/* ---------- design tokens ---------- */
:root {
  --bg: #f7f5f0;
  --page: #fffdf8;
  --ink: #23292f;
  --ink-soft: #6b7280;
  --line: #e4e0d6;
  --line-strong: #cfc9ba;
  --accent: #2f5f8f;
  --accent-ink: #ffffff;
  --danger: #b4432f;
  --ok: #2f7d4f;
  --warn: #b07a1e;
  --card-shadow: 0 1px 3px rgba(40, 35, 20, 0.08);
  --cat-deep: #4956b8;
  --cat-deep-bg: #e6e9fb;
  --cat-shallow: #9a6b13;
  --cat-shallow-bg: #f7ecd4;
  --cat-comms: #1d6f8a;
  --cat-comms-bg: #dcf0f6;
  --cat-break: #3d7d4f;
  --cat-break-bg: #e0f1e3;
  --rowh: 48px;
  --gutter: 52px;
  /* chart marks — validated categorical palette (see dataviz skill) */
  --ch-deep: #4f5fd6;
  --ch-shallow: #cc740d;
  --ch-comms: #0e8db4;
  --ch-break: #2f9e57;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171c;
    --page: #1c2027;
    --ink: #e6e4de;
    --ink-soft: #9aa0a8;
    --line: #2c313a;
    --line-strong: #3d434e;
    --accent: #7fa8d0;
    --accent-ink: #10141a;
    --danger: #e0705c;
    --ok: #6fbf8b;
    --warn: #d9a94e;
    --card-shadow: 0 1px 3px rgba(0, 0, 0, 0.4);
    --cat-deep: #a8b2f0;
    --cat-deep-bg: #2b3050;
    --cat-shallow: #e0bc75;
    --cat-shallow-bg: #443921;
    --cat-comms: #83cbe0;
    --cat-comms-bg: #1d3a44;
    --cat-break: #8fd3a4;
    --cat-break-bg: #223d2b;
    --ch-deep: #6478e8;
    --ch-shallow: #bf8114;
    --ch-comms: #1f95ba;
    --ch-break: #34a05c;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  padding-bottom: env(safe-area-inset-bottom);
}
button, input, select, textarea { font: inherit; color: inherit; }
h2, h3, h4 { margin: 0; }

/* ---------- top bar & tabs ---------- */
.topbar {
  position: sticky; top: 0; z-index: 30;
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px calc(10px);
  background: var(--page);
  border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; letter-spacing: 0.2px; white-space: nowrap; }
.tabs { display: flex; gap: 2px; margin-left: auto; }
.tabs a {
  padding: 6px 12px; border-radius: 8px;
  color: var(--ink-soft); text-decoration: none; font-weight: 600; font-size: 14px;
}
.tabs a.active { background: var(--accent); color: var(--accent-ink); }
.sync-dot {
  width: 10px; height: 10px; border-radius: 50%; flex: none;
  background: var(--line-strong);
}
.sync-dot[data-state="synced"] { background: var(--ok); }
.sync-dot[data-state="pending"], .sync-dot[data-state="syncing"] { background: var(--warn); }
.sync-dot[data-state="offline"] { background: var(--ink-soft); }
.sync-dot[data-state="error"] { background: var(--danger); }

/* mobile: tabs as bottom bar */
@media (max-width: 899px) {
  .topbar { padding-right: 16px; }
  .tabs {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 30;
    margin: 0; gap: 0;
    display: grid; grid-template-columns: repeat(4, 1fr);
    background: var(--page);
    border-top: 1px solid var(--line);
    padding: 6px 8px calc(6px + env(safe-area-inset-bottom));
  }
  .tabs a { text-align: center; padding: 8px 4px; }
  body { padding-bottom: 64px; }
}

