/* 滲テーマ最小組版 — 背景 Washi / 文字 Sumi / アクセント Ruri。
   静けさ = 倫理: 装飾・アニメ最小、称賛/急かし/「！」なし。ダークは今回不要。 */

:root {
  --washi: #f6f4f0;   /* 背景 */
  --sumi: #1e1e24;    /* 文字 */
  --ruri: #4a5e8a;    /* アクセント */
  --washi-panel: #eceae4;  /* 本人発話面 (右) */
  --hairline: #d9d5cd;     /* 墨かすれ罫の淡色 */
  --muted: #6b6b73;        /* 補助テキスト */
  --font: "Zen Kaku Gothic New", system-ui, -apple-system, "Hiragino Kaku Gothic ProN",
    "Noto Sans JP", Meiryo, sans-serif;
  --measure: 34rem;
  --radius: 14px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  height: 100%;
}

body {
  background: var(--washi);
  color: var(--sumi);
  font-family: var(--font);
  font-weight: 400;
  font-size: 17px;
  line-height: 1.9;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.app {
  display: flex;
  flex-direction: column;
  min-height: 100dvh;
  max-width: var(--measure);
  margin: 0 auto;
}

/* --- ヘッダ / ナビ --- */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 20px 10px;
  border-bottom: 1px solid var(--hairline);
}
.top .mark {
  font-weight: 200;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--sumi);
}
.nav {
  display: flex;
  gap: 4px;
}
.nav button {
  font-family: inherit;
  font-size: 14px;
  color: var(--muted);
  background: transparent;
  border: none;
  padding: 6px 10px;
  border-radius: 8px;
  cursor: pointer;
}
.nav button[aria-current="true"] {
  color: var(--sumi);
  background: var(--washi-panel);
}

/* --- ビュー切替 --- */
.view { display: none; flex: 1; flex-direction: column; }
.view.active { display: flex; }

/* --- 対話ビュー --- */
.messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.msg {
  max-width: 82%;
  padding: 12px 16px;
  border-radius: var(--radius);
  white-space: pre-wrap;
  word-break: break-word;
}
.msg.ai {
  align-self: flex-start;
  background: var(--washi);
  border: 1px solid var(--hairline);
}
.msg.me {
  align-self: flex-end;
  background: var(--washi-panel);
}
.msg.pending { color: var(--muted); font-style: normal; }

/* 蓄積の許可トグル */
.permission {
  padding: 12px 20px;
  border-bottom: 1px solid var(--hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-size: 14px;
  color: var(--muted);
}
.permission label { display: flex; align-items: center; gap: 8px; cursor: pointer; }

/* 確定カード (一文の差し出し) */
.offer-card {
  margin: 4px 20px 12px;
  padding: 16px;
  border: 1px solid var(--ruri);
  border-radius: var(--radius);
  background: var(--washi);
}
.offer-card .sentence {
  font-size: 18px;
  line-height: 1.7;
  margin: 0 0 14px;
}
.offer-card .actions { display: flex; flex-direction: column; gap: 8px; }
.offer-card textarea { display: none; margin-bottom: 8px; }
.offer-card.editing textarea { display: block; }

/* 入力 */
.composer {
  display: flex;
  gap: 8px;
  padding: 12px 20px calc(12px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--hairline);
  align-items: flex-end;
}
.composer textarea {
  flex: 1;
  resize: none;
  font-family: inherit;
  font-size: 16px;
  line-height: 1.6;
  color: var(--sumi);
  background: var(--washi);
  border: 1px solid var(--hairline);
  border-radius: 12px;
  padding: 10px 12px;
  max-height: 40vh;
}
.composer textarea:focus { outline: none; border-color: var(--ruri); }

.session-close {
  text-align: center;
  padding: 0 20px 8px;
}

/* --- 見返しビュー --- */
.review { padding: 20px; overflow-y: auto; }
.sentence-band {
  border-bottom: 1px solid var(--hairline);
  padding-bottom: 16px;
  margin-bottom: 16px;
}
.sentence-band h2 { font-size: 14px; font-weight: 500; color: var(--muted); margin: 0 0 10px; }
.sentence-band ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.sentence-band li { font-size: 16px; }
.sentence-band .date { color: var(--muted); font-size: 13px; margin-right: 8px; }

