:root {
  /* ── Warm Sunrise palette ──────────────────────────────── */
  --bg: #FDF7F2;            /* warm cream background        */
  --card: #ffffff;
  --ink: #3B2A1A;          /* warm dark brown text        */
  --muted: #A07850;        /* soft tan for secondary text */
  --body-ink: #5C3D20;     /* readable warm body text     */
  --primary: #C06828;      /* terracotta                  */
  --primary-dark: #A5551C; /* darker terracotta (hover)   */
  --accent: #FEF3E8;       /* pale peach item background  */
  --accent-border: #E8934A;/* warm orange left-accent     */
  --border: #EBDFD3;       /* warm hairline               */
  --radius: 16px;
  --shadow: 0 2px 16px rgba(180, 100, 50, 0.08);
  --serif: Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--ink);
  line-height: 1.55;
}

.app {
  max-width: 560px;
  margin: 0 auto;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.screen { flex: 1; display: flex; flex-direction: column; padding: 20px; }
.hidden { display: none !important; }

.card {
  background: var(--card);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  margin: auto 0;
}
.card.center { text-align: center; }

/* ── Brand wordmark ─────────────────────────────────────── */
.brand {
  font-family: var(--serif);
  font-size: 1.9rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.5px;
  margin: 0 0 2px;
}

h1 { font-family: var(--serif); font-size: 1.5rem; margin: 0 0 2px; color: var(--ink); }
h2 { font-family: var(--serif); font-size: 1.4rem; margin: 0 0 8px; color: var(--ink); }
h3 { font-family: var(--serif); margin: 0 0 8px; color: var(--ink); }
.subtitle { color: var(--muted); margin: 0 0 18px; font-size: 0.95rem; }
.lead { font-size: 1rem; color: var(--body-ink); }

.consent-points { list-style: none; padding: 0; margin: 20px 0; }
.consent-points li {
  padding: 12px 16px;
  background: var(--accent);
  border-left: 3px solid var(--accent-border);
  border-radius: 8px;
  margin-bottom: 10px;
  font-size: 0.95rem;
  color: var(--body-ink);
}
.consent-points li strong { color: var(--primary); }

.regulatory {
  font-size: 0.8rem;
  color: var(--muted);
  border-top: 1px solid var(--border);
  padding-top: 14px;
  margin-top: 4px;
}

/* ── Buttons ────────────────────────────────────────────── */
.btn {
  font-size: 1rem;
  padding: 14px 24px;
  border-radius: 24px;          /* pill shape */
  border: none;
  cursor: pointer;
  font-weight: 600;
  transition: background 0.15s ease;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-dark); }
.btn-ghost { background: transparent; color: var(--muted); }
.btn-ghost:hover { color: var(--primary); }
.btn-small {
  background: var(--accent); color: var(--primary);
  padding: 9px 14px; font-size: 0.85rem; border-radius: 20px;
}
.btn-small:hover { background: #FCE6D2; }
.actions { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 20px; align-items: center; }
.actions .btn-primary { flex: 0 1 auto; }

/* ── Chat ───────────────────────────────────────────────── */
#chat { padding: 0; }
.chat-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  padding: 14px 18px;
  position: sticky; top: 0; z-index: 5;
}
.chat-header-top { display: flex; align-items: center; justify-content: space-between; }
.chat-header .title {
  font-family: var(--serif);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--primary);
}
.anon-badge {
  margin-top: 8px;
  font-size: 0.78rem;
  color: var(--muted);
  background: var(--accent);
  padding: 7px 12px;
  border-radius: 8px;
}

.messages { flex: 1; overflow-y: auto; padding: 18px; display: flex; flex-direction: column; gap: 12px; }
.msg { max-width: 82%; padding: 11px 15px; border-radius: 16px; font-size: 0.97rem; white-space: pre-wrap; line-height: 1.5; }
.msg.assistant {
  background: var(--card);
  border: 1px solid var(--border);
  color: var(--body-ink);
  align-self: flex-start;
  border-bottom-left-radius: 4px;
  box-shadow: var(--shadow);
}
.msg.family { background: var(--primary); color: #fff; align-self: flex-end; border-bottom-right-radius: 4px; }
.msg.typing { color: var(--muted); font-style: italic; }

.chips { display: flex; flex-wrap: wrap; gap: 8px; padding: 0 18px 10px; }
.chip {
  background: var(--accent); color: var(--primary);
  border: 1px solid var(--border); border-radius: 20px;
  padding: 8px 14px; font-size: 0.85rem; cursor: pointer;
  transition: background 0.15s ease;
}
.chip:hover { background: #FCE6D2; }

.chat-form { display: flex; gap: 8px; padding: 14px 18px; border-top: 1px solid var(--border); background: var(--card); }
.chat-input { flex: 1; padding: 13px 16px; border: 1px solid var(--border); border-radius: 24px; font-size: 1rem; background: var(--bg); color: var(--ink); }
.chat-input:focus { outline: none; border-color: var(--accent-border); }
.btn-send { flex: 0 0 auto; }
.link-end { background: none; border: none; color: var(--muted); text-decoration: underline; padding: 14px; cursor: pointer; font-size: 0.9rem; text-align: center; }
.link-end:hover { color: var(--primary); }

/* ── Survey ─────────────────────────────────────────────── */
.survey-q { margin: 18px 0; }
.q-text { font-weight: 600; margin: 0 0 8px; color: var(--body-ink); }
.scale { display: flex; gap: 8px; }
.scale button {
  flex: 1; padding: 13px 0; border: 1px solid var(--border);
  background: var(--card); border-radius: 12px; font-size: 1rem; cursor: pointer;
  color: var(--body-ink); transition: all 0.15s ease;
}
.scale button:hover { border-color: var(--accent-border); }
.scale button.selected { background: var(--primary); color: #fff; border-color: var(--primary); }

/* ── Modal ──────────────────────────────────────────────── */
.modal { position: fixed; inset: 0; background: rgba(59, 42, 26, 0.45); display: flex; align-items: center; justify-content: center; padding: 20px; }
.modal-card { background: var(--card); border-radius: var(--radius); padding: 28px; max-width: 420px; box-shadow: var(--shadow); }
.modal-card p { color: var(--body-ink); }