:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: #1b2530;
  background: #f3f5f7;
  font-synthesis: none;
}

* { box-sizing: border-box; }
body { margin: 0; min-width: 320px; background: #f3f5f7; font-size: 15px; }
button { font: inherit; letter-spacing: 0; cursor: pointer; }
.hidden { display: none !important; }

.topbar {
  min-height: 72px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 20px;
  padding: 10px 28px;
  background: #fff;
  border-bottom: 1px solid #dce1e6;
}
.brand, .runtime, .actions { display: flex; align-items: center; }
.brand { gap: 11px; }
.brand-mark {
  width: 38px; height: 38px; display: grid; place-items: center;
  border-radius: 6px; background: #17202a; color: #fff; font-weight: 800;
}
.brand div { display: grid; gap: 2px; }
.brand strong { font-size: 16px; }
.brand span, .runtime { color: #68737e; font-size: 13px; }
.runtime { gap: 8px; }
.health-dot { width: 8px; height: 8px; border-radius: 50%; background: #c6ccd2; }
.health-dot.online { background: #16865e; }
.actions { justify-content: flex-end; gap: 8px; }
.primary, .secondary {
  min-height: 40px; padding: 0 15px; border-radius: 5px; font-size: 13px; font-weight: 700;
}
.primary { border: 1px solid #17202a; background: #17202a; color: #fff; }
.secondary { border: 1px solid #cfd6dc; background: #fff; color: #4b5864; }
.secondary.enabled { border-color: #16865e; color: #0d6848; background: #eef8f4; }

main { max-width: 1840px; margin: 0 auto; }
.summary-band { padding: 26px 28px 22px; background: #fff; border-bottom: 1px solid #dce1e6; }
.summary-heading { display: flex; justify-content: space-between; align-items: end; gap: 20px; }
.eyebrow { margin: 0 0 6px; color: #cf3f3f; font-size: 12px; font-weight: 800; text-transform: uppercase; }
h1 { margin: 0; font-size: 30px; letter-spacing: 0; }
.refresh-meta { display: grid; justify-items: end; gap: 5px; color: #78838d; font-size: 12px; }
.refresh-meta time { color: #3e4a55; font-weight: 700; }
.metrics { display: grid; grid-template-columns: repeat(5, minmax(130px, 1fr)); margin-top: 18px; border: 1px solid #dce1e6; }
.metric { min-height: 82px; display: grid; gap: 5px; align-content: center; text-align: left; padding: 12px 18px; border: 0; border-right: 1px solid #dce1e6; background: #fff; }
.metric:last-child { border-right: 0; }
.metric span { color: #68737e; font-size: 14px; }
.metric strong { font-size: 26px; }
.metric.danger strong { color: #c83f3f; }
.metric.success strong { color: #147650; }
.metric.warning strong { color: #a45e14; }

.alert-banner { display: flex; align-items: center; gap: 18px; margin: 18px 28px 0; padding: 15px 18px; background: #fff1f1; border: 1px solid #efb5b5; border-left: 4px solid #ca3f3f; }
.alert-banner strong { color: #9f2727; font-size: 15px; }
.alert-banner span { color: #6b3434; font-size: 14px; }
.toast { position: fixed; top: 78px; right: 22px; z-index: 20; max-width: min(420px, calc(100vw - 32px)); padding: 12px 16px; border: 1px solid #b9d8c9; border-radius: 5px; background: #edf7f2; box-shadow: 0 8px 24px #1b253026; color: #185f43; font-size: 14px; font-weight: 700; }

