:root {
  --bg: #ffffff;
  --paper-2: #f3f6fb;
  --card: #ffffff;
  --card-2: #f8fafc;
  --ink: #12151c;
  --ink-2: #1e2430;
  --muted: #5b6472;
  --line: #d7dee8;
  --accent: #2563eb;
  --ok: #16a34a;
  --danger: #dc2626;
  --warn: #d97706;
  --radius: 16px;
  --shadow: 0 12px 32px rgba(17, 24, 39, 0.08);
}
* { box-sizing: border-box; }
html { color-scheme: light; }
html, body { margin: 0; height: 100%; overflow: hidden; }
[hidden] { display: none !important; }
body {
  font-family: "Outfit", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.5;
  font-size: 16px;
  touch-action: manipulation;
}
button, input {
  font: inherit;
  font-size: 16px;
  color: inherit;
}
button {
  cursor: pointer;
  border: 0;
  background: var(--accent);
  color: #fff;
  border-radius: 12px;
  padding: 0.7rem 1rem;
  min-height: 48px;
  width: 100%;
}
input {
  width: 100%;
  margin-top: 0.3rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.85rem;
}
label { display: block; margin: 0 0 0.85rem; font-size: 0.9rem; }
.msg { min-height: 1.2em; font-size: 0.9rem; }
.msg.err { color: #b91c1c; }
.msg.ok { color: #15803d; }
.empty { color: var(--muted); }
.secondary {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  width: auto;
  min-height: 38px;
  padding: 0.3rem 0.75rem;
}

body.webchat-page {
  background: #fff;
  height: 100dvh;
  overflow: hidden;
}
.webchat {
  width: 100%;
  margin: 0 auto;
  height: 100%;
  min-height: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--bg);
}
.webchat-top {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 1rem;
  background: #fff;
  color: var(--ink);
  border-bottom: 3px solid transparent;
  border-image: linear-gradient(90deg, var(--danger) 0 33%, #fff 33% 66%, var(--accent) 66% 100%) 1;
  position: sticky;
  top: 0;
  z-index: 5;
}
.brand-home {
  display: inline-flex;
  flex-shrink: 0;
}
.brand-mark {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  display: grid;
  place-items: center;
  background: var(--paper-2);
  font-weight: 700;
  object-fit: cover;
}
.site-switch {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 0.75rem;
  align-items: center;
}
.site-switch a {
  color: var(--accent);
  font-weight: 650;
  text-decoration: none;
  font-size: 0.82rem;
}
.site-switch a:hover { text-decoration: underline; }
.site-switch-top { margin-left: auto; }
.webchat-foot a {
  color: var(--accent);
  font-weight: 650;
  text-decoration: none;
}
.webchat-top > div { flex: 1; min-width: 0; }
.webchat-top strong { display: block; font-size: 1.05rem; }
.webchat-top span { display: block; font-size: 0.78rem; color: var(--ok); }
.app-install {
  flex-shrink: 0;
  margin: 8px 12px 0;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #eff6ff;
  font-size: 0.88rem;
}
.app-install a {
  font-weight: 700;
  color: var(--accent);
  text-decoration: none;
}
.app-install small {
  display: block;
  color: var(--muted);
  margin-top: 4px;
  line-height: 1.35;
}
@media (display-mode: standalone) {
  .app-install { display: none !important; }
}
.wa-top {
  margin-left: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: inherit;
  text-decoration: none;
  font-weight: 700;
  font-size: 0.78rem;
}
.wa-top img { width: 28px; height: 28px; }
.wa-line {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.82rem;
  margin-top: 0.15rem;
}
.wa-line img { width: 16px; height: 16px; }
.webchat-gate {
  flex: 1;
  display: flex;
  flex-direction: column;
  padding: 1.4rem 1.1rem 2rem;
  gap: 0.4rem;
  background: var(--paper-2);
}
.webchat-gate h1 { margin: 0; font-size: clamp(1.25rem, 5vw, 1.55rem); }
.webchat-gate p { color: var(--muted); margin: 0 0 1rem; }
.webchat-foot {
  margin: 0;
  padding: 0.35rem 0 0.7rem;
  text-align: center;
  font-size: 0.72rem;
  color: var(--muted);
  background: #fff;
}
.assist {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--paper-2);
}
.thread {
  flex: 1;
  min-height: 0;
  overflow: auto;
  -webkit-overflow-scrolling: touch;
  padding: 1rem 1.05rem 0.6rem;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}
.bubble {
  max-width: 86%;
  padding: 0.7rem 0.85rem;
  border-radius: 16px;
  font-size: 0.95rem;
  animation: pop 0.28s ease;
}
.bubble p { margin: 0; white-space: pre-wrap; }
.bubble.out {
  align-self: flex-start;
  background: #fff;
  border: 1px solid var(--line);
  border-bottom-left-radius: 6px;
  display: flex;
  gap: 0.5rem;
  align-items: flex-end;
}
.bubble.out img.robo {
  width: 22px;
  height: 22px;
  border-radius: 7px;
  object-fit: cover;
  flex: 0 0 auto;
}
.bubble.in {
  align-self: flex-end;
  background: var(--accent);
  color: #fff;
  border-bottom-right-radius: 6px;
}
.bubble.cards {
  max-width: 100%;
  width: 100%;
