:root {
  --bg: #faf7f2; --surface: #fff; --text: #2b2622; --muted: #7a716a; --border: #e7e0d6;
  --accent: #b4432f; --accent-text: #fff; --mine: #f3e3dc; --error: #b3261e;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root { --bg: #1c1a18; --surface: #262320; --text: #eee8e1; --muted: #a49a90; --border: #3a3531;
          --accent: #e0765f; --accent-text: #1c1a18; --mine: #4a2f27; --error: #f2b8b5; }
}
* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; }
body { background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
[hidden] { display: none !important; }
button { font: inherit; cursor: pointer; }

.login { max-width: 360px; margin: 12vh auto 0; padding: 0 16px; text-align: center; }
.login h1 { margin: 12px 0 4px; font-weight: 600; }
.sub { color: var(--muted); margin: 0 0 24px; }
.login form { display: grid; gap: 14px; text-align: left; }
.info { margin: 0; font-size: 15px; }
.login .link { margin-top: 8px; }
input[name=code] { font-size: 24px; letter-spacing: 6px; text-align: center; }
.login label { display: grid; gap: 4px; font-size: 14px; color: var(--muted); }
input, textarea { font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border);
                  border-radius: 10px; padding: 10px 12px; width: 100%; }
input:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.login button[type=submit] { background: var(--accent); color: var(--accent-text); border: 0; border-radius: 10px; padding: 11px; font-weight: 600; }
.error { color: var(--error); min-height: 1.2em; margin: 12px 0 0; font-size: 14px; }

.chat { display: flex; flex-direction: column; height: 100dvh; max-width: 760px; margin: 0 auto; }
header { display: flex; align-items: center; gap: 12px; padding: 12px 16px; border-bottom: 1px solid var(--border);
         padding-top: max(12px, env(safe-area-inset-top)); }
.title { font-weight: 600; }
.who { color: var(--muted); font-size: 14px; margin-right: auto; }
.link { background: none; border: 0; color: var(--accent); padding: 4px; font-size: 14px; }

#messages { flex: 1; overflow-y: auto; padding: 16px; display: flex; flex-direction: column; gap: 10px; }
.msg { max-width: 85%; padding: 10px 14px; border-radius: 16px; white-space: normal; overflow-wrap: anywhere; }
.msg.user { align-self: flex-end; background: var(--mine); border-bottom-right-radius: 4px; }
.msg.assistant { align-self: flex-start; background: var(--surface); border: 1px solid var(--border); border-bottom-left-radius: 4px; }
.msg.error { align-self: flex-start; color: var(--error); background: none; border: 1px dashed var(--error); }
.msg a { color: var(--accent); }
.msg ul { margin: 4px 0; padding-left: 20px; }
.meta { font-size: 12px; color: var(--muted); margin-top: 4px; }
.typing::after { content: "…"; animation: blink 1s infinite; }
@keyframes blink { 50% { opacity: .2; } }

.hint { color: var(--muted); text-align: center; margin: auto 0; }
.chip { margin: 4px; padding: 6px 12px; border: 1px solid var(--border); border-radius: 999px; background: var(--surface); color: var(--text); font-size: 14px; }

#chat-form { display: flex; gap: 8px; padding: 12px 16px; border-top: 1px solid var(--border);
             padding-bottom: max(12px, env(safe-area-inset-bottom)); }
#input { resize: none; max-height: 140px; }
#send { background: var(--accent); color: var(--accent-text); border: 0; border-radius: 10px; width: 48px; font-size: 18px; }
#send:disabled { opacity: .5; }

.table-wrap { overflow-x: auto; margin: 6px 0; }
.msg table { border-collapse: collapse; font-size: 14px; min-width: 100%; }
.msg th, .msg td { text-align: left; padding: 6px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
.msg th { font-weight: 600; white-space: nowrap; }
.msg td a { word-break: break-all; }
.msg:has(table) { max-width: 100%; }

.family { border-bottom: 1px solid var(--border); padding: 12px 16px; background: var(--surface); }
#family-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
#family-list button { width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 8px 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); color: var(--text); text-align: left; }
.badge { font-size: 12px; padding: 2px 8px; border-radius: 999px; white-space: nowrap; }
.badge.yes { background: #dcefdc; color: #1f5a1f; }
.badge.no { background: var(--border); color: var(--muted); }
@media (prefers-color-scheme: dark) { .badge.yes { background: #23422a; color: #b9e3bf; } }
.family-note { font-size: 13px; color: var(--muted); margin: 10px 0 0; }