/* Full-page chat (chat.html) — uses tokens from styles.css :root */

html:has(body[data-page="chat"]) {
  height: 100%;
}

body[data-page="chat"] {
  margin: 0;
  height: 100%;
  overflow: hidden;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--site-bg);
  display: flex;
  flex-direction: column;
}

body[data-page="chat"] .chat-page {
  display: flex;
  flex-direction: column;
  height: 100%;
  max-width: 500px;
  margin: 0 auto;
  width: 100%;
  background: var(--site-surface);
}

body[data-page="chat"] .chat-page-head {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--site-chat-header);
  color: #fff;
  flex-shrink: 0;
}

body[data-page="chat"] .chat-page-head .back-btn {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  font-size: 18px;
  cursor: pointer;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

body[data-page="chat"] .chat-page-head .head-info {
  flex: 1;
  min-width: 0;
}

body[data-page="chat"] .chat-page-head .head-info strong {
  font-size: 16px;
  display: block;
}

body[data-page="chat"] .chat-page-head .head-info span {
  font-size: 11px;
  color: rgba(255, 255, 255, 0.72);
  line-height: 1.45;
}

body[data-page="chat"] .chat-lang-switch {
  position: relative;
  flex-shrink: 0;
}

body[data-page="chat"] .chat-lang-switch-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 5px 8px;
  border-radius: 14px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  color: #fff;
  font-size: 12px;
  cursor: pointer;
}

body[data-page="chat"] .chat-lang-switch-menu {
  position: absolute;
  top: calc(100% + 4px);
  right: 0;
  background: #fff;
  border-radius: 10px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
  min-width: 150px;
  overflow: hidden;
  z-index: 200;
}

body[data-page="chat"] .chat-lang-switch-menu button {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  padding: 10px 14px;
  border: none;
  background: none;
  color: var(--site-ink);
  font-size: 13px;
  cursor: pointer;
  text-align: left;
}

body[data-page="chat"] .chat-lang-switch-menu button:hover {
  background: var(--site-surface-soft);
}

body[data-page="chat"] .chat-lang-switch-menu button.active {
  background: var(--site-accent);
  color: var(--site-primary);
  font-weight: 600;
}

body[data-page="chat"] .chat-page-head .auth-btn {
  padding: 6px 14px;
  border-radius: 16px;
  border: none;
  background: #fff;
  color: var(--site-primary);
  font-size: 13px;
  cursor: pointer;
  white-space: nowrap;
  flex-shrink: 0;
  font-weight: 600;
}

body[data-page="chat"] .chat-page-head .auth-btn.is-logged-in {
  background: rgba(255, 255, 255, 0.25);
  color: #fff;
}

body[data-page="chat"] .chat-page-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--site-line);
  flex-shrink: 0;
  overflow-x: auto;
}

body[data-page="chat"] .chat-page-quick button {
  padding: 6px 12px;
  border-radius: 16px;
  border: 1px solid rgba(47, 122, 79, 0.14);
  background: var(--site-surface-soft);
  color: var(--site-primary-deep);
  font-size: 12px;
  white-space: nowrap;
  cursor: pointer;
}

body[data-page="chat"] .chat-page-quick button:hover {
  border-color: var(--site-primary);
  background: var(--site-accent);
}

body[data-page="chat"] .chat-page-body {
  flex: 1;
  overflow-y: auto;
  padding: 12px;
  -webkit-overflow-scrolling: touch;
  background: var(--chat-body-bg);
}

body[data-page="chat"] .chat-page-body .msg {
  display: flex;
  margin-bottom: 14px;
}

body[data-page="chat"] .chat-page-body .msg.user {
  justify-content: flex-end;
}

body[data-page="chat"] .chat-page-body .msg .bubble {
  max-width: 82%;
  padding: 10px 14px;
  border-radius: 16px;
  font-size: 14px;
  line-height: 1.6;
  word-break: break-word;
}

body[data-page="chat"] .chat-page-body .msg.assistant .bubble {
  background: var(--bubble-assistant-bg);
  color: var(--site-ink);
  border: 1px solid var(--bubble-assistant-border);
  border-bottom-left-radius: 4px;
}

body[data-page="chat"] .chat-page-body .msg.agent .bubble {
  background: var(--site-surface);
  color: var(--site-ink);
  border: 1px solid var(--bubble-assistant-border);
  border-bottom-left-radius: 4px;
}

body[data-page="chat"] .chat-page-body .msg.agent .bubble p {
  color: var(--site-primary-deep);
  font-weight: 600;
}

body[data-page="chat"] .chat-page-body .msg.user .bubble {
  background: var(--site-primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

body[data-page="chat"] .chat-page-body .msg img {
  max-width: 160px;
  max-height: 160px;
  border-radius: 10px;
  margin-bottom: 6px;
  display: block;
}

body[data-page="chat"] .chat-page-form {
  display: flex;
  gap: 6px;
  align-items: flex-end;
  padding: 10px 12px;
  border-top: 1px solid var(--site-line);
  flex-shrink: 0;
  background: #fff;
}

body[data-page="chat"] .chat-page-form > div {
  flex: 1;
  width: 100%;
  min-width: 0;
  display: flex;
  flex-direction: column;
  align-items: stretch;
}

body[data-page="chat"] .chat-page-form .img-preview-bar {
  display: none;
  width: 100%;
  padding: 6px 10px;
  background: var(--site-accent);
  border: 1px solid rgba(47, 122, 79, 0.2);
  border-radius: 10px;
  font-size: 12px;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

body[data-page="chat"] .chat-page-form .img-preview-bar.show {
  display: flex;
}

body[data-page="chat"] .chat-page-form .img-preview-bar .remove {
  cursor: pointer;
  color: var(--handoff-accent);
  font-weight: bold;
  flex-shrink: 0;
}

