/* シンプルで見やすいことを最優先。iOS の標準 UI に近い見た目にする。 */

:root {
  --bg: #f2f2f7;
  --card: #ffffff;
  --text: #1c1c1e;
  --sub: #6c6c70;
  --line: #e0e0e5;
  --accent: #007aff;
  --accent-soft: #e5f0ff;
  --danger: #ff3b30;
  --danger-soft: #ffeceb;
  --warn: #e67700;
  --warn-soft: #fff3e0;
  --ok: #34c759;
  --soon: #9a6b00;
  --soon-soft: #fff4cc;
  --later: #6c6c70;
  --later-soft: #f2f2f7;
  --field: #f2f2f7;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0.06);
  --cat-event: #af52de;
  --cat-pay: #ff9500;
  --cat-proc: #007aff;
  --cat-buy: #34c759;
  --cat-other: #8e8e93;
  --radius: 14px;
  --safe-b: env(safe-area-inset-bottom, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
  color-scheme: light;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #000000;
    --card: #1c1c1e;
    --text: #f2f2f7;
    --sub: #98989f;
    --line: #38383a;
    --accent: #0a84ff;
    --accent-soft: #0a2a4d;
    --danger: #ff453a;
    --danger-soft: #3a1512;
    --warn: #ffa53d;
    --warn-soft: #3a2608;
    --soon: #ffd60a;
    --soon-soft: #3a3000;
    --later: #98989f;
    --later-soft: #2c2c2e;
    --field: #2c2c2e;
    --shadow: none;
    --cat-event: #bf5af2;
    --cat-pay: #ff9f0a;
    --cat-proc: #0a84ff;
    --cat-buy: #30d158;
    color-scheme: dark;
  }
}

* { box-sizing: border-box; }

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

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", sans-serif;
  font-size: 17px;
  line-height: 1.45;
  -webkit-tap-highlight-color: transparent;
  min-height: 100dvh;
  padding-bottom: calc(96px + var(--safe-b));
}

button { font: inherit; color: inherit; background: none; border: 0; padding: 0; cursor: pointer; }
input, textarea, select { font: inherit; font-size: 17px; color: inherit; } /* 16px 未満だと iOS がズームする */
[hidden] { display: none !important; }

/* ---------- ヘッダー ---------- */
.top {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  padding: calc(14px + var(--safe-t)) 16px 6px;
}
.top-date { margin: 0; color: var(--sub); font-size: 15px; font-weight: 700; }
.top h1 { margin: 0; font-size: 32px; line-height: 1.15; letter-spacing: 0.01em; }
.summary { margin: 6px 0 0; display: flex; flex-wrap: wrap; gap: 6px; font-size: 13px; }
.summary:empty { display: none; }
.sum { padding: 3px 10px; border-radius: 999px; font-weight: 600; }
.sum b { font-variant-numeric: tabular-nums; }
.icon-btn {
  width: 44px; height: 44px; display: grid; place-items: center;
  color: var(--accent); border-radius: 22px;
}
.icon-btn:active { background: var(--accent-soft); }

.banner {
  margin: 8px 16px 0; padding: 12px 14px; border-radius: var(--radius);
  background: var(--accent-soft); font-size: 15px; display: flex; gap: 10px; align-items: center;
}
.banner p { margin: 0; flex: 1; }
.banner button { color: var(--accent); font-weight: 600; white-space: nowrap; }

/* ---------- 絞り込み ---------- */
.filters {
  display: flex; gap: 8px; overflow-x: auto; padding: 10px 16px 4px;
  scrollbar-width: none; -webkit-overflow-scrolling: touch;
}
.filters::-webkit-scrollbar { display: none; }
.filter {
  flex: none; padding: 6px 14px; border-radius: 999px; background: var(--card);
  font-size: 15px; box-shadow: var(--shadow); white-space: nowrap; min-height: 36px;
}
.filter[aria-pressed="true"] { background: var(--text); color: var(--bg); }
.filter .count { opacity: 0.6; margin-left: 4px; font-variant-numeric: tabular-nums; }

