/* AIシュンコーチ デモ — Shun Golf 配色（shungolfacademy.com 実測値）
   navy #1A2742 / gold #C9A961 / gold-accent #D4AD53 / cream #FAF5EC
   ink-on-gold #2D1E14 / ink-brown #3D2817 */

:root {
  --navy: #1a2742;
  --gold: #c9a961;
  --gold-accent: #d4ad53;
  --cream: #faf5ec;
  --ink-on-gold: #2d1e14;
  --ink-brown: #3d2817;
  --line: rgba(61, 40, 23, 0.12);
  --danger: #b3261e;
  --danger-bg: #fdecea;

  --font-mincho: "Hiragino Mincho ProN", "Yu Mincho", "YuMincho", "MS PMincho", serif;
  --font-gothic: "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Yu Gothic", "Meiryo",
    system-ui, sans-serif;
}

* {
  box-sizing: border-box;
}

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

body {
  background: var(--cream);
  color: var(--ink-brown);
  font-family: var(--font-gothic);
  font-size: 16px;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
}

[hidden] {
  display: none !important;
}

/* ---------- パスコードゲート ---------- */

.gate {
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  background: var(--navy);
}

.gate-card {
  width: 100%;
  max-width: 360px;
  background: #fff;
  border-radius: 18px;
  padding: 28px 24px;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.25);
}

.gate-title {
  font-family: var(--font-mincho);
  font-size: 22px;
  letter-spacing: 0.06em;
  margin: 0;
  color: var(--navy);
}

.gate-note {
  margin: 6px 0 22px;
  font-size: 12px;
  color: rgba(61, 40, 23, 0.6);
}

.gate-label {
  display: block;
  font-size: 12px;
  font-weight: 700;
  margin-bottom: 6px;
}

.gate-input {
  width: 100%;
  padding: 12px 14px;
  font-size: 16px;
  font-family: inherit;
  color: var(--ink-brown);
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 12px;
}

.gate-input:focus {
  outline: 2px solid var(--gold-accent);
  outline-offset: 1px;
}

.gate-error {
  margin: 12px 0 0;
  padding: 8px 12px;
  border-radius: 10px;
  background: var(--danger-bg);
  color: var(--danger);
  font-size: 13px;
}

.gate-button {
  width: 100%;
  margin-top: 18px;
  padding: 13px;
  font-family: inherit;
  font-size: 15px;
  font-weight: 700;
  color: var(--ink-on-gold);
  background: var(--gold);
  border: none;
  border-radius: 12px;
  cursor: pointer;
}

.gate-button:active {
  background: var(--gold-accent);
}

.gate-button:disabled {
  opacity: 0.5;
  cursor: default;
}

/* ---------- チャット3層 ---------- */

.app {
  height: 100dvh;
  display: flex;
  flex-direction: column;
}

.header {
  flex-shrink: 0;
  background: var(--navy);
  padding: 10px 16px calc(10px + env(safe-area-inset-top, 0px));
  padding-top: calc(10px + env(safe-area-inset-top, 0px));
  padding-bottom: 10px;
  text-align: center;
}

.header-title {
  margin: 0;
  font-family: var(--font-mincho);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--gold);
}

.header-sub {
  margin: 2px 0 0;
  font-size: 11px;
  line-height: 1.4;
  color: rgba(250, 245, 236, 0.7);
}

.messages {
  flex: 1;
  min-height: 0;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
  padding: 16px 14px 8px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.empty {
  margin: 24px auto 0;
  max-width: 420px;
  text-align: center;
}

.empty-lead {
  margin: 0 0 18px;
  font-size: 14px;
  color: rgba(61, 40, 23, 0.7);
}

.chips {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: center;
}

.chip {
  max-width: 100%;
  padding: 9px 16px;
  font-family: inherit;
  font-size: 13px;
  color: var(--ink-brown);
  background: #fff;
  border: 1px solid var(--gold);
  border-radius: 999px;
  cursor: pointer;
}

.chip:active {
  background: rgba(201, 169, 97, 0.18);
}

/* ---------- 吹き出し ---------- */

.row {
  display: flex;
}

.row.user {
  justify-content: flex-end;
}

.row.assistant {
  justify-content: flex-start;
}

.bubble {
  max-width: 80%;
  padding: 10px 14px;
  border-radius: 18px;
  font-size: 15px;
  line-height: 1.75;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.row.user .bubble {
  background: var(--gold);
  color: var(--ink-on-gold);
  border-bottom-right-radius: 4px;
}

.row.assistant .bubble {
  background: #fff;
  color: var(--ink-brown);
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 2px rgba(61, 40, 23, 0.08);
}

.bubble.thinking {
  color: rgba(61, 40, 23, 0.55);
}

/* 限定Markdownの出力要素 */
.bubble p {
  margin: 0;
}

.bubble p + p {
  margin-top: 0.35em;
}

.bubble ul {
  margin: 0.4em 0;
  padding-left: 1.2em;
}

.bubble li {
  margin: 0.15em 0;
}

.bubble strong {
  font-weight: 700;
}

.md-gap {
  height: 0.5em;
}

.error {
  align-self: center;
  max-width: 90%;
  padding: 10px 16px;
  border-radius: 14px;
  background: var(--danger-bg);
  color: var(--danger);
  font-size: 13px;
  text-align: center;
}

/* ---------- 入力バー ---------- */

.composer {
  flex-shrink: 0;
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 10px 12px calc(10px + env(safe-area-inset-bottom, 0px));
  background: #fff;
  border-top: 1px solid var(--line);
}

.input {
  flex: 1;
  min-height: 44px;
  max-height: 128px;
  padding: 11px 14px;
  font-family: inherit;
  font-size: 16px;
  line-height: 1.5;
  color: var(--ink-brown);
  background: var(--cream);
  border: 1px solid var(--line);
  border-radius: 14px;
  resize: none;
}

.input:focus {
  outline: 2px solid var(--gold-accent);
  outline-offset: 1px;
}

.send {
  flex-shrink: 0;
  height: 44px;
  padding: 0 18px;
  font-family: inherit;
  font-size: 14px;
  font-weight: 700;
  color: var(--ink-on-gold);
  background: var(--gold);
  border: none;
  border-radius: 14px;
  cursor: pointer;
}

.send:active {
  background: var(--gold-accent);
}

.send:disabled {
  opacity: 0.4;
  cursor: default;
}