/* Memo（SK's Toolbox）— Google のマテリアルデザイン（Material 3）
   色は M3 の役割のトークン（オレンジ系の配色。ソースカラーは Memo のアイコンの #e5793f）
   テーマカラーを選ぶと、settings.js が --md-* を上書きする
   初期値は端末の設定に合わせ、<html data-theme="light|dark"> で固定できる（SK's Toolbox の共通の設定。/toolbox/shared/settings.js）
   共通の部品（アイコン・状態レイヤー・波紋・戻るボタン・スナックバー・ダイアログ）は /toolbox/shared/m3.css
   広い画面: 左に一覧、右に本文のパネル。せまい画面: 一覧と本文を切りかえる（.app.is-editing）
   本文（.doc）は contenteditable。見出し・リスト・チェックリスト（ul.checklist）・表・画像・引用・等幅の見た目もここ */
:root {
  --md-primary: #8b5000;
  --md-on-primary: #ffffff;
  --md-primary-container: #ffdcbe;
  --md-on-primary-container: #693c00;
  --md-secondary-container: #ffdcc2;
  --md-on-secondary-container: #58432c;
  --md-error: #ba1a1a;
  --md-surface: #fff8f5;
  --md-on-surface: #221a14;
  --md-on-surface-variant: #52443a;
  --md-surface-container-low: #fff1e8;
  --md-surface-container: #faebe0;
  --md-surface-container-high: #f4e5db;
  --md-surface-container-highest: #eee0d5;
  --md-outline: #84746a;
  --md-outline-variant: #d7c3b6;
  --md-inverse-surface: #382f28;
  --md-inverse-on-surface: #ffeee3;
  --md-inverse-primary: #ffb870;
  --memo-mark: rgba(255, 214, 0, .45);
  --md-font: "M PLUS 1", "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", "Yu Gothic UI", Meiryo, system-ui, sans-serif;
  --md-mono: "M PLUS 1 Code", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --md-emphasized: cubic-bezier(.2, 0, 0, 1);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --md-primary: #ffb870; --md-on-primary: #4a2800;
    --md-primary-container: #693c00; --md-on-primary-container: #ffdcbe;
    --md-secondary-container: #58432c; --md-on-secondary-container: #ffdcc2;
    --md-error: #ffb4ab;
    --md-surface: #1a120c; --md-on-surface: #f0dfd5; --md-on-surface-variant: #d7c3b6;
    --md-surface-container-low: #221a14; --md-surface-container: #271e18;
    --md-surface-container-high: #322822; --md-surface-container-highest: #3d332c;
    --md-outline: #9f8d82; --md-outline-variant: #52443a;
    --md-inverse-surface: #f0dfd5; --md-inverse-on-surface: #382f28; --md-inverse-primary: #8b5000;
    --memo-mark: rgba(255, 200, 0, .32);
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --md-primary: #ffb870; --md-on-primary: #4a2800;
  --md-primary-container: #693c00; --md-on-primary-container: #ffdcbe;
  --md-secondary-container: #58432c; --md-on-secondary-container: #ffdcc2;
  --md-error: #ffb4ab;
  --md-surface: #1a120c; --md-on-surface: #f0dfd5; --md-on-surface-variant: #d7c3b6;
  --md-surface-container-low: #221a14; --md-surface-container: #271e18;
  --md-surface-container-high: #322822; --md-surface-container-highest: #3d332c;
  --md-outline: #9f8d82; --md-outline-variant: #52443a;
  --md-inverse-surface: #f0dfd5; --md-inverse-on-surface: #382f28; --md-inverse-primary: #8b5000;
  --memo-mark: rgba(255, 200, 0, .32);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body {
  overflow: hidden;
  background: var(--md-surface-container); color: var(--md-on-surface);
  font-family: var(--md-font);
  -webkit-font-smoothing: antialiased; -webkit-tap-highlight-color: transparent;
}
button, input, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 3px solid var(--md-primary); outline-offset: 2px; }

.app {
  height: 100%;
  display: grid; grid-template-columns: minmax(300px, 360px) 1fr;
  padding: 0 max(8px, env(safe-area-inset-right)) 0 0;
}
.app-bar { display: flex; align-items: center; gap: 4px; min-height: 64px; }
.app-bar__space { flex: 1; }

