:root {
  --paper: #f6f1e7;
  --card: #fffdf8;
  --ink: #1d2a26;
  --muted: #5b6862;
  --line: #ddd5c4;
  --accent: #1f5c4a;
  --accent-ink: #fbf7ef;
  --accent-soft: #dcebe3;
  --focus: #b4410f;

  --todo-bg: #e7e9ee;   --todo-fg: #38425a;
  --prog-bg: #fbe8c4;   --prog-fg: #7a4a00;
  --block-bg: #f7d6cf;  --block-fg: #8d2412;
  --done-bg: #d5ebdb;   --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;
  --radius: 12px;
}

* { 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);
}
h1, h2, h3, p, ul, ol, dl, dd { margin: 0; }
ul, ol { padding: 0; list-style: none; }
[hidden] { display: none !important; }

:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
  border-radius: 6px;
}

.skip {
  position: absolute; left: 8px; top: -60px; z-index: 100;
  background: var(--ink); color: #fff; padding: 8px 14px; border-radius: 8px;
}
.skip:focus { top: 8px; }

/* ---------- layout ---------- */
.app {
  display: grid;
  grid-template-columns: 272px minmax(0, 1fr);
  min-height: 100vh;
}
.side {
  position: sticky; top: 0; align-self: start;
  height: 100vh;
  padding: 28px 20px;
  border-right: 1px solid var(--line);
  background: #efe8d9;
  display: flex; flex-direction: column; gap: 28px;
  overflow-y: auto;
}
.brand { display: flex; align-items: center; gap: 12px; }
.brand-mark { width: 40px; height: 40px; color: var(--accent); flex: none; }
.brand-name { font: 700 28px/1 var(--serif); letter-spacing: -0.01em; }
.brand-sub { font-size: 13px; color: var(--muted); margin-top: 3px; }

.side-label {
  font: 600 12px/1 var(--sans);
  letter-spacing: .09em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 10px;
}
.views-list { display: grid; gap: 4px; }
.view-btn {
  width: 100%;
  display: flex; align-items: center; gap: 10px;
  padding: 10px 12px; min-height: 44px;
  border: 0; border-radius: 10px;
  background: transparent; color: var(--ink);
  font: 500 15px/1.2 var(--sans); text-align: left; cursor: pointer;
}
.view-btn:hover { background: rgba(31, 92, 74, .09); }
.view-btn[aria-pressed="true"] { background: var(--accent); color: var(--accent-ink); }
.view-btn .n {
  margin-left: auto; font-variant-numeric: tabular-nums;
  font-weight: 600; font-size: 13px;
  background: rgba(29, 42, 38, .09); border-radius: 999px; padding: 2px 9px;
}
.view-btn[aria-pressed="true"] .n { background: rgba(255, 255, 255, .2); }

.side-card {
  margin-top: auto;
  background: var(--card); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 16px;
}
.meter { display: flex; height: 10px; border-radius: 99px; overflow: hidden; background: var(--line); gap: 2px; }
.meter span { display: block; height: 100%; }
.side-note { font-size: 13px; color: var(--muted); margin-top: 10px; }

.main { padding: 36px clamp(20px, 4vw, 56px) 64px; min-width: 0; max-width: 1100px; }
.main-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; margin-bottom: 22px; }
.eyebrow { font: 600 12px/1 var(--sans); letter-spacing: .09em; text-transform: uppercase; color: var(--accent); }
h1 { font: 700 44px/1.05 var(--serif); letter-spacing: -0.02em; margin-top: 8px; }
h1:focus { outline: none; }
.count { color: var(--muted); font-size: 14px; padding-bottom: 6px; }

/* ---------- tools ---------- */
.tools {
  display: flex; gap: 14px; flex-wrap: wrap; align-items: flex-end;
  padding-bottom: 20px; border-bottom: 1px solid var(--line); margin-bottom: 18px;
}
.field { display: grid; gap: 6px; min-width: 0; }
.field.grow { flex: 1 1 240px; }
.field label { font-size: 13px; font-weight: 600; color: var(--muted); }
input[type="search"], select {
  font: 16px/1.2 var(--sans); color: var(--ink);
  min-height: 46px; padding: 0 14px;
  background: var(--card); border: 1.5px solid #bfb6a1; border-radius: 10px;
  width: 100%;
}
select { padding-right: 34px; cursor: pointer; }
.input-wrap { position: relative; }
.input-wrap svg { position: absolute; left: 13px; top: 50%; width: 18px; height: 18px; margin-top: -9px; color: var(--muted); pointer-events: none; }
.input-wrap input { padding-left: 40px; }
input:hover, select:hover { border-color: var(--accent); }