/* ---------- 一覧 ---------- */
.list { padding: 4px 16px 16px; }
.group { margin-top: 18px; }
.group-title {
  margin: 0 4px 6px; font-size: 14px; font-weight: 700; color: var(--sub);
  display: flex; justify-content: space-between;
}
.group-title.overdue { color: var(--danger); }
.group-title.today { color: var(--warn); }
.cards { background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }

.task {
  display: flex; align-items: flex-start; gap: 12px; padding: 12px 14px;
  position: relative; transition: opacity 0.25s, transform 0.25s;
}
.task + .task::before {
  content: ""; position: absolute; top: 0; left: 50px; right: 0; height: 1px; background: var(--line);
}
.task.leaving { opacity: 0; transform: translateX(24px); }

.check {
  flex: none; width: 26px; height: 26px; border-radius: 50%; margin-top: 1px;
  border: 2px solid var(--cat, var(--cat-other)); display: grid; place-items: center;
  position: relative;
}
.check::after { /* タップしやすいよう当たり判定を広げる */
  content: ""; position: absolute; inset: -10px;
}
.check svg { opacity: 0; color: #fff; }
.task.done .check { background: var(--cat, var(--cat-other)); }
.task.done .check svg { opacity: 1; }
.task.done .task-title { color: var(--sub); text-decoration: line-through; }

.task-main { flex: 1; min-width: 0; text-align: left; }
.task-title { margin: 0; font-size: 17px; word-break: break-word; }
.task-meta {
  margin: 2px 0 0; font-size: 14px; color: var(--sub);
  display: flex; flex-wrap: wrap; gap: 2px 10px; align-items: center;
}
.task-meta .memo-mark { opacity: 0.8; }

.date-tile {
  flex: none; width: 76px; text-align: center; border-radius: 10px; padding: 5px 4px 6px;
  display: flex; flex-direction: column; gap: 1px; line-height: 1.2;
  background: var(--u-soft); color: var(--u);
}
.dt-year { font-size: 11px; font-weight: 600; opacity: 0.8; }
.dt-day { font-size: 17px; font-weight: 800; font-variant-numeric: tabular-nums; letter-spacing: -0.01em; }
.dt-day small { font-size: 11px; font-weight: 700; margin-left: 1px; }
.dt-rest { font-size: 12px; font-weight: 700; }

/* 期限までの近さの色(左端の線・日付ブロック・上の件数) */
.u-overdue { --u: var(--danger); --u-soft: var(--danger-soft); }
.u-today { --u: var(--warn); --u-soft: var(--warn-soft); }
.u-soon { --u: var(--soon); --u-soft: var(--soon-soft); }
.u-week { --u: var(--accent); --u-soft: var(--accent-soft); }
.u-later, .u-calm { --u: var(--later); --u-soft: var(--later-soft); }
.task.u-overdue, .task.u-today, .task.u-soon, .task.u-week { box-shadow: inset 4px 0 0 var(--u); }
.task.u-overdue .task-title { font-weight: 600; }
.sum { background: var(--u-soft); color: var(--u); }

.cat-event { --cat: var(--cat-event); }
.cat-pay { --cat: var(--cat-pay); }
.cat-proc { --cat: var(--cat-proc); }
.cat-buy { --cat: var(--cat-buy); }
.cat-other { --cat: var(--cat-other); }

.empty {
  text-align: center; color: var(--sub); padding: 56px 24px; font-size: 15px;
}
.empty strong { display: block; font-size: 18px; color: var(--text); margin-bottom: 8px; }
.empty ul { list-style: none; padding: 0; margin: 14px 0 0; }
.empty li { margin: 6px 0; }
.example {
  background: var(--card); padding: 6px 12px; border-radius: 10px; display: inline-block;
  color: var(--text); font-size: 15px; box-shadow: var(--shadow);
}

.more-btn { display: block; margin: 16px auto 0; color: var(--accent); font-size: 15px; padding: 8px 16px; }