  background: transparent;
  border: 0;
  padding: 0;
  display: block;
}
.typing {
  align-self: flex-start;
  display: inline-flex;
  gap: 5px;
  padding: 0.7rem 0.9rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  border-bottom-left-radius: 6px;
}
.typing i {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #94a3b8;
  animation: blink 1s infinite;
}
.typing i:nth-child(2) { animation-delay: 0.15s; }
.typing i:nth-child(3) { animation-delay: 0.3s; }
.chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  padding: 0.35rem 1.05rem 0.55rem;
}
.chips button {
  width: auto;
  min-height: 36px;
  padding: 0.35rem 0.75rem;
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.85rem;
}
.composer {
  display: flex;
  gap: 0.45rem;
  padding: 0.55rem 1.05rem 0.85rem;
  border-top: 1px solid var(--line);
  background: #fff;
}
.composer input {
  margin: 0;
  flex: 1;
}
.composer input[type="date"] {
  min-height: 2.8rem;
}
.composer button {
  width: auto;
  min-width: 5.4rem;
  padding: 0.65rem 0.9rem;
}
.agenda-item span { display: block; color: var(--muted); font-size: 0.8rem; }
.shop-hub { display: grid; gap: 0.65rem; }
.hub-url {
  margin: 0 0 1rem;
  padding: 12px 14px;
  background: #fff;
  border: 1px solid var(--line, #e5e7eb);
  border-radius: 14px;
  font-size: 0.95rem;
  color: var(--ink);
}
.link-card {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.9rem 1rem;
  color: inherit;
  text-decoration: none;
  box-shadow: var(--shadow);
}
.link-card .shop-logo {
  width: 44px;
  height: 44px;
  object-fit: cover;
  border-radius: 12px;
  flex-shrink: 0;
  background: #f6f3ee;
}
.link-card span { display: block; color: var(--muted); font-size: 0.82rem; margin-top: 0.15rem; }
.link-card strong { display: block; color: inherit; font-size: 1rem; }
.book-desk {
  flex: 1;
  overflow: auto;
  padding: 1.1rem 1.05rem 1.6rem;
  display: grid;
  gap: 1.05rem;
  align-content: start;
}
.book-hello { margin: 0; color: var(--muted); }
.book-step h2, .mine-box h2, .confirm-card h2 {
  margin: 0 0 0.55rem;
  font-size: 0.92rem;
  font-weight: 650;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--muted);
}
.choice-grid {
  display: grid;
  gap: 0.55rem;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
}
.choice-card {
  text-align: left;
  background: #fff;
  color: inherit;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 0.75rem 0.85rem;
  min-height: 64px;
  width: auto;
}
.choice-card strong { display: block; }
.choice-card span { display: block; margin-top: 0.2rem; font-size: 0.8rem; color: var(--muted); }
.choice-card.on, .slots button.on, .day-chip.on {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}
.day-row {
  display: flex;
  gap: 0.45rem;
  overflow-x: auto;
  padding-bottom: 0.2rem;
}
.day-chip {
  flex: 0 0 auto;
  width: auto;
  border: 1px solid var(--line);
  background: #fff;
  color: inherit;
  border-radius: 999px;
  padding: 0.5rem 0.85rem;
  min-height: 42px;
  white-space: nowrap;
  text-transform: capitalize;
}
.day-chip.weekend { border-color: #c9a227; }
.confirm-card {
  border: 1px solid var(--line);
  background: #fff;
  border-radius: 16px;
  padding: 0.9rem 1rem 1.05rem;
  display: grid;
  gap: 0.7rem;
}
.confirm-card p { margin: 0; }
.mine-list { display: grid; gap: 0.55rem; }
.book-switch { margin: 0; text-align: center; }
button.linkish {
  background: none;
  border: 0;
  color: var(--muted);
  text-decoration: underline;
  min-height: auto;
  padding: 0;
  width: auto;
}
.slots { display: flex; flex-wrap: wrap; gap: 6px; margin: 0 0 1rem; }
.slots button {
  min-width: 4.2rem;
  width: auto;
  padding: 0.35rem 0.5rem;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  border-radius: 8px;
  min-height: 42px;
}
.slots button.on { color: #fff; background: var(--accent); }
.slots-legend { font-size: 0.85rem; color: var(--muted); margin: 0 0 0.5rem; }
.agenda-item {
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 0.7rem 0.85rem;
  background: #fff;
  display: grid;
  gap: 0.35rem;
}
.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 600;
  padding: 0.1rem 0.4rem;
  border-radius: 999px;
  background: rgba(37, 99, 235, 0.12);
  color: var(--accent);
}
@keyframes pop {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: none; }
}
@keyframes blink {
  0%, 80%, 100% { opacity: 0.25; }
  40% { opacity: 1; }
}
@media (min-width: 720px) {
  .webchat {
    min-height: 100dvh;
    margin: 0;
    border: 0;
    border-radius: 0;
  }
  body.webchat-page { padding: 0; }
  .webchat-gate,
  .thread,
  .chips {
    width: min(880px, 100%);
    margin-left: auto;
    margin-right: auto;
  }
}
@media (max-width: 560px) {
  .site-switch-top { display: none; }
}