/* ---- 一覧 ---- */
.side {
  position: relative; display: flex; flex-direction: column; min-height: 0;
  padding: max(4px, env(safe-area-inset-top)) 12px 0 max(12px, env(safe-area-inset-left));
}
.side__title { margin: 8px 12px 12px; font-size: 32px; font-weight: 400; line-height: 40px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.side__title small { font-size: 14px; color: var(--md-on-surface-variant); }

.search {
  display: flex; align-items: center; gap: 12px; height: 56px; margin: 0 4px 8px; padding: 0 16px;
  border-radius: 28px; background: var(--md-surface-container-high); color: var(--md-on-surface-variant); cursor: text;
}
.search input { flex: 1; min-width: 0; border: 0; outline: 0; background: none; font-size: 16px; color: var(--md-on-surface); }
.search input::placeholder { color: var(--md-on-surface-variant); }
.search:focus-within { background: var(--md-surface-container-highest); box-shadow: inset 0 0 0 2px var(--md-primary); }

/* フォルダ（フィルターチップ。横にスクロール） */
.folders { display: flex; gap: 8px; margin: 0 -12px 8px; padding: 4px 16px; overflow-x: auto; scrollbar-width: none; }
.folders::-webkit-scrollbar { display: none; }
.chip {
  display: inline-flex; align-items: center; gap: 6px; flex: none; height: 32px; padding: 0 14px 0 10px;
  border: 1px solid var(--md-outline-variant); border-radius: 8px; background: transparent; cursor: pointer;
  color: var(--md-on-surface-variant); font-size: 14px; font-weight: 500; white-space: nowrap;
}
.chip .msr { font-size: 18px; }
.chip small { font-size: 12px; opacity: .8; }
.chip[aria-checked="true"] { border-color: transparent; background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.chip--add { padding: 0 8px; border-style: dashed; }

/* リスト */
.list { flex: 1; overflow-y: auto; margin: 0 -4px; padding: 0 4px 104px; }
.list__head { margin: 16px 16px 8px; font-size: 14px; font-weight: 500; line-height: 20px; color: var(--md-primary); }
.note {
  display: flex; align-items: center; gap: 12px; width: 100%;
  margin: 0 0 4px; padding: 10px 12px 10px 16px; border: 0; border-radius: 16px;
  background: none; text-align: left; cursor: pointer;
}
.note[aria-current="true"] { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.note__body { flex: 1; min-width: 0; }
.note__title { display: flex; align-items: center; gap: 4px; font-size: 16px; font-weight: 500; line-height: 24px; }
.note__title span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.note__title .msr { flex: none; font-size: 16px; color: var(--md-primary); }
.note[aria-current="true"] .note__title .msr { color: inherit; }
.note__meta { display: flex; gap: 8px; font-size: 14px; line-height: 20px; color: var(--md-on-surface-variant); }
.note[aria-current="true"] .note__meta { color: inherit; opacity: .8; }
.note__meta time { flex: none; }
.note__meta span { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.note__folder { display: inline-flex; align-items: center; gap: 2px; margin-top: 2px; font-size: 12px; color: var(--md-on-surface-variant); }
.note__folder .msr { font-size: 14px; }
.note__thumb { width: 52px; height: 52px; flex: none; border-radius: 10px; object-fit: cover; background: var(--md-surface-container-highest); }
/* メモがないとき・見つからないとき */
.list:empty { display: none; }
.list__empty { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 8px; margin: 0 16px 104px; text-align: center; color: var(--md-on-surface-variant); }
.list__empty .msr { font-size: 40px; opacity: .6; }
.list__empty p { margin: 0; font-size: 14px; line-height: 22px; }
.side__note {
  position: absolute; left: max(24px, env(safe-area-inset-left)); right: 200px; bottom: max(16px, env(safe-area-inset-bottom));
  margin: 0; font-size: 11px; line-height: 16px; color: var(--md-on-surface-variant);
}