#view { max-width: 1200px; margin: 0 auto; padding: 12px 12px 40px; }

/* ---------- shared bits ---------- */
.card {
  background: var(--page);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: var(--card-shadow);
  padding: 14px;
  margin-bottom: 12px;
}
.card > h3 {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-soft); margin-bottom: 10px;
}
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  border: 1px solid var(--line-strong); border-radius: 9px;
  background: var(--page); color: var(--ink);
  padding: 8px 14px; font-weight: 600; cursor: pointer;
}
.btn:active { transform: translateY(1px); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.danger { color: var(--danger); border-color: var(--danger); }
.btn.small { padding: 4px 10px; font-size: 13px; }
.btn.ghost { border-color: transparent; background: transparent; color: var(--ink-soft); }
input[type="text"], input[type="number"], input[type="time"], select, textarea {
  width: 100%;
  border: 1px solid var(--line-strong); border-radius: 9px;
  background: var(--bg); padding: 8px 10px;
}
textarea { resize: vertical; min-height: 90px; }
label { user-select: none; }
.muted { color: var(--ink-soft); }
.banner {
  display: flex; align-items: center; gap: 10px;
  background: var(--cat-shallow-bg); color: var(--ink);
  border: 1px solid var(--warn); border-radius: 12px;
  padding: 10px 14px; margin-bottom: 12px; font-weight: 600;
}
.banner a { color: inherit; }

/* ---------- update banner ---------- */
.update-banner {
  position: fixed; left: 12px; right: 12px; bottom: 12px; z-index: 45;
  display: flex; align-items: center; justify-content: center; gap: 8px;
  background: var(--accent); color: var(--accent-ink);
  border-radius: 12px; padding: 12px 16px;
  font-weight: 700; text-align: center; cursor: pointer;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.22);
  animation: update-in 0.2s ease-out;
}
@keyframes update-in {
  from { transform: translateY(12px); opacity: 0; }
  to { transform: translateY(0); opacity: 1; }
}
@media (max-width: 899px) {
  .update-banner { bottom: calc(70px + env(safe-area-inset-bottom)); }
}

/* ---------- day view ---------- */
.day-nav {
  display: flex; align-items: center; gap: 8px; margin: 4px 2px 12px;
}
.day-nav h2 { font-size: 19px; flex: 1; text-align: center; }
.spread { display: block; }
@media (min-width: 900px) {
  .spread { display: grid; grid-template-columns: 340px 1fr; gap: 16px; align-items: start; }
  .left-page { position: sticky; top: 64px; }
}

/* metrics */
.metric-row {
  display: flex; align-items: center; gap: 10px;
  padding: 7px 0; border-bottom: 1px dotted var(--line);
}
.metric-row:last-of-type { border-bottom: 0; }
.metric-row .m-name { flex: 1; }
.metric-row input[type="text"] { width: 130px; }
.counter { display: inline-flex; align-items: center; gap: 8px; }
.counter button {
  width: 30px; height: 30px; border-radius: 50%;
  border: 1px solid var(--line-strong); background: var(--bg); cursor: pointer;
  font-size: 16px; line-height: 1;
}
.counter .c-val { min-width: 24px; text-align: center; font-weight: 700; }
.switch { position: relative; width: 44px; height: 26px; flex: none; }
.switch input { opacity: 0; width: 100%; height: 100%; margin: 0; position: absolute; cursor: pointer; z-index: 1; }
.switch .knob {
  position: absolute; inset: 0; border-radius: 13px;
  background: var(--line-strong); transition: background 0.15s;
}
.switch .knob::after {
  content: ""; position: absolute; top: 3px; left: 3px;
  width: 20px; height: 20px; border-radius: 50%; background: var(--page);
  transition: left 0.15s;
}
.switch input:checked + .knob { background: var(--ok); }
.switch input:checked + .knob::after { left: 21px; }

.shutdown-row {
  margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--line);
  display: flex; align-items: center; gap: 10px; font-weight: 700; cursor: pointer;
}
.shutdown-row.done { color: var(--ok); }