.queue-section { margin-top: 18px; padding-bottom: 16px; background: #eef1f3; border-top: 1px solid #dce1e6; border-bottom: 1px solid #dce1e6; }
.queue-toolbar { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 14px 28px; background: #fff; border-bottom: 1px solid #e3e7eb; }
h2 { margin: 0 0 6px; font-size: 18px; letter-spacing: 0; }
.queue-toolbar p { margin: 0; color: #77828d; font-size: 14px; }
.filters { display: flex; border: 1px solid #d5dbe0; border-radius: 5px; overflow: hidden; }
.filters button { min-height: 40px; padding: 0 15px; border: 0; border-right: 1px solid #d5dbe0; background: #fff; color: #5d6974; font-size: 14px; }
.filters button:last-child { border-right: 0; }
.filters button.active { background: #27323c; color: #fff; }
.queue-list { display: grid; gap: 12px; padding: 16px 28px 0; }
.queue-item { overflow: hidden; background: #fff; border: 1px solid #d7dde2; border-left: 4px solid #9aa5af; border-radius: 6px; }
.queue-item.queue-risk-a { border-left-color: #278060; }
.queue-item.queue-risk-b { border-left-color: #be7b24; }
.queue-item.queue-risk-c, .queue-item.queue-risk-u { border-left-color: #c64848; }
.queue-item-head { min-height: 62px; display: grid; grid-template-columns: minmax(190px, auto) 1fr auto; align-items: center; gap: 18px; padding: 11px 16px; border-bottom: 1px solid #e2e6e9; }
.queue-identity { display: flex; align-items: baseline; gap: 10px; }
.queue-identity strong { font-size: 16px; }
.queue-identity span { color: #7b8690; font-size: 12px; }
.queue-badges { display: flex; align-items: center; flex-wrap: wrap; gap: 6px; }
.queue-grid { display: grid; grid-template-columns: minmax(220px, .9fr) minmax(360px, 1.45fr) minmax(240px, 1fr); }
.queue-pane { min-width: 0; padding: 17px 18px 19px; border-right: 1px solid #e5e9ec; }
.queue-pane:last-child { border-right: 0; }
.queue-pane h3 { margin: 0 0 9px; color: #77828d; font-size: 12px; font-weight: 700; }
.queue-pane strong { display: block; font-size: 16px; }
.queue-pane small { display: block; margin-top: 9px; color: #7b8690; font-size: 12px; }
.risk, .status { display: inline-flex; align-items: center; min-height: 27px; padding: 0 9px; border-radius: 4px; font-size: 11px; font-weight: 800; }
.risk-a, .status-sent, .status-rule_sent, .status-human_sent { background: #e9f6f0; color: #116747; }
.risk-b { background: #fff4df; color: #8c570e; }
.risk-c, .risk-u, .status-human_required, .status-failed { background: #fdeaea; color: #a52f2f; }
.thai-copy { color: #202c36; font-size: 16px; line-height: 1.7; }
.reply-language { display: block; margin-bottom: 4px; color: #7a858f; font-size: 11px; font-weight: 700; }
.reply-translation { margin-top: 12px; padding-top: 11px; border-top: 1px solid #dce2e6; color: #47535d; font-size: 14px; line-height: 1.65; }
.summary-copy { margin: 7px 0 0; color: #4c5964; font-size: 14px; line-height: 1.65; }
.priority { display: inline-flex; padding: 3px 8px; margin-bottom: 5px; border-radius: 4px; font-size: 11px; font-weight: 800; }
.priority-high { background: #fdeaea; color: #a52f2f; }.priority-check { background: #fff4df; color: #8c570e; }.priority-normal { background: #e9f6f0; color: #116747; }
.operator-copy { margin: 0; color: #3f4b55; font-size: 14px; line-height: 1.65; }.safety-copy { margin: 10px 0 0; color: #8b5a48; font-size: 12px; line-height: 1.6; }
.reason-copy { color: #7a4b3b; font-size: 12px; }
.empty-state { padding: 48px 20px; text-align: center; color: #78838d; font-size: 14px; }
.case-button { min-width: 100px; white-space: nowrap; }
dialog { width: min(900px, calc(100vw - 28px)); max-height: calc(100vh - 28px); padding: 0; border: 1px solid #ccd3d9; border-radius: 7px; box-shadow: 0 20px 60px #1b253033; }
dialog::backdrop { background: #14202b99; }
.dialog-head { position: sticky; top: 0; z-index: 3; display: flex; justify-content: space-between; align-items: center; padding: 18px 22px; background: #fff; border-bottom: 1px solid #dde2e6; }
.icon-button { width: 34px; height: 34px; border: 0; background: transparent; color: #53606b; font-size: 26px; }
.case-loading { padding: 60px 24px; text-align: center; color: #68737e; }
#case-content { padding: 0 22px 22px; }
#case-content section { padding: 18px 0; border-bottom: 1px solid #e1e5e8; }
#case-content h3 { margin: 0 0 12px; font-size: 16px; }
.case-meta { display: grid; grid-template-columns: 1fr 1fr; border-bottom: 1px solid #e1e5e8; }
.case-meta div { padding: 14px 0; }
.case-meta span { display: block; color: #727e88; font-size: 12px; }
.case-meta strong { display: block; margin-top: 4px; font-size: 14px; }
.conversation { display: grid; gap: 10px; }
.message { max-width: 78%; padding: 10px 12px; border-radius: 6px; background: #f0f3f5; }
.message.shop { margin-left: auto; background: #eaf4ef; }
.message small { margin: 0 0 5px; }
.message p { margin: 0; white-space: pre-wrap; }
.message .translation { margin-top: 7px; padding-top: 7px; border-top: 1px solid #d5dce1; color: #5b6670; }
.message img { display: block; max-width: 240px; max-height: 300px; margin-top: 8px; object-fit: contain; }
.model-panel { background: #f6f8f9; padding-left: 13px !important; padding-right: 13px !important; border-left: 3px solid #27323c; }
.business-panel { background: #f4f8f6; }
#business-context { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px 18px; }
#business-context div { min-width: 0; }
#business-context span { display: block; color: #727e88; font-size: 13px; }
#business-context strong { display: block; margin-top: 3px; overflow-wrap: anywhere; font-size: 15px; }
.warning-copy, .form-error { color: #a23434; }
textarea, .login-form input { width: 100%; margin-top: 8px; padding: 11px 13px; border: 1px solid #bfc8cf; border-radius: 5px; font: inherit; font-size: 15px; line-height: 1.65; }
.reply-tools, .dialog-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; margin-top: 9px; }
.reply-tools span { margin-right: auto; color: #77828d; font-size: 12px; }
.translation-box { margin-top: 10px; padding: 11px; background: #edf5f1; border-left: 3px solid #16865e; color: #34423b; }
.confirm-row { display: flex; align-items: flex-start; gap: 8px; padding: 16px 0; font-size: 14px; }
.confirm-row input { margin: 1px 0 0; }
.danger-button { min-height: 40px; padding: 0 16px; border: 1px solid #b62f2f; border-radius: 5px; background: #b62f2f; color: #fff; font-weight: 700; }
.danger-button:disabled, button:disabled { cursor: not-allowed; opacity: .5; }
.link-button { display: inline-flex; align-items: center; text-decoration: none; }
.locator-help { margin: 0; color: #66727c; font-size: 12px; line-height: 1.65; }
.login-page { min-height: 100vh; display: grid; place-items: center; background: #eef1f3; }
.login-shell { width: min(420px, calc(100vw - 30px)); padding: 24px; background: #fff; border: 1px solid #d4dbe0; border-radius: 7px; }
.login-form { margin-top: 28px; display: grid; gap: 10px; }
.login-form h1 { font-size: 24px; }.login-form p { margin: 0; color: #68737e; font-size: 14px; }.login-form label { margin-top: 10px; font-size: 14px; font-weight: 700; }

.system-alert { padding: 20px; border-left: 4px solid #b97819; }
.system-alert p { margin: 8px 0 0; overflow-wrap: anywhere; }
.health-dot.warning { background: #b97819; }
#system-alerts:empty { display: none; }

@media (max-width: 820px) {
  .topbar { grid-template-columns: 1fr auto; padding: 10px 16px; }
  .runtime { grid-column: 1 / -1; grid-row: 2; }
  .summary-band { padding: 24px 16px 18px; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .alert-banner { margin: 14px 16px 0; align-items: flex-start; flex-direction: column; gap: 4px; }
  .queue-toolbar { align-items: flex-start; flex-direction: column; padding: 14px 16px; }
  .queue-list { padding: 12px 16px 0; }
  .queue-item-head { grid-template-columns: 1fr auto; gap: 9px; }
  .queue-badges { grid-column: 1 / -1; grid-row: 2; }
  .queue-item-head .case-button { grid-column: 2; grid-row: 1; }
  .queue-grid { grid-template-columns: 1fr; }
  .queue-pane { border-right: 0; border-bottom: 1px solid #e5e9ec; }
  .queue-pane:last-child { border-bottom: 0; }
  .case-meta, #business-context { grid-template-columns: 1fr; }.message { max-width: 92%; }.dialog-actions { align-items: stretch; flex-direction: column; }.dialog-actions > * { justify-content: center; width: 100%; }
}

@media (max-width: 480px) {
  .brand span { display: none; }
  .actions { gap: 5px; }
  .primary, .secondary { padding: 0 8px; }
  .summary-heading { align-items: flex-start; flex-direction: column; }
  .refresh-meta { justify-items: start; }
  .metrics { grid-template-columns: 1fr 1fr; }
  .metric { padding: 12px; }
  .filters { width: 100%; }
  .filters { overflow-x: auto; }
  .filters button { flex: 0 0 auto; padding: 0 9px; }
}