/* ---------- 入力欄 ---------- */
.composer {
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 10;
  padding: 8px 12px calc(8px + var(--safe-b));
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px);
  border-top: 1px solid var(--line);
}
.composer-form { display: flex; align-items: flex-end; gap: 8px; max-width: 720px; margin: 0 auto; }
.composer textarea {
  flex: 1; resize: none; border: 1px solid var(--line); background: var(--card);
  border-radius: 20px; padding: 8px 14px; line-height: 1.4; max-height: 140px; outline: none;
}
.composer textarea:focus { border-color: var(--accent); }
.send-btn {
  flex: none; width: 38px; height: 38px; border-radius: 50%; background: var(--accent); color: #fff;
  display: grid; place-items: center; margin-bottom: 1px;
}
.send-btn:disabled { background: var(--line); color: var(--sub); }

.preview { max-width: 720px; margin: 0 auto 8px; display: grid; gap: 6px; }
.preview-item {
  display: flex; align-items: center; gap: 10px; width: 100%; text-align: left;
  background: var(--card); border-radius: 12px; padding: 8px 12px; box-shadow: var(--shadow);
  border-left: 4px solid var(--cat, var(--cat-other));
}
.preview-item .pv-main { flex: 1; min-width: 0; }
.preview-item .pv-title, .preview-item .pv-meta { display: block; }
.preview-item .pv-title { font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.preview-item .pv-meta { font-size: 13px; color: var(--sub); }
.preview-item .pv-edit { font-size: 13px; color: var(--accent); flex: none; }
.preview-item .pv-meta .none { color: var(--warn); }

/* ---------- シート(ダイアログ) ---------- */
.sheet {
  border: 0; padding: 0; margin: auto auto 0; width: 100%; max-width: 640px;
  max-height: calc(100dvh - 24px - var(--safe-t));
  border-radius: 16px 16px 0 0; background: var(--bg); color: var(--text);
  overflow: hidden; display: none; flex-direction: column;
}
.sheet[open] { display: flex; animation: sheet-in 0.22s ease-out; }
.sheet > form { display: flex; flex-direction: column; min-height: 0; flex: 1; }
.sheet::backdrop { background: rgba(0, 0, 0, 0.35); }
@keyframes sheet-in { from { transform: translateY(40px); opacity: 0; } }
@media (min-width: 700px) { .sheet { margin: auto; border-radius: 16px; } }

.sheet-head {
  display: grid; grid-template-columns: 1fr auto 1fr; align-items: center;
  padding: 12px 16px; border-bottom: 1px solid var(--line); background: var(--card);
}
.sheet-head h2 { margin: 0; font-size: 17px; }
.sheet-head > :first-child { justify-self: start; }
.sheet-head > :last-child { justify-self: end; }
.text-btn { color: var(--accent); padding: 6px 2px; min-height: 36px; }
.text-btn.strong { font-weight: 700; }

.sheet-body {
  overflow-y: auto; padding: 16px 16px calc(24px + var(--safe-b)); display: grid; gap: 16px;
  grid-auto-rows: max-content; align-content: start; /* 中身が長いときに一覧が途中で切れないように */
  -webkit-overflow-scrolling: touch;
}
.field { display: grid; gap: 6px; border: 0; padding: 0; margin: 0; min-width: 0; }
.field-label { font-size: 13px; font-weight: 700; color: var(--sub); padding: 0 2px; }
.field input, .field select, .field textarea {
  width: 100%; border: 0; background: var(--card); border-radius: 10px;
  padding: 11px 12px; min-height: 44px; outline: none; -webkit-appearance: none; appearance: none;
}
.field select {
  background-image: linear-gradient(45deg, transparent 50%, var(--sub) 50%), linear-gradient(135deg, var(--sub) 50%, transparent 50%);
  background-position: calc(100% - 18px) 50%, calc(100% - 13px) 50%;
  background-size: 5px 5px; background-repeat: no-repeat;
}
.field input:focus, .field textarea:focus, .field select:focus { box-shadow: 0 0 0 2px var(--accent); }
.field-row { display: grid; grid-template-columns: 1.4fr 1fr; gap: 10px; }
.field-hint { font-size: 13px; color: var(--sub); margin: 0 2px; }