.session-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.session-card {
  border: 1px solid var(--hairline);
  border-radius: var(--radius);
  padding: 14px 16px;
  cursor: pointer;
  background: var(--washi);
}
.session-card .date { color: var(--muted); font-size: 13px; }
.session-card .sentence { font-size: 16px; margin: 4px 0 0; }
.session-card .topic { color: var(--muted); font-size: 14px; margin: 4px 0 0; }

.transcript { display: flex; flex-direction: column; gap: 14px; margin-top: 16px; }
.transcript .back { align-self: flex-start; }

/* --- 設定ビュー --- */
.settings { padding: 20px; overflow-y: auto; display: flex; flex-direction: column; gap: 22px; }
.settings section h2 { font-size: 15px; font-weight: 500; margin: 0 0 8px; }
.settings p.note { color: var(--muted); font-size: 13px; margin: 0 0 10px; }
.settings input[type="url"] {
  width: 100%;
  font-family: inherit;
  font-size: 15px;
  padding: 10px 12px;
  border: 1px solid var(--hairline);
  border-radius: 10px;
  background: var(--washi);
  color: var(--sumi);
}

/* --- ボタン (静かな共通形) --- */
button.q {
  font-family: inherit;
  font-size: 15px;
  color: var(--sumi);
  background: var(--washi);
  border: 1px solid var(--sumi);
  border-radius: 12px;
  padding: 10px 18px;
  cursor: pointer;
}
button.q.primary { background: var(--sumi); color: var(--washi); border-color: var(--sumi); }
button.q.subtle { border-color: var(--hairline); color: var(--muted); }
button.q.danger { border-color: #8a4a4a; color: #8a4a4a; }
button.q:disabled { opacity: 0.5; cursor: default; }

/* --- iOS 導線バナー --- */
.install-hint {
  display: none;
  padding: 10px 20px;
  border-top: 1px solid var(--hairline);
  color: var(--muted);
  font-size: 13px;
  text-align: center;
}
.install-hint.show { display: block; }

/* トグル (簡素なチェックボックス、装飾控えめ) */
input[type="checkbox"] { accent-color: var(--ruri); width: 18px; height: 18px; }
input[type="radio"] { accent-color: var(--ruri); width: 17px; height: 17px; }

/* --- プロフィール入力欄 (A0 / 設定 共通) --- */
.profile-form { display: flex; flex-direction: column; gap: 18px; }
.pf-field { display: flex; flex-direction: column; gap: 6px; margin: 0; padding: 0; border: none; }
.pf-field > span,
.pf-field legend { font-size: 14px; color: var(--muted); padding: 0; }
.pf-field input[type="text"],
.pf-field input[type="date"] {
  width: 100%;
  font-family: inherit;
  font-size: 16px;
  color: var(--sumi);
  background: var(--washi);
  border: 1px solid var(--hairline);
  border-radius: 10px;
  padding: 10px 12px;
}
.pf-field input:focus { outline: none; border-color: var(--ruri); }
.pf-gender { display: flex; flex-direction: column; gap: 10px; }
.pf-gender legend { margin-bottom: 4px; }
.pf-radio {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  color: var(--sumi);
  cursor: pointer;
}
.pf-gender-free { margin-top: 2px; }

/* --- A0 はじめの三問 (フルスクリーン) --- */
.onboarding {
  position: fixed;
  inset: 0;
  z-index: 10;
  background: var(--washi);
  overflow-y: auto;
  display: flex;
  justify-content: center;
}
.onboarding[hidden] { display: none; }
.onboarding-inner {
  width: 100%;
  max-width: var(--measure);
  padding: 12vh 24px calc(40px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.ob-mark { font-weight: 200; font-size: 20px; letter-spacing: 0.02em; margin: 0; color: var(--sumi); }
.ob-title { font-size: 22px; font-weight: 500; margin: 4px 0 0; }
.ob-lead { font-size: 15px; color: var(--muted); margin: 0 0 12px; line-height: 1.8; }
.onboarding .profile-form { margin-top: 4px; }
.ob-start { margin-top: 22px; align-self: stretch; }
.ob-note { font-size: 13px; color: var(--muted); margin: 10px 0 0; line-height: 1.8; }