/* 拡張 FAB（せまい画面ではアイコンだけ） */
.fab {
  position: absolute; right: 16px; bottom: max(16px, env(safe-area-inset-bottom));
  display: inline-flex; align-items: center; gap: 12px; height: 56px; padding: 0 20px 0 16px;
  border: 0; border-radius: 16px; cursor: pointer;
  background: var(--md-primary-container); color: var(--md-on-primary-container);
  font-size: 14px; font-weight: 500; letter-spacing: .01em;
  box-shadow: 0 1px 3px rgba(0, 0, 0, .3), 0 4px 8px 3px rgba(0, 0, 0, .15);
}
.fab[hidden] { display: none; }

/* メニュー（…・段落のスタイル） */
.menu-wrap { position: relative; }
.menu {
  position: absolute; z-index: 20; top: calc(100% + 4px); right: 0;
  min-width: 260px; padding: 8px 0; border-radius: 4px;
  background: var(--md-surface-container); color: var(--md-on-surface);
  box-shadow: 0 1px 2px rgba(0, 0, 0, .3), 0 2px 6px 2px rgba(0, 0, 0, .15);
}
.menu button { display: flex; align-items: center; gap: 12px; width: 100%; min-height: 48px; padding: 0 16px 0 12px; border: 0; background: none; text-align: left; font-size: 14px; cursor: pointer; }
.menu .msr { color: var(--md-on-surface-variant); }
.menu hr { margin: 8px 0; border: 0; border-top: 1px solid var(--md-outline-variant); }

/* ---- 本文のパネル ---- */
.editor {
  position: relative; display: flex; flex-direction: column; min-width: 0; min-height: 0;
  margin: max(8px, env(safe-area-inset-top)) 0 max(8px, env(safe-area-inset-bottom));
  border-radius: 28px; background: var(--md-surface); overflow: hidden;
}
.editor__bar { padding: 0 8px 0 12px; flex: none; }
.editor__back { display: none; }
.editor__status { margin-left: 8px; font-size: 12px; line-height: 16px; color: var(--md-on-surface-variant); letter-spacing: .03em; white-space: nowrap; }
.editor__actions { display: inline-flex; align-items: center; gap: 2px; }
.editor__actions .text-btn .msr { font-size: 18px; margin-right: 6px; }
.editor__scroll { flex: 1; min-height: 0; overflow-y: auto; }
.editor__date { max-width: 760px; margin: 4px auto 0; padding: 0 32px; text-align: center; font-size: 12px; color: var(--md-on-surface-variant); }
.editor__foot {
  display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; flex: none;
  padding: 8px 32px 10px; border-top: 1px solid var(--md-outline-variant);
  font-size: 12px; line-height: 16px; color: var(--md-on-surface-variant);
}
.editor__blank {
  position: absolute; inset: 0; z-index: 3; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px;
  padding: 24px; background: var(--md-surface); color: var(--md-on-surface-variant); text-align: center; font-size: 14px;
}
.editor__blank img { width: 72px; height: 72px; border-radius: 22px; }
.editor__blank p { margin: 0; }
.has-note .editor__blank { display: none; }
/* ロックしたメモ（閉じているとき） */
.editor__locked { display: none; position: absolute; inset: 64px 0 0; z-index: 2; flex-direction: column; align-items: center; justify-content: center; gap: 14px; padding: 24px; background: var(--md-surface); color: var(--md-on-surface-variant); text-align: center; }
.editor__locked > .msr { font-size: 56px; color: var(--md-primary); font-variation-settings: "FILL" 1, "wght" 400, "GRAD" 0, "opsz" 48; animation: lock-in .5s cubic-bezier(.34, 1.4, .64, 1); }
.editor__locked p { margin: 0; font-size: 15px; }
.is-locked .editor__locked { display: flex; }
.is-locked .fmt, .is-locked .editor__foot { display: none; }
@keyframes lock-in { from { transform: scale(.6) rotate(-12deg); opacity: 0; } }
.lock-form { display: flex; flex-direction: column; gap: 12px; }
.lock-form .tbs-dialog__text { margin: 0; }
.chip--tag { border-style: dashed; }
/* 画像を大きく表示 */
.viewer { position: fixed; z-index: 60; inset: 0; display: grid; place-items: center; padding: 24px; background: rgba(0, 0, 0, .86); animation: viewer-in .25s ease; cursor: zoom-out; }
.viewer img { max-width: 100%; max-height: 100%; border-radius: 12px; box-shadow: 0 20px 60px rgba(0, 0, 0, .5); animation: viewer-zoom .35s cubic-bezier(.2, 0, 0, 1); cursor: default; }
.viewer__close { position: absolute; top: max(16px, env(safe-area-inset-top)); right: 16px; color: #fff; background: rgba(255, 255, 255, .12); }
@keyframes viewer-in { from { opacity: 0; } }
@keyframes viewer-zoom { from { transform: scale(.92); opacity: 0; } }
.doc img { cursor: zoom-in; }
.is-trash .fmt { display: none; }