.quick-dates { display: flex; gap: 6px; flex-wrap: wrap; margin-top: -8px; }
.quick-dates button {
  font-size: 14px; padding: 5px 12px; border-radius: 999px; background: var(--card); color: var(--accent);
}

.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip {
  padding: 7px 13px; border-radius: 999px; background: var(--card); font-size: 15px;
  border: 1.5px solid transparent; min-height: 36px;
}
.chip[aria-pressed="true"] { border-color: var(--cat, var(--accent)); background: var(--accent-soft); font-weight: 600; }

.sheet-actions { display: grid; gap: 10px; margin-top: 4px; }
.wide-btn {
  width: 100%; padding: 12px; border-radius: 12px; background: var(--card); color: var(--accent);
  font-weight: 600; min-height: 48px;
}
.wide-btn.primary { background: var(--accent); color: #fff; }
.wide-btn.danger { color: var(--danger); }
.wide-btn:disabled { opacity: 0.5; }

/* 設定画面 */
.set-section { display: grid; gap: 8px; }
.set-section h3 { margin: 0 2px; font-size: 13px; color: var(--sub); }
.set-card { background: var(--card); border-radius: 12px; padding: 14px; display: grid; gap: 10px; }
.set-card p { margin: 0; font-size: 15px; }
.set-card .note { font-size: 13px; color: var(--sub); }
.set-card ol { margin: 0; padding-left: 1.3em; font-size: 15px; }
.set-card .field input { background: var(--field); }
.status { font-size: 14px; font-weight: 600; }
.status.ok { color: var(--ok); }
.status.ng { color: var(--danger); }
.btn-row { display: flex; gap: 8px; flex-wrap: wrap; }
.btn-row .wide-btn { flex: 1; min-width: 120px; background: var(--field); }
.btn-row .wide-btn.primary { background: var(--accent); color: #fff; }
.code-box {
  font-size: 28px; font-weight: 700; letter-spacing: 0.2em; text-align: center; padding: 8px;
  background: var(--field); border-radius: 10px; font-variant-numeric: tabular-nums;
}
.copy-line {
  font-size: 13px; background: var(--field); border-radius: 8px; padding: 8px 10px; word-break: break-all;
}

/* ---------- トースト ---------- */
.toast {
  position: fixed; left: 50%; transform: translateX(-50%);
  top: calc(10px + var(--safe-t)); z-index: 20;
  background: #2c2c2e; color: #fff; border-radius: 12px; padding: 10px 14px;
  display: flex; gap: 14px; align-items: center; font-size: 15px;
  max-width: calc(100% - 32px); width: max-content; box-shadow: 0 6px 24px rgba(0, 0, 0, 0.25);
  animation: toast-in 0.2s ease-out;
}
.toast-action { color: #64d2ff; font-weight: 700; white-space: nowrap; }
@keyframes toast-in { from { opacity: 0; transform: translate(-50%, -8px); } }

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

/* ---------- URL・文章からの読み取り ---------- */
.preview-read {
  width: 100%; padding: 10px 12px; border-radius: 12px; background: var(--accent); color: #fff;
  font-weight: 700; font-size: 15px; box-shadow: var(--shadow);
}
.preview-read:disabled { opacity: 0.7; }
.import-row {
  display: flex; align-items: center; gap: 12px; padding: 12px 14px; position: relative; cursor: pointer;
}
.import-row + .import-row::before {
  content: ""; position: absolute; top: 0; left: 50px; right: 0; height: 1px; background: var(--line);
}
.import-row input { width: 22px; height: 22px; flex: none; accent-color: var(--accent); }
.import-main { flex: 1; min-width: 0; display: grid; gap: 2px; }
.import-main .task-meta { font-size: 13px; color: var(--sub); }

/* 設定の「詳しい設定」 */
.advanced summary { font-size: 14px; color: var(--sub); cursor: pointer; padding: 2px; }
.advanced[open] summary { margin-bottom: 8px; }