/* ---------- list ---------- */
.list { display: grid; gap: 10px; }
.item {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-left: 5px solid var(--st, var(--line));
  border-radius: var(--radius);
  padding: 16px 18px 14px;
  display: grid; gap: 8px;
  transition: box-shadow .15s, transform .15s, border-color .15s;
}
.item:hover { box-shadow: 0 6px 18px rgba(60, 50, 20, .1); transform: translateY(-1px); }
.item:focus-within { box-shadow: 0 0 0 3px var(--focus); }
.item.flash { animation: flash 1.2s ease-out; }
@keyframes flash { from { background: #fff1b8; } to { background: var(--card); } }

.item-top { display: flex; align-items: flex-start; gap: 12px; }
.open-item {
  all: unset; box-sizing: border-box;
  flex: 1; min-width: 0; cursor: pointer;
  font: 700 20px/1.25 var(--serif); letter-spacing: -.005em;
}
.open-item::after { content: ""; position: absolute; inset: 0; border-radius: var(--radius); }
.open-item:focus-visible { outline: none; text-decoration: underline; text-decoration-thickness: 2px; }
.item:hover .open-item { color: var(--accent); }
.summary {
  color: var(--muted); font-size: 15px;
  display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden;
}
.meta { display: flex; flex-wrap: wrap; gap: 6px 16px; align-items: center; font-size: 13.5px; color: var(--muted); margin-top: 2px; }
.meta > * { display: inline-flex; align-items: center; gap: 6px; }
.avatar {
  width: 24px; height: 24px; border-radius: 50%;
  background: var(--accent-soft); color: var(--accent);
  font: 700 10px/1 var(--sans); display: inline-grid; place-items: center; flex: none;
}
.prio { font-weight: 600; }
.prio::before { content: ""; width: 8px; height: 8px; border-radius: 2px; background: currentColor; }
.prio.high { color: #a3260f; }
.prio.medium { color: #8a5a00; }
.prio.low { color: #4b6b5b; }
.prio.high::before { transform: rotate(45deg); }
.prio.low::before { border-radius: 50%; }

.chip {
  flex: none; display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 10px 4px 8px; border-radius: 999px;
  font: 600 12.5px/1.2 var(--sans); white-space: nowrap;
  background: var(--chip-bg); color: var(--chip-fg);
}
.chip svg { width: 13px; height: 13px; }
[data-status="todo"] { --st: #8b93a8; --chip-bg: var(--todo-bg); --chip-fg: var(--todo-fg); }
[data-status="in-progress"] { --st: #d9922b; --chip-bg: var(--prog-bg); --chip-fg: var(--prog-fg); }
[data-status="blocked"] { --st: #c8442c; --chip-bg: var(--block-bg); --chip-fg: var(--block-fg); }
[data-status="done"] { --st: #3a8f58; --chip-bg: var(--done-bg); --chip-fg: var(--done-fg); }

.empty {
  text-align: center; padding: 56px 20px;
  border: 2px dashed #bfb6a1; border-radius: var(--radius); color: var(--muted);
  display: grid; justify-items: center; gap: 10px;
}
.empty h2 { font: 700 26px/1.2 var(--serif); color: var(--ink); }

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  min-height: 44px; padding: 0 18px;
  border-radius: 10px; border: 1.5px solid var(--accent);
  background: var(--accent); color: var(--accent-ink);
  font: 600 15px/1 var(--sans); cursor: pointer;
}
.btn:hover { background: #174a3b; }
.btn.ghost { background: transparent; color: var(--ink); border-color: #bfb6a1; }
.btn.ghost:hover { background: rgba(29, 42, 38, .07); }
.btn svg { width: 16px; height: 16px; }