body[data-page="chat"] .chat-page-form input[type="text"] {
  flex: 1;
  padding: 10px 14px;
  border: 1px solid #d0d5dd;
  border-radius: 20px;
  font-size: 14px;
  outline: none;
}

body[data-page="chat"] .chat-page-form input[type="text"]:focus {
  border-color: var(--site-primary);
}

body[data-page="chat"] .chat-page-form .send-btn {
  min-height: 44px;
  padding: 10px 20px;
  border-radius: 20px;
  border: none;
  background: var(--site-primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  flex-shrink: 0;
}

body[data-page="chat"] .chat-page-form .send-btn:hover:not(:disabled) {
  background: var(--site-primary-deep);
}

body[data-page="chat"] .chat-page-form .send-btn:disabled {
  opacity: 0.5;
}

body[data-page="chat"] .chat-plus-btn {
  flex-shrink: 0;
  min-width: 44px;
  min-height: 44px;
  width: 44px;
  height: 44px;
  border: 1px solid rgba(47, 122, 79, 0.18);
  border-radius: 50%;
  background: #f6faf7;
  color: #5b846b;
  font-size: 18px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0;
  line-height: 1;
}

body[data-page="chat"] .chat-plus-btn.has-img {
  border-color: var(--site-primary);
  background: var(--site-accent);
  color: var(--site-primary);
}

body[data-page="chat"] .chat-input-row {
  display: flex;
  gap: 6px;
  align-items: flex-end;
  flex-wrap: nowrap;
  width: 100%;
  min-width: 0;
  position: relative;
}

body[data-page="chat"] .chat-plus-menu {
  display: none;
  position: absolute;
  bottom: 50px;
  left: 0;
  background: #fff;
  border: 1px solid #e8e8e8;
  border-radius: 12px;
  padding: 4px;
  box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.08);
  z-index: 1000;
}

body[data-page="chat"] .chat-plus-menu.is-open {
  display: block;
}

body[data-page="chat"] .chat-plus-menu-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  padding: 10px 12px;
  border-radius: 8px;
  white-space: nowrap;
  min-height: 44px;
}

body[data-page="chat"] .chat-plus-menu-item:hover {
  background: var(--site-surface-soft);
}

body[data-page="chat"] .chat-plus-menu-item--handoff {
  color: var(--site-primary);
  font-weight: 600;
}

body[data-page="chat"] .chat-emoji-panel {
  display: none;
  position: absolute;
  bottom: 50px;
  right: 0;
  background: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 12px;
  padding: 8px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.12);
  z-index: 999;
  width: min(300px, calc(100vw - 24px));
  max-height: 220px;
  overflow-y: auto;
}

body[data-page="chat"] .chat-emoji-panel.is-open {
  display: block;
}

body[data-page="chat"] .chat-emoji-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: 4px;
}

body[data-page="chat"] .chat-emoji-grid span {
  cursor: pointer;
  font-size: 18px;
  padding: 4px;
  text-align: center;
  border-radius: 4px;
}

body[data-page="chat"] .chat-emoji-grid span:hover {
  background: #f0f0f0;
}

/* Auth modal on chat page — scoped overrides */
body[data-page="chat"] .auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(0, 0, 0, 0.45);
}

body[data-page="chat"] .auth-dialog {
  background: #fff;
  border-radius: 16px;
  padding: 24px;
  width: 90%;
  max-width: 360px;
}

body[data-page="chat"] .auth-dialog input {
  width: 100%;
  padding: 10px;
  margin-bottom: 10px;
  border: 1px solid #d0d5dd;
  border-radius: 10px;
  font-size: 14px;
}

body[data-page="chat"] .auth-dialog button[type="submit"] {
  width: 100%;
  padding: 12px;
  border-radius: 10px;
  border: none;
  background: var(--site-primary);
  color: #fff;
  font-size: 15px;
  cursor: pointer;
}

body[data-page="chat"] .auth-dialog button[type="submit"]:hover {
  background: var(--site-primary-deep);
}

body[data-page="chat"] .auth-dialog .auth-tabs {
  display: flex;
  gap: 0;
  margin-bottom: 16px;
}

body[data-page="chat"] .auth-dialog .auth-tab {
  flex: 1;
  padding: 8px;
  text-align: center;
  border-bottom: 2px solid var(--site-line);
  cursor: pointer;
  font-size: 14px;
  color: var(--site-muted);
}

body[data-page="chat"] .auth-dialog .auth-tab.active {
  border-bottom-color: var(--site-primary);
  color: var(--site-primary);
  font-weight: 600;
}

body[data-page="chat"] .auth-forgot {
  text-align: right;
  margin: -8px 0 0;
  font-size: 12px;
}

body[data-page="chat"] .auth-forgot a {
  color: var(--site-muted);
  text-decoration: none;
}

body[data-page="chat"] .auth-forgot a:hover {
  color: var(--site-primary);
}

body[data-page="chat"] .auth-dialog .auth-error {
  color: var(--handoff-accent);
  font-size: 12px;
  margin-bottom: 8px;
}

body[data-page="chat"] .msg.assistant.chat-thinking .bubble {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0;
  min-width: 52px;
  padding: 12px 16px;
  background: var(--bubble-assistant-bg);
  border: 1px solid var(--bubble-assistant-border);
}

body[data-page="chat"] .chat-plus-menu-item--handoff.handoff-off-hours {
  color: var(--site-muted);
  opacity: 0.72;
  pointer-events: none;
}

body[data-page="chat"] .chat-toast {
  bottom: 120px;
}

body[data-page="chat"] .auth-dialog .auth-hint {
  font-size: 12px;
  color: var(--site-muted);
  margin-bottom: 10px;
}