/* ---- 本文（.doc）の書式 ---- */
.doc {
  max-width: 760px; min-height: 100%; margin: 0 auto; padding: 12px 32px 64px;
  outline: 0; font-size: 17px; line-height: 1.8; letter-spacing: .01em; color: var(--md-on-surface);
  caret-color: var(--md-primary); overflow-wrap: anywhere;
}
.doc:empty::before { content: attr(data-placeholder); color: var(--md-on-surface-variant); opacity: .7; pointer-events: none; }
/* 1 行目（タイトル）は大きく太く（Apple のメモと同じ）。1 行目が <div> に入っていなくても効くよう ::first-line で */
.doc::first-line { font-size: 26px; font-weight: 700; line-height: 1.5; }
.doc h1 { margin: 12px 0 4px; font-size: 26px; font-weight: 700; line-height: 1.4; }
.doc h2 { margin: 12px 0 4px; font-size: 21px; font-weight: 700; line-height: 1.45; }
.doc h3 { margin: 10px 0 2px; font-size: 18px; font-weight: 700; line-height: 1.5; }
.doc p { margin: 0; }
.doc b, .doc strong { font-weight: 700; }
.doc mark { background: var(--memo-mark); color: inherit; border-radius: 3px; padding: 0 1px; }
.doc a { color: var(--md-primary); text-decoration: underline; text-underline-offset: 3px; }
.doc ul, .doc ol { margin: 2px 0; padding-left: 1.6em; }
.doc li { padding-left: .1em; }
.doc li::marker { color: var(--md-primary); }
.doc blockquote { margin: 8px 0; padding: 2px 0 2px 16px; border-left: 4px solid var(--md-primary); color: var(--md-on-surface-variant); }
.doc pre { margin: 8px 0; padding: 12px 16px; border-radius: 12px; background: var(--md-surface-container-high); font-family: var(--md-mono); font-size: 15px; line-height: 1.6; white-space: pre-wrap; }
.doc code { font-family: var(--md-mono); font-size: .92em; padding: 1px 5px; border-radius: 4px; background: var(--md-surface-container-high); }
.doc hr { margin: 16px 0; border: 0; border-top: 1px solid var(--md-outline-variant); }
.doc img { display: block; max-width: 100%; height: auto; margin: 8px 0; border-radius: 12px; cursor: default; }
.doc img.is-selected { outline: 3px solid var(--md-primary); outline-offset: 2px; }
.doc img:not([src]) { min-height: 80px; min-width: 120px; background: var(--md-surface-container-high); }
/* チェックリスト */
.doc ul.checklist { list-style: none; padding-left: 0; }
.doc ul.checklist li { position: relative; padding-left: 34px; }
.doc ul.checklist li::before {
  content: ""; position: absolute; left: 2px; top: .35em; width: 20px; height: 20px; border-radius: 50%;
  border: 2px solid var(--md-outline); box-sizing: border-box; cursor: pointer;
}
.doc ul.checklist li.checked::before { border-color: var(--md-primary); background: var(--md-primary) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M6 12.5l4 4 8-9' fill='none' stroke='white' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 14px no-repeat; }
.doc ul.checklist li.is-pop::before { animation: check-pop .38s cubic-bezier(.34, 1.4, .64, 1); }
@keyframes check-pop { 0% { transform: scale(.6); } 60% { transform: scale(1.2); } 100% { transform: scale(1); } }
.doc ul.checklist li.checked { color: var(--md-on-surface-variant); text-decoration: line-through; text-decoration-color: var(--md-outline); }
.doc ul.checklist ul.checklist { margin: 0; }
/* 表 */
.doc table { width: 100%; margin: 8px 0; border-collapse: collapse; table-layout: fixed; font-size: 15px; line-height: 1.6; }
.doc td, .doc th { padding: 6px 10px; border: 1px solid var(--md-outline-variant); vertical-align: top; overflow-wrap: anywhere; }
.doc th { background: var(--md-surface-container-high); font-weight: 700; text-align: left; }
.doc td.is-cell, .doc th.is-cell { box-shadow: inset 0 0 0 2px var(--md-primary); }
.is-trash .doc { color: var(--md-on-surface-variant); }