/* capture */
.cap-entry { display: flex; gap: 8px; margin-bottom: 10px; }
.cap-entry .seg { display: inline-flex; border: 1px solid var(--line-strong); border-radius: 9px; overflow: hidden; flex: none; }
.seg button {
  border: 0; background: transparent; padding: 8px 12px; cursor: pointer;
  font-weight: 600; color: var(--ink-soft);
}
.seg button.on { background: var(--accent); color: var(--accent-ink); }
.cap-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.cap-col h4 {
  font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-soft); margin-bottom: 6px;
}
.cap-col ul { list-style: none; margin: 0; padding: 0; }
.cap-col li {
  display: flex; align-items: baseline; gap: 6px;
  padding: 5px 0; border-bottom: 1px dotted var(--line); font-size: 14px;
  overflow-wrap: anywhere;
}
.cap-col li .x { margin-left: auto; color: var(--ink-soft); background: none; border: 0; cursor: pointer; }
.cap-col li.done-item { text-decoration: line-through; color: var(--ink-soft); }

/* iteration bar */
.iter-bar { display: flex; align-items: center; gap: 8px; margin-bottom: 8px; }
.iter-tabs { display: flex; gap: 4px; flex: 1; overflow-x: auto; }
.iter-tab {
  border: 1px solid var(--line-strong); background: var(--page);
  border-radius: 8px; padding: 5px 12px; font-size: 13px; font-weight: 600;
  color: var(--ink-soft); cursor: pointer; white-space: nowrap;
}
.iter-tab.on { background: var(--ink); color: var(--page); border-color: var(--ink); }
.fix-btn { flex: none; }
.add-btn { flex: none; }

/* grid — a single scroll box with a frozen time gutter (sticky left) and
   sticky column headers (top); the full 24h scrolls within it. */
.grid-scroll {
  position: relative;
  max-height: 68vh;
  overflow: auto;
  background: var(--page);
  border: 1px solid var(--line); border-radius: 12px;
  box-shadow: var(--card-shadow);
  scroll-snap-type: x proximity;
  overscroll-behavior: contain;
}
@media (max-width: 899px) { .grid-scroll { max-height: 62vh; } }
.grid-inner { display: flex; min-width: 100%; }
.time-gutter {
  width: var(--gutter); flex: none;
  position: sticky; left: 0; z-index: 5;
  background: var(--page); border-right: 1px solid var(--line);
}
.time-gutter .t-label {
  position: absolute; right: 6px; transform: translateY(-55%);
  font-size: 11px; color: var(--ink-soft); font-variant-numeric: tabular-nums;
}
.grid-col {
  position: relative; flex: 1 0 82vw;
  scroll-snap-align: start;
  border-right: 1px solid var(--line);
}
@media (min-width: 900px) {
  .grid-col { flex: 1 1 0; min-width: 180px; }
}
.grid-col:last-child { border-right: 0; }
.grid-col.past-iter { background: color-mix(in srgb, var(--bg) 60%, var(--page)); }
.col-head {
  position: sticky; top: 0; z-index: 3;
  text-align: center; font-size: 11px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--ink-soft);
  padding: 4px 0;
  border-bottom: 1px solid var(--line);
  background: var(--page);
}
.col-head.corner { z-index: 6; }
.offhours {
  position: absolute; left: 0; right: 0; z-index: 0;
  background: color-mix(in srgb, var(--bg) 55%, transparent);
  pointer-events: none;
}
.grid-body { position: relative; }
.hline { position: absolute; left: 0; right: 0; height: 0; border-top: 1px solid var(--line); }
.hline.hour { border-top-color: var(--line-strong); }
.hline.half { border-top-style: dotted; }
.now-line {
  position: absolute; left: 0; right: 0; height: 0;
  border-top: 2px solid var(--danger); z-index: 4; pointer-events: none;
}
.now-line::before {
  content: ""; position: absolute; left: -4px; top: -5px;
  width: 8px; height: 8px; border-radius: 50%; background: var(--danger);
}

