/* Hometracker v2 — design tokens and layout.  PRD §8.
   Every colour in the app is defined here. No colour literal appears in JS.
   Two palettes: semantic colours are fixed and meaning-bearing; surface and
   accent colours are what a theme changes. */

:root {
  /* ---- Semantic. Fixed in every theme. These mean things. ---- */
  --sem-good:    #3f8f5b;
  --sem-good-bg: #3f8f5b26;
  --sem-warn:    #b07d1a;
  --sem-warn-bg: #b07d1a26;
  --sem-bad:     #b3402f;
  --sem-bad-bg:  #b3402f26;
  --sem-waiting: #6a5aa8;
  --sem-waiting-bg:#6a5aa826;

  /* ---- Surface + accent. Themeable. ---- */
  --bg:        #f6f3ee;
  --surface:   #fffdfa;
  --surface-2: #ece6dc;
  --line:      #d9d1c4;
  --text:      #24211d;
  --text-dim:  #6b6459;
  --accent:    #a85f1f;
  --accent-fg: #ffffff;
  --accent-bg: #a85f1f18;

  --radius: 10px;
  --tap: 44px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: ui-monospace, SFMono-Regular, Menlo, monospace;
}

:root[data-accent="slate"]  { --accent: #3d6b8f; --accent-bg: #3d6b8f18; }
:root[data-accent="forest"] { --accent: #3f6f4a; --accent-bg: #3f6f4a18; }
:root[data-accent="plum"]   { --accent: #7a4a72; --accent-bg: #7a4a7218; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #171512; --surface: #201d19; --surface-2: #2b2722;
    --line: #3a352e; --text: #ece7df; --text-dim: #9d968a;
    --accent: #d98a3f; --accent-fg: #171512; --accent-bg: #d98a3f1f;
    --sem-good: #63b47e; --sem-warn: #d9a441; --sem-bad: #e0705c; --sem-waiting: #9a8ad4;
    --sem-good-bg: #63b47e22; --sem-warn-bg: #d9a44122; --sem-bad-bg: #e0705c22; --sem-waiting-bg:#9a8ad422;
  }
}
:root[data-theme="dark"] {
  --bg: #171512; --surface: #201d19; --surface-2: #2b2722;
  --line: #3a352e; --text: #ece7df; --text-dim: #9d968a;
  --accent: #d98a3f; --accent-fg: #171512; --accent-bg: #d98a3f1f;
  --sem-good: #63b47e; --sem-warn: #d9a441; --sem-bad: #e0705c; --sem-waiting: #9a8ad4;
  --sem-good-bg: #63b47e22; --sem-warn-bg: #d9a44122; --sem-bad-bg: #e0705c22; --sem-waiting-bg:#9a8ad422;
}
/* PRD R8.2 — a phone in July sun. Functional, not a preference. */
:root[data-outdoor="on"] {
  --bg: #ffffff; --surface: #ffffff; --surface-2: #f0f0f0;
  --line: #000000; --text: #000000; --text-dim: #000000;
  --accent: #000000; --accent-fg: #ffffff; --accent-bg: #00000012;
  --sem-good: #005c22; --sem-warn: #6b4500; --sem-bad: #8c0000; --sem-waiting: #2d1b7a;
}
:root[data-outdoor="on"] body { font-weight: 600; }
:root[data-outdoor="on"] .card, :root[data-outdoor="on"] .pill { border-width: 2px; }

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text); font-family: var(--font);
  font-size: 16px; line-height: 1.45; -webkit-text-size-adjust: 100%;
  padding-bottom: env(safe-area-inset-bottom);
}
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }

.wrap { max-width: 860px; margin: 0 auto; padding: 0 14px 96px; }

header.top {
  position: sticky; top: 0; z-index: 20; background: var(--bg);
  border-bottom: 1px solid var(--line); padding: 10px 14px;
  display: flex; align-items: center; gap: 10px;
}
header.top h1 { font-size: 17px; margin: 0; letter-spacing: -0.01em; flex: 1; }
header.top h1 span { color: var(--text-dim); font-weight: 400; }

/* ---- Sync pill. PRD R0.4: failure must be impossible to miss. ---- */
.pill {
  display: inline-flex; align-items: center; gap: 6px; min-height: 34px;
  padding: 4px 11px; border-radius: 999px; border: 1px solid var(--line);
  background: var(--surface); font-size: 13px; white-space: nowrap;
}
.pill .dot { width: 9px; height: 9px; border-radius: 50%; background: var(--text-dim); flex: none; }
.pill[data-tone="good"] { border-color: var(--sem-good); background: var(--sem-good-bg); }
.pill[data-tone="good"] .dot { background: var(--sem-good); }
.pill[data-tone="warn"] { border-color: var(--sem-warn); background: var(--sem-warn-bg); }
.pill[data-tone="warn"] .dot { background: var(--sem-warn); }
.pill[data-tone="bad"]  { border-color: var(--sem-bad); background: var(--sem-bad-bg); color: var(--sem-bad); font-weight: 600; }
.pill[data-tone="bad"] .dot { background: var(--sem-bad); animation: throb 1.6s ease-in-out infinite; }
@keyframes throb { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .pill .dot { animation: none !important; } }

nav.tabs { display: flex; gap: 4px; padding: 10px 0 4px; position: sticky; top: 55px; background: var(--bg); z-index: 15; }
nav.tabs button {
  flex: 1; min-height: var(--tap); border: 1px solid var(--line); background: var(--surface);
  border-radius: var(--radius); font-size: 14px; font-weight: 500;
}
nav.tabs button[aria-selected="true"] { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }

h2.screen { font-size: 13px; text-transform: uppercase; letter-spacing: .07em; color: var(--text-dim); margin: 20px 0 8px; }