/* ---- 書式のツールバー ---- */
.fmt { position: relative; flex: none; border-top: 1px solid var(--md-outline-variant); background: var(--md-surface-container-low); }
.fmt__row { display: flex; align-items: center; gap: 2px; padding: 6px 12px; overflow-x: auto; scrollbar-width: none; }
.fmt__row::-webkit-scrollbar { display: none; }
.fmt__row--table { border-top: 1px solid var(--md-outline-variant); gap: 4px; }
.fmt__row--table .text-btn { height: 36px; padding: 0 10px; flex: none; }
.fmt__row--table .text-btn .msr { font-size: 18px; margin-right: 2px; }
.fmt__label { flex: none; margin: 0 6px 0 4px; font-size: 13px; font-weight: 500; color: var(--md-on-surface-variant); }
.fmt__btn {
  display: grid; place-items: center; width: 40px; height: 40px; flex: none;
  border: 0; border-radius: 12px; background: none; color: var(--md-on-surface-variant); cursor: pointer;
}
.fmt__btn[aria-pressed="true"] { background: var(--md-secondary-container); color: var(--md-on-secondary-container); }
.fmt__sep { width: 1px; height: 24px; margin: 0 4px; flex: none; background: var(--md-outline-variant); }
.fmt__styles { top: auto; bottom: calc(100% + 4px); left: 8px; right: auto; min-width: 220px; }
.fmt__styles button { min-height: 44px; }
.fs-title { font-size: 22px; font-weight: 700; }
.fs-heading { font-size: 18px; font-weight: 700; }
.fs-sub { font-size: 16px; font-weight: 700; }
.fs-mono { font-family: var(--md-mono); }
.fs-quote { padding-left: 10px; border-left: 3px solid var(--md-primary); }

/* /toolbox/ の見本（?embed） */
.is-embed .app-bar > :not(.app-bar__space):not(.editor__status), .is-embed .fab, .is-embed .side__note, .is-embed .search, .is-embed .fmt, .is-embed .editor__actions { display: none; }
.is-embed .doc { pointer-events: none; }

/* ---- せまい画面: 一覧と本文を切りかえる ---- */
@media (max-width: 760px) {
  body { background: var(--md-surface); }
  .app { grid-template-columns: 1fr; padding: 0; }
  .side { padding-right: max(12px, env(safe-area-inset-right)); }
  .side__note { right: 96px; }
  .fab { width: 56px; padding: 0; justify-content: center; }
  .fab__label { display: none; }
  .editor { display: none; margin: 0; border-radius: 0; padding-top: env(safe-area-inset-top); }
  .app.is-editing .side { display: none; }
  .app.is-editing .editor { display: flex; }
  .editor__back { display: grid; }
  .editor__bar { padding-left: max(4px, env(safe-area-inset-left)); padding-right: 4px; }
  .editor__status { display: none; }
  .doc { padding: 8px 20px 48px; }
  .editor__date { padding: 0 20px; }
  .editor__foot { display: none; }
  .fmt { padding-bottom: env(safe-area-inset-bottom); }
  .snackbar { bottom: max(88px, env(safe-area-inset-bottom)); }
}
@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 1ms !important; }
}

/* パソコンでアプリとして入れ、タイトルバーを Toolbox のものにしたとき: 画像の拡大もタイトルバーの下から */
@media (display-mode: window-controls-overlay) {
  .viewer { top: var(--tbt-h); }
}