/* blocks */
.tblock {
  position: absolute; left: 6px; right: 6px; z-index: 2;
  border-radius: 8px; padding: 5px 8px;
  background: var(--cat-deep-bg); color: var(--ink);
  border: 1px solid color-mix(in srgb, var(--cat-deep) 45%, transparent);
  border-left: 4px solid var(--cat-deep);
  overflow: hidden; cursor: pointer;
  font-size: 13px; line-height: 1.3;
}
.tblock[data-cat="shallow"] { background: var(--cat-shallow-bg); border-color: color-mix(in srgb, var(--cat-shallow) 45%, transparent); border-left-color: var(--cat-shallow); }
.tblock[data-cat="comms"] { background: var(--cat-comms-bg); border-color: color-mix(in srgb, var(--cat-comms) 45%, transparent); border-left-color: var(--cat-comms); }
.tblock[data-cat="break"] { background: var(--cat-break-bg); border-color: color-mix(in srgb, var(--cat-break) 45%, transparent); border-left-color: var(--cat-break); }
.tblock .b-label { font-weight: 600; overflow-wrap: anywhere; }
.tblock .b-time { font-size: 11px; color: var(--ink-soft); font-variant-numeric: tabular-nums; }
.tblock .b-badges { position: absolute; right: 6px; top: 4px; display: flex; gap: 4px; font-size: 11px; color: var(--ink-soft); }
.tblock.struck { opacity: 0.55; }
.tblock.struck .b-label, .tblock.struck .b-time { text-decoration: line-through 2px; }
.tblock.done-block { opacity: 0.8; }
.tblock.done-block .b-label::before { content: "✓ "; color: var(--ok); font-weight: 800; }
.tblock.conditional {
  background: repeating-linear-gradient(135deg, var(--cat-deep-bg), var(--cat-deep-bg) 12px, transparent 12px, transparent 16px);
}
.cond-prompt { display: flex; gap: 6px; margin-top: 4px; }
.cond-prompt button { font-size: 11px; padding: 2px 8px; }

/* block editor sheet */
.modal-scrim {
  position: fixed; inset: 0; z-index: 50;
  background: rgba(10, 10, 10, 0.45);
  display: flex; align-items: flex-end; justify-content: center;
}
@media (min-width: 700px) { .modal-scrim { align-items: center; } }
.sheet {
  background: var(--page); color: var(--ink);
  width: 100%; max-width: 560px; max-height: 88vh; overflow-y: auto;
  border-radius: 16px 16px 0 0; padding: 18px 18px calc(18px + env(safe-area-inset-bottom));
}
@media (min-width: 700px) { .sheet { border-radius: 16px; } }
.sheet h3 { margin-bottom: 12px; }
.form-row { margin-bottom: 12px; }
.form-row > label:first-child { display: block; font-size: 12px; font-weight: 700; color: var(--ink-soft); margin-bottom: 4px; }
.form-grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.time12 { display: flex; gap: 6px; }
.time12 select {
  flex: 1 1 0; min-width: 0;
  border: 1px solid var(--line-strong); border-radius: 9px;
  background: var(--bg); padding: 8px 6px;
  font-variant-numeric: tabular-nums; text-align: center;
}
.time12 .tp-ap { flex: 0 0 62px; }
.settings-row .time12 { width: 190px; flex: none; }
.chip {
  border: 1px dashed var(--line-strong); background: transparent; color: var(--ink-soft);
  border-radius: 999px; padding: 3px 10px; font-size: 12px; cursor: pointer;
}
.chip:hover { color: var(--accent); border-color: var(--accent); }
.subtask-row { display: flex; align-items: center; gap: 8px; padding: 3px 0; }
.subtask-row input[type="text"] { flex: 1; }
.sheet-actions { display: flex; gap: 8px; margin-top: 16px; }
.sheet-actions .spacer { flex: 1; }
.cat-seg { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.cat-seg button {
  border: 1px solid var(--line-strong); border-radius: 8px; padding: 7px 4px;
  background: var(--bg); cursor: pointer; font-size: 13px; font-weight: 600;
}
.cat-seg button.on[data-cat="deep"] { background: var(--cat-deep-bg); border-color: var(--cat-deep); color: var(--cat-deep); }
.cat-seg button.on[data-cat="shallow"] { background: var(--cat-shallow-bg); border-color: var(--cat-shallow); color: var(--cat-shallow); }
.cat-seg button.on[data-cat="comms"] { background: var(--cat-comms-bg); border-color: var(--cat-comms); color: var(--cat-comms); }
.cat-seg button.on[data-cat="break"] { background: var(--cat-break-bg); border-color: var(--cat-break); color: var(--cat-break); }

