: 700; }
  table.psheet tr.first-sum td, table.psheet tr.first-sum .lab { border-top: 1pt solid #2f5496; }

  table.psheet .tick { display: inline-block; color: #2f5496; }
  table.psheet .tick.miss { color: #bf4b45; }
  table.psheet .tick .tick-svg { width: 11pt; height: 11pt; }
  table.psheet .num { font-size: 9pt; font-weight: 700; font-variant-numeric: tabular-nums; }

  table.psheet tr.pnotes td { height: 32mm; vertical-align: bottom; }
  table.psheet tr.pnotes .lab { vertical-align: top; font-weight: 700; }
  table.psheet tr.pnotes .lab small { display: block; font-weight: 400; font-size: 6.4pt; color: #4a5878; }

  .vnote {
    writing-mode: vertical-rl;
    transform: rotate(180deg);
    display: block;
    max-height: 30mm;
    margin: 1mm auto;
    font-size: 7pt;
    line-height: 1.25;
    text-align: left;
    overflow: hidden;
  }

  .printsheet .howto {
    margin: 5pt 0 0;
    padding: 4.5pt 6pt;
    border: .4pt solid #9fb0cd;
    background: #eef2f9;
    font-size: 7.4pt;
    line-height: 1.45;
  }

  .printsheet h2 {
    margin: 6pt 0 3pt;
    font-size: 8.6pt;
    font-weight: 700;
  }

  .printsheet .pscale {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 5pt;
    padding: 4pt 6pt;
    border: .4pt solid #d8c98c;
    background: #fdf9ec;
  }

  .printsheet .pscale div { text-align: center; }

  .printsheet .badge {
    display: inline-block;
    width: 15pt;
    height: 15pt;
    line-height: 15pt;
    border-radius: 2.5pt;
    color: #fff;
    font-weight: 700;
    font-size: 9pt;
  }

  .printsheet .s1 { background: #bf4b45; }
  .printsheet .s2 { background: #dd8f2b; }
  .printsheet .s3 { background: #c8a318; }
  .printsheet .s4 { background: #6aa84f; }
  .printsheet .s5 { background: #4c8b3c; }

  .printsheet .pscale b { display: block; margin-top: 2pt; font-size: 7.4pt; }
  .printsheet .pscale span { display: block; font-size: 6.8pt; line-height: 1.3; color: #4a5878; }

  .printsheet .fine {
    margin: 3.5pt 0 0;
    font-size: 6.9pt;
    line-height: 1.45;
    color: #40506f;
  }

  .printsheet .fine b { color: #1f3864; }
}