:root {
  --bg: #f6f4ef;
  --card: #ffffff;
  --line: #e4e0d7;
  --ink: #26262c;
  --muted: #706e76;
  --alert: #c43e30;
  --brand: #345caa;
  --chip: #e8e6e0;
  --field: #fbfaf7;
  --field-edge: #bebab0;
  --payment: #1e825a;
  --deadline: #c8641e;
  --meeting: #345caa;
  --renewal: #8246aa;
  --other: #64646e;
}

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

main {
  max-width: 720px;
  margin: 0 auto;
  padding: max(20px, env(safe-area-inset-top)) 16px 40px;
}

h1 { font-size: 28px; font-weight: 600; margin: 0; line-height: 1.2; }
h2 { font-size: 20px; margin: 4px 0 8px; }

.muted { color: var(--muted); }
.loading { text-align: center; margin-top: 30vh; }

button, input, textarea { font: inherit; color: inherit; }

button {
  min-height: 40px;
  padding: 6px 14px;
  border: 0;
  border-radius: 8px;
  background: var(--chip);
  cursor: pointer;
}
button:hover { filter: brightness(0.96); }
button:focus-visible, input:focus-visible, textarea:focus-visible, summary:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}
button.primary { background: var(--brand); color: #fff; }
button.danger { color: var(--alert); }
button.link { background: none; color: var(--muted); text-decoration: underline; padding: 6px 4px; }

input, textarea {
  width: 100%;
  padding: 9px 10px;
  border: 1px solid var(--field-edge);
  border-radius: 6px;
  background: var(--field);
}
input::placeholder, textarea::placeholder { color: #a5a2a8; }

label, legend { display: block; margin: 14px 0 6px; font-size: 15px; }
fieldset { border: 0; padding: 0; margin: 14px 0 0; min-width: 0; }
legend { padding: 0; margin: 0 0 6px; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.top p { margin: 2px 0 0; }

.summary { font-size: 17px; margin: 10px 0 12px; }
.summary.late { color: var(--alert); }

.filters, .chips { display: flex; gap: 6px; flex-wrap: wrap; }
.filters { overflow-x: auto; flex-wrap: nowrap; padding-bottom: 2px; scrollbar-width: none; }
.filters button, .chips button { flex: 0 0 auto; }
.filters button[aria-pressed="true"], .chips button[aria-pressed="true"] {
  background: var(--brand);
  color: #fff;
}

.search { margin: 10px 0 4px; }

.banner {
  margin: 10px 0;
  padding: 10px 12px;
  border-radius: 8px;
  background: #fdecea;
  color: var(--alert);
}

.bucket { margin: 18px 0 6px; font-size: 14px; font-weight: 700; color: var(--muted); }
.bucket.late { color: var(--alert); }

.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 12px;
}
.item { display: flex; gap: 10px; margin-bottom: 8px; align-items: flex-start; }
.item.late { border-color: var(--alert); }
.item input[type="checkbox"] {
  width: 22px;
  height: 22px;
  margin: 2px 0 0;
  flex: 0 0 auto;
  accent-color: var(--brand);
  cursor: pointer;
}
.item .body { flex: 1; min-width: 0; }
.item .title { font-weight: 700; font-size: 16px; overflow-wrap: anywhere; }
.item .meta { color: var(--muted); font-size: 14px; margin-top: 4px; }
.item.late .meta { color: var(--alert); }
.item .note { color: var(--muted); font-size: 14px; margin-top: 2px; white-space: pre-wrap; overflow-wrap: anywhere; }
.item .actions { display: flex; gap: 8px; align-items: flex-start; flex: 0 0 auto; }

.tag {
  display: inline-block;
  margin-top: 4px;
  padding: 0 7px;
  border-radius: 6px;
  font-size: 12px;
}
.tag.Payment { color: var(--payment); background: color-mix(in srgb, var(--payment) 14%, transparent); }
.tag.Deadline { color: var(--deadline); background: color-mix(in srgb, var(--deadline) 14%, transparent); }
.tag.Meeting { color: var(--meeting); background: color-mix(in srgb, var(--meeting) 14%, transparent); }
.tag.Renewal { color: var(--renewal); background: color-mix(in srgb, var(--renewal) 14%, transparent); }
.tag.Other { color: var(--other); background: color-mix(in srgb, var(--other) 14%, transparent); }

details.later { position: relative; }
details.later summary {
  list-style: none;
  min-height: 40px;
  padding: 8px 14px;
  border-radius: 8px;
  background: var(--chip);
  cursor: pointer;
}
details.later summary::-webkit-details-marker { display: none; }
details.later .menu {
  position: absolute;
  right: 0;
  top: 44px;
  z-index: 2;
  display: grid;
  gap: 4px;
  min-width: 160px;
  padding: 6px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 6px 18px rgb(0 0 0 / 12%);
}
details.later .menu button { background: none; text-align: left; }
details.later .menu button:hover { background: var(--chip); }

.done-row { display: flex; align-items: center; gap: 10px; margin: 4px 0; }
.done-row .body { flex: 1; min-width: 0; }
.done-row .title { text-decoration: line-through; color: var(--muted); overflow-wrap: anywhere; }
.done-row .meta { color: var(--muted); font-size: 13px; }

.empty { text-align: center; color: var(--muted); margin-top: 48px; }

.footer { display: flex; align-items: center; justify-content: space-between; margin-top: 32px; font-size: 14px; }
.footer-end { display: flex; align-items: center; gap: 10px; }
.language {
  min-height: 36px;
  padding: 4px 8px;
  border: 1px solid var(--field-edge);
  border-radius: 6px;
  background: var(--field);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
}
.welcome-top { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.owner-setting { display: flex; flex-wrap: wrap; align-items: center; gap: 4px 8px; margin: 4px 0 0; font-size: 14px; }

.welcome { max-width: 420px; padding-top: 12vh; }
.welcome > p { margin: 6px 0 18px; }
.form .row { display: flex; gap: 8px; margin-top: 16px; flex-wrap: wrap; }
.note { margin: 0; color: var(--muted); }
.error { color: var(--alert); margin: 8px 0 0; min-height: 0; }
.error:empty { display: none; }

dialog {
  width: min(520px, 100vw);
  max-height: min(92vh, 900px);
  padding: 0;
  border: 0;
  border-radius: 12px;
  background: var(--bg);
  color: var(--ink);
}
dialog::backdrop { background: rgb(0 0 0 / 35%); }
.editor-bar {
  position: sticky;
  top: 0;
  z-index: 1;
  display: flex;
  justify-content: space-between;
  padding: 12px 16px;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
}
dialog .error { padding: 0 16px; }
.editor-body { padding: 8px 20px 24px; }
.pair { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
#shortcuts { margin-bottom: 8px; }
.delete-area { margin-top: 24px; display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

@media (max-width: 560px) {
  main { padding-left: 14px; padding-right: 14px; }
  .item { flex-wrap: wrap; }
  .item .body { flex-basis: calc(100% - 40px); }
  .item .actions { width: 100%; justify-content: flex-end; }
  dialog {
    width: 100vw;
    max-width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    margin: 0;
    border-radius: 0;
  }
  .editor-bar { padding-top: max(12px, env(safe-area-inset-top)); }
}