/* shutdown wizard */
.wizard-steps { display: flex; gap: 6px; margin-bottom: 14px; }
.wizard-steps .w-dot { flex: 1; height: 4px; border-radius: 2px; background: var(--line); }
.wizard-steps .w-dot.on { background: var(--accent); }
.triage-item { display: flex; align-items: center; gap: 8px; padding: 8px 0; border-bottom: 1px dotted var(--line); }
.triage-item .t-text { flex: 1; overflow-wrap: anywhere; }
.big-toggle {
  display: flex; align-items: center; justify-content: center; gap: 12px;
  padding: 22px; border-radius: 14px; border: 2px solid var(--ok);
  background: color-mix(in srgb, var(--ok) 12%, var(--page));
  font-size: 18px; font-weight: 800; cursor: pointer; width: 100%;
}
.rest-overlay {
  position: fixed; inset: 0; z-index: 40;
  background: color-mix(in srgb, var(--bg) 88%, black);
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 14px; text-align: center; padding: 24px;
}
.rest-overlay .moon { font-size: 56px; }
.rest-overlay h2 { font-size: 22px; }

/* week view */
.week-nav { display: flex; align-items: center; gap: 8px; margin: 4px 2px 12px; }
.week-nav h2 { font-size: 19px; flex: 1; text-align: center; }
.tmpl-chips { display: flex; gap: 8px; margin-bottom: 8px; flex-wrap: wrap; }
.weekend-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
@media (max-width: 520px) { .weekend-grid { grid-template-columns: 1fr; } }
.wcap-list { list-style: none; margin: 0; padding: 0; }
.wcap-list li { display: flex; align-items: center; gap: 8px; padding: 7px 0; border-bottom: 1px dotted var(--line); }
.wcap-list li .t-text { flex: 1; overflow-wrap: anywhere; }
.wcap-list li.processed { color: var(--ink-soft); text-decoration: line-through; }

/* stats */
.stats-grid { display: grid; gap: 12px; grid-template-columns: 1fr; }
@media (min-width: 900px) { .stats-grid { grid-template-columns: 1fr 1fr; } }
.stat-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); gap: 10px; margin-bottom: 12px; }
.stat-tile {
  background: var(--page); border: 1px solid var(--line); border-radius: 12px;
  padding: 12px 14px; box-shadow: var(--card-shadow);
}
.stat-tile .st-num { font-size: 24px; font-weight: 800; font-variant-numeric: tabular-nums; }
.stat-tile .st-cap { font-size: 12px; color: var(--ink-soft); }
.chart-svg { width: 100%; height: auto; display: block; }
.legend { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 8px; font-size: 12px; color: var(--ink-soft); }
.legend .l-item { display: inline-flex; align-items: center; gap: 5px; }
.legend .l-swatch { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }

/* settings */
.settings-row { display: flex; align-items: center; gap: 10px; padding: 8px 0; }
.settings-row .s-name { flex: 1; }
.metric-def-row { display: flex; gap: 8px; align-items: center; padding: 6px 0; }
.metric-def-row input[type="text"] { flex: 1; }
.qr-note { font-size: 13px; color: var(--ink-soft); overflow-wrap: anywhere; }

/* empty states */
.empty { text-align: center; color: var(--ink-soft); padding: 30px 10px; }