/* ---------- detail ---------- */
.scrim { position: fixed; inset: 0; background: rgba(25, 30, 24, .45); z-index: 40; animation: fade .18s ease-out; }
.detail {
  position: fixed; top: 0; right: 0; bottom: 0; z-index: 50;
  width: min(560px, 100vw);
  background: var(--card);
  border-left: 1px solid var(--line);
  box-shadow: -18px 0 50px rgba(30, 30, 10, .22);
  display: flex; flex-direction: column;
  animation: slide .22s ease-out;
}
@keyframes slide { from { transform: translateX(40px); opacity: 0; } to { transform: none; opacity: 1; } }
@keyframes fade { from { opacity: 0; } to { opacity: 1; } }
.detail-bar {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 14px 20px; border-bottom: 1px solid var(--line);
}
.detail-scroll { padding: 24px 28px 40px; overflow-y: auto; display: grid; gap: 20px; align-content: start; }
.detail h2 { font: 700 32px/1.12 var(--serif); letter-spacing: -.015em; }
.detail h2:focus { outline: none; }

.status-box {
  display: flex; gap: 16px; align-items: flex-end; flex-wrap: wrap;
  padding: 16px; border-radius: var(--radius);
  background: var(--chip-bg); border: 1px solid var(--st);
}
.status-box .field { flex: 0 1 220px; min-width: 170px; }
.status-box label { color: var(--chip-fg); }
.saved { flex: 1 1 180px; font-size: 14px; font-weight: 600; color: var(--chip-fg); padding-bottom: 12px; min-height: 1.5em; }
.saved.pop { animation: fade .3s ease-out; }

.facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 14px 20px; }
.facts dt { font: 600 12px/1 var(--sans); letter-spacing: .07em; text-transform: uppercase; color: var(--muted); margin-bottom: 5px; }
.facts dd { font-size: 16px; display: flex; align-items: center; gap: 8px; }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { padding: 4px 12px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); font-size: 13px; font-weight: 600; }
.tags:empty { display: none; }
.sub { font: 600 12px/1 var(--sans); letter-spacing: .09em; text-transform: uppercase; color: var(--muted); margin-bottom: -8px; }
.body { white-space: pre-line; font-size: 17px; line-height: 1.6; }
.history { display: grid; gap: 8px; font-size: 14px; color: var(--muted); }
.history li { display: flex; gap: 10px; align-items: baseline; padding-left: 14px; position: relative; }
.history li::before { content: ""; position: absolute; left: 0; top: .55em; width: 6px; height: 6px; border-radius: 50%; background: var(--st, var(--muted)); }

/* ---------- toast ---------- */
.toast {
  position: fixed; left: 50%; bottom: 24px; z-index: 80;
  transform: translate(-50%, 20px); opacity: 0; pointer-events: none;
  background: var(--ink); color: #fff; padding: 12px 18px; border-radius: 12px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, .3);
  max-width: min(520px, calc(100vw - 32px)); font-size: 15px;
  transition: opacity .2s, transform .2s;
}
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* ---------- mobile ---------- */
@media (max-width: 860px) {
  .app { display: block; }
  .side { position: static; height: auto; padding: 18px 16px 6px; border-right: 0; border-bottom: 1px solid var(--line); gap: 14px; overflow: visible; }
  .brand-mark { width: 34px; height: 34px; }
  .brand-name { font-size: 24px; }
  .side .side-label, .side-card { display: none; }
  .views-list { display: flex; overflow-x: auto; gap: 8px; padding: 2px 2px 12px; margin: 0 -16px; padding-left: 16px; padding-right: 16px; scrollbar-width: thin; }
  .view-btn { width: auto; flex: none; border: 1.5px solid #bfb6a1; border-radius: 999px; padding: 8px 14px; min-height: 44px; }
  .view-btn[aria-pressed="true"] { border-color: var(--accent); }
  .main { padding: 22px 16px 80px; }
  h1 { font-size: 34px; }
  .tools { gap: 12px; }
  .tools .field { flex: 1 1 140px; }
  .item { padding: 14px 14px 12px; }
  .item-top { flex-direction: column-reverse; gap: 8px; }
  .open-item { font-size: 18px; }
  .detail { width: 100vw; border-left: 0; }
  .detail-scroll { padding: 20px 18px 40px; }
  .detail h2 { font-size: 26px; }
}

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