.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; margin-bottom: 10px; }
.empty { color: var(--text-dim); font-size: 14px; padding: 14px 2px; }

/* ---- Tasks ---- */
.task { display: flex; align-items: flex-start; gap: 10px; padding: 9px 0; border-bottom: 1px solid var(--line); }
.task:last-child { border-bottom: 0; }
.task .box {
  width: 26px; height: 26px; flex: none; border-radius: 7px; border: 2px solid var(--line);
  background: transparent; display: grid; place-items: center; font-size: 14px; margin-top: 1px;
}
.task[data-status="done"] .box { background: var(--sem-good); border-color: var(--sem-good); color: #fff; }
.task[data-status="waiting"] .box { border-color: var(--sem-waiting); background: var(--sem-waiting-bg); color: var(--sem-waiting); }
.task[data-status="done"] .title { text-decoration: line-through; color: var(--text-dim); }
.task .body { flex: 1; min-width: 0; }
.task .title { display: block; word-break: break-word; }
.task .meta { font-size: 12.5px; color: var(--text-dim); display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2px; align-items: center; }
.task .meta .tag { border: 1px solid var(--line); border-radius: 999px; padding: 0 7px; }
.task .meta .tag[data-kind="waiting"] { color: var(--sem-waiting); border-color: var(--sem-waiting); }
.task .meta .tag[data-kind="late"] { color: var(--sem-bad); border-color: var(--sem-bad); font-weight: 600; }
.task .act { background: none; border: 1px solid var(--line); border-radius: 7px; min-width: 34px; min-height: 30px; font-size: 13px; color: var(--text-dim); }

/* ---- Week grid ---- */
.week { display: grid; grid-template-columns: 1fr; gap: 8px; }
@media (min-width: 620px) { .week { grid-template-columns: repeat(7, 1fr); } }
.day { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 9px; }
.day.today { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent); }
.day h3 { margin: 0 0 4px; font-size: 12.5px; display: flex; justify-content: space-between; align-items: baseline; gap: 6px; }
.day h3 .load { font-family: var(--mono); font-size: 12px; color: var(--text-dim); }
.day[data-over="true"] h3 .load { color: var(--sem-bad); font-weight: 700; }
.gauge { height: 5px; border-radius: 3px; background: var(--surface-2); overflow: hidden; margin-bottom: 7px; }
.gauge i { display: block; height: 100%; background: var(--sem-good); }
.day[data-over="true"] .gauge i { background: var(--sem-bad); }
.day ul { list-style: none; margin: 0; padding: 0; font-size: 13px; }
.day li { padding: 3px 0; border-top: 1px solid var(--line); word-break: break-word; }
.day li:first-child { border-top: 0; }

/* ---- Forms, buttons, sheet ---- */
.row { display: flex; gap: 8px; align-items: center; }
.row.wrap { flex-wrap: wrap; }
input[type="text"], input[type="date"], input[type="time"], input[type="number"], select, textarea {
  background: var(--surface); border: 1px solid var(--line); border-radius: 8px;
  padding: 9px 10px; min-height: var(--tap); width: 100%;
}
textarea { min-height: 90px; font-family: var(--mono); font-size: 12.5px; }
.btn { min-height: var(--tap); padding: 0 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); font-weight: 500; }
.btn.primary { background: var(--accent); color: var(--accent-fg); border-color: var(--accent); }
.btn.danger { color: var(--sem-bad); border-color: var(--sem-bad); }
.btn.small { min-height: 34px; font-size: 13px; padding: 0 10px; }

.sheet[hidden] { display: none; }
.sheet { position: fixed; inset: 0; background: #0008; z-index: 40; display: grid; place-items: end center; }
.sheet > div { background: var(--bg); width: 100%; max-width: 860px; max-height: 88vh; overflow: auto;
  border-radius: 14px 14px 0 0; padding: 16px 14px calc(24px + env(safe-area-inset-bottom)); border: 1px solid var(--line); }
.sheet h2 { margin: 0 0 4px; font-size: 18px; }
.sheet section { border-top: 1px solid var(--line); padding: 14px 0; }
.sheet section:first-of-type { border-top: 0; }
.sheet h3 { font-size: 14px; margin: 0 0 6px; }
.note { font-size: 13px; color: var(--text-dim); margin: 6px 0 0; }
.note.bad { color: var(--sem-bad); }
.note.warn { color: var(--sem-warn); }

.progress { height: 6px; border-radius: 3px; background: var(--surface-2); overflow: hidden; margin: 6px 0 2px; }
.progress i { display: block; height: 100%; background: var(--accent); }

.fab { position: fixed; right: 16px; bottom: calc(16px + env(safe-area-inset-bottom)); z-index: 25;
  min-height: 52px; min-width: 52px; border-radius: 26px; border: 1px solid var(--accent);
  background: var(--accent); color: var(--accent-fg); font-size: 15px; font-weight: 600; padding: 0 18px;
  box-shadow: 0 3px 14px #0003; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }