:root {
  color-scheme: light;
  --paper: #f3eee4;
  --card: #fbf8f2;
  --line: #d9d0be;
  --ink: #1c2622;
  --muted: #59635d;
  --accent: #1f4d41;
  --accent-ink: #f3eee4;
  --gold: #e5b25d;
  --focus: #0b5fd6;

  --todo-bg: #e3e8ee; --todo-fg: #2c3e55;
  --prog-bg: #f6e4b8; --prog-fg: #6b4608;
  --block-bg: #f4d3cc; --block-fg: #8a2a1b;
  --done-bg: #d3e6d6; --done-fg: #1d5a31;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, "Times New Roman", serif;
  --sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 16px/1.5 var(--sans);
  -webkit-tap-highlight-color: rgba(31, 77, 65, .15);
}
button, input, select { font: inherit; color: inherit; touch-action: manipulation; }
h1, h2, h3, p, ul, ol, dl, dd { margin: 0; padding: 0; }
ul, ol { list-style: none; }

:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }

.skip {
  position: absolute; left: 12px; top: -60px; z-index: 50;
  background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px;
}
.skip:focus { top: 12px; }

.eyebrow {
  font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Layout ---------- */
.app {
  display: grid;
  grid-template-columns: 248px minmax(0, 1fr);
  height: 100vh;
  height: 100dvh;
  grid-template-rows: minmax(0, 1fr);
  overflow: hidden;
}
.app.has-detail { grid-template-columns: 248px minmax(0, 1fr) minmax(380px, 460px); }

.side {
  background: var(--accent);
  color: var(--accent-ink);
  padding: 28px 18px;
  display: flex; flex-direction: column; gap: 32px;
  overflow-y: auto;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-name { font: 700 24px/1.1 var(--serif); letter-spacing: -.01em; }
.brand-sub { font-size: 13px; color: #c3d3cb; }
.side .eyebrow { color: #b4c8be; margin-bottom: 10px; padding-left: 10px; }

.view-list { display: grid; gap: 4px; }
.view-btn {
  width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 8px;
  min-height: 44px; padding: 8px 10px; border: 0; border-radius: 10px;
  background: transparent; color: var(--accent-ink); text-align: left; cursor: pointer;
  transition: background-color .15s;
}
.view-btn:hover { background: rgba(255, 255, 255, .12); }
.view-btn[aria-pressed="true"] { background: var(--paper); color: var(--accent); font-weight: 700; }
.view-btn .n { font-variant-numeric: tabular-nums; font-size: 14px; opacity: .9; }
.view-btn:focus-visible { outline-color: #fff; }
.view-btn[aria-pressed="true"]:focus-visible { outline-color: var(--gold); }

.progress-card {
  margin-top: auto; padding: 14px; border-radius: 12px;
  background: rgba(0, 0, 0, .18); font-size: 14px;
}
.progress-card strong { font: 700 28px/1 var(--serif); font-variant-numeric: tabular-nums; }
.bar { height: 6px; border-radius: 3px; background: rgba(255, 255, 255, .2); margin-top: 10px; overflow: hidden; }
.bar > i { display: block; height: 100%; background: var(--gold); transition: width .3s; }

.main {
  overflow-y: auto; overscroll-behavior: contain;
  padding: 36px clamp(20px, 4vw, 56px) 64px;
  min-width: 0;
}
.head { margin-bottom: 22px; }
.head h1 {
  font: 700 clamp(30px, 3.4vw, 44px)/1.1 var(--serif); letter-spacing: -.02em;
  text-wrap: balance; margin-top: 4px;
}
.head h1:focus { outline: none; }
.head h1:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }

/* ---------- Toolbar ---------- */
.toolbar {
  display: flex; flex-wrap: wrap; gap: 14px; align-items: end;
  padding: 14px; background: var(--card); border: 1px solid var(--line); border-radius: 14px;
}
.field { display: grid; gap: 4px; min-width: 150px; }
.field.grow { flex: 1 1 260px; }
.field label, .status-box label { font-size: 13px; font-weight: 600; color: var(--muted); }
input[type="search"], select {
  width: 100%; min-height: 44px; padding: 8px 12px;
  background-color: #fff; color: var(--ink);
  border: 1px solid #b9ae98; border-radius: 10px;
}
input[type="search"]:hover, select:hover { border-color: var(--accent); }
input::placeholder { color: #6d746f; }

.count { margin: 16px 2px 10px; font-size: 14px; color: var(--muted); font-variant-numeric: tabular-nums; }
.loading { color: var(--muted); padding: 24px 2px; }

/* ---------- Task list ---------- */
.tasks { display: grid; gap: 10px; }
.task {
  position: relative;
  display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 6px 20px; align-items: center;
  padding: 14px 18px 14px 20px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px;
  transition: background-color .15s, border-color .15s, box-shadow .15s;
}
.task::before {
  content: ""; position: absolute; left: 0; top: 12px; bottom: 12px; width: 4px; border-radius: 0 4px 4px 0;
  background: var(--line);
}
.task[data-priority="high"]::before { background: #b5402b; }
.task[data-priority="medium"]::before { background: var(--gold); }
.task:hover { background: #fff; border-color: #b9ae98; }
.task.is-open { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent); background: #fff; }
.task:has(.open:focus-visible) { outline: 3px solid var(--focus); outline-offset: 2px; }
.task.flash { animation: flash 1.2s ease-out; }
@keyframes flash { from { background: #fbe9b7; } to { background: var(--card); } }

.task-main { min-width: 0; }
.open {
  all: unset; box-sizing: border-box; cursor: pointer;
  display: block; max-width: 100%;
  font: 600 18px/1.3 var(--serif); overflow-wrap: anywhere;
}
.open::after { content: ""; position: absolute; inset: 0; border-radius: 14px; }
.open:focus-visible { outline: none; }
.task:hover .open { text-decoration: underline; text-underline-offset: 3px; }
.task-meta { margin-top: 4px; font-size: 14px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 2px 14px; }
.task-meta span { white-space: nowrap; }
.task-side { display: flex; flex-direction: column; align-items: flex-end; gap: 6px; }
.due { font-size: 13px; color: var(--muted); font-variant-numeric: tabular-nums; }

.badge {
  display: inline-flex; align-items: center; gap: 6px; white-space: nowrap;
  padding: 3px 10px 3px 8px; border-radius: 999px; font-size: 13px; font-weight: 700;
}
.badge svg { flex: none; }
.badge[data-s="todo"] { background: var(--todo-bg); color: var(--todo-fg); }
.badge[data-s="in-progress"] { background: var(--prog-bg); color: var(--prog-fg); }
.badge[data-s="blocked"] { background: var(--block-bg); color: var(--block-fg); }
.badge[data-s="done"] { background: var(--done-bg); color: var(--done-fg); }
.prio { font-size: 13px; font-weight: 600; }
.prio[data-p="high"] { color: #9a2f1c; }

/* ---------- Empty ---------- */
.empty {
  display: grid; justify-items: center; text-align: center; gap: 10px;
  padding: 48px 24px; border: 2px dashed #b9ae98; border-radius: 16px; background: var(--card);
}
.empty[hidden], .tasks[hidden], .loading[hidden] { display: none; }
.empty h2 { font: 700 26px/1.2 var(--serif); }
.empty p { max-width: 44ch; color: var(--muted); overflow-wrap: anywhere; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 8px 16px; border-radius: 10px; border: 1px solid transparent;
  cursor: pointer; font-weight: 600; transition: background-color .15s, border-color .15s;
}
.btn.primary { background: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { background: #163a31; }
.btn.ghost { background: transparent; border-color: #b9ae98; }
.btn.ghost:hover { background: #e9e1d0; border-color: var(--accent); }

/* ---------- Detail ---------- */
.detail-slot { display: contents; }
.detail {
  display: flex; flex-direction: column; min-height: 0; min-width: 0;
  background: var(--card); border-left: 1px solid var(--line);
  animation: slide .22s ease-out;
}
@keyframes slide { from { opacity: 0; transform: translateX(24px); } to { opacity: 1; transform: none; } }
.detail-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 20px; border-bottom: 1px solid var(--line);
}
.detail-scroll { flex: 1 1 auto; min-height: 0; overflow-y: auto; overscroll-behavior: contain; padding: 24px 24px 56px; display: grid; gap: 20px; align-content: start; }
.detail h2 { font: 700 28px/1.2 var(--serif); letter-spacing: -.01em; overflow-wrap: anywhere; text-wrap: balance; }
.detail h2:focus { outline: none; }
.detail h2:focus-visible { outline: 3px solid var(--focus); outline-offset: 4px; }
.detail h3 { font-size: 12px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.detail-badges { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: -8px; }

.status-box {
  display: grid; gap: 6px; padding: 14px; border-radius: 12px;
  background: #efe8d8; border: 1px solid var(--line);
}
.status-note { min-height: 1.5em; font-size: 14px; color: var(--done-fg); font-weight: 600; }
.status-note:empty { display: none; }
.status-note.flash { animation: note .6s ease-out; }
@keyframes note { from { opacity: 0; transform: translateY(-4px); } to { opacity: 1; transform: none; } }

.body { display: grid; gap: 12px; font-size: 16px; max-width: 62ch; }
.body p:last-child { padding: 12px 14px; border-left: 4px solid var(--gold); background: #f4ead2; border-radius: 0 10px 10px 0; }
.body p:only-child { padding: 0; border: 0; background: none; }

.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 16px; padding: 16px 0; border-block: 1px solid var(--line); }
.facts dt { font-size: 12px; font-weight: 700; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.facts dd { font-weight: 600; overflow-wrap: anywhere; font-variant-numeric: tabular-nums; }
.tag { display: inline-block; margin: 2px 4px 2px 0; padding: 1px 9px; border-radius: 6px; background: #e9e1d0; font-size: 13px; }

.history { display: grid; gap: 8px; font-size: 14px; }
.history li { display: flex; gap: 10px; align-items: baseline; flex-wrap: wrap; }
.history time { color: var(--muted); font-variant-numeric: tabular-nums; }
.history .none { color: var(--muted); }

/* ---------- Toast ---------- */
.toast {
  position: fixed; z-index: 60;
  left: calc(248px + 24px); bottom: max(24px, env(safe-area-inset-bottom));
  max-width: min(480px, calc(100vw - 32px));
}
.toast .msg {
  display: flex; align-items: center; gap: 14px; flex-wrap: wrap;
  padding: 12px 14px 12px 16px; border-radius: 12px;
  background: var(--ink); color: #fff; box-shadow: 0 10px 30px rgba(0, 0, 0, .28);
  animation: pop .22s ease-out;
}
.toast .msg span { flex: 1 1 200px; overflow-wrap: anywhere; }
.toast .undo { background: transparent; color: #fff; border: 1px solid rgba(255, 255, 255, .6); min-height: 40px; padding: 4px 14px; border-radius: 8px; cursor: pointer; font-weight: 600; }
.toast .undo:hover { background: rgba(255, 255, 255, .16); border-color: #fff; }
.toast .undo:focus-visible { outline-color: var(--gold); }
@keyframes pop { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---------- Narrow desktop ---------- */
@media (max-width: 1180px) {
  .app.has-detail { grid-template-columns: 220px minmax(0, 1fr) minmax(340px, 400px); }
  .app { grid-template-columns: 220px minmax(0, 1fr); }
  .toast { left: 244px; }
  .task { grid-template-columns: 1fr; }
  .task-side { flex-direction: row; align-items: center; flex-wrap: wrap; gap: 8px 12px; }
}

/* ---------- Mobile ---------- */
@media (max-width: 820px) {
  .app, .app.has-detail { display: block; height: auto; overflow: visible; }
  .side {
    flex-direction: column; gap: 14px; padding: 16px max(16px, env(safe-area-inset-right)) 14px max(16px, env(safe-area-inset-left));
    overflow: visible;
  }
  .side .eyebrow, .progress-card { display: none; }
  .view-list { display: flex; gap: 6px; overflow-x: auto; padding-bottom: 4px; scrollbar-width: none; }
  .view-btn { width: auto; flex: none; border: 1px solid rgba(255, 255, 255, .35); border-radius: 999px; padding: 6px 14px; gap: 10px; }
  .main { overflow: visible; padding: 22px max(16px, env(safe-area-inset-right)) 96px max(16px, env(safe-area-inset-left)); }
  .head h1 { font-size: 30px; }
  .toolbar { gap: 10px; padding: 12px; }
  .field { flex: 1 1 140px; min-width: 0; }
  .field.grow { flex-basis: 100%; }
  .task { padding: 14px 14px 14px 18px; }
  .toast { left: 16px; right: 16px; bottom: max(16px, env(safe-area-inset-bottom)); max-width: none; }
  .detail-slot { display: block; }
  .detail {
    position: fixed; inset: 0; z-index: 40; border: 0;
    padding-bottom: env(safe-area-inset-bottom);
  }
  .detail-bar { padding: 10px max(16px, env(safe-area-inset-right)) 10px max(16px, env(safe-area-inset-left)); }
  .detail-scroll { padding: 20px max(18px, env(safe-area-inset-right)) 96px max(18px, env(safe-area-inset-left)); }
  .detail h2 { font-size: 25px; }
  .facts { grid-template-columns: 1fr 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
}