:root {
  --bg: #f3f4f6;
  --panel: #ffffff;
  --panel-soft: #f8f9fb;
  --ink: #16181d;
  --sub: #5f6673;
  --muted: #8b919c;
  --line: #e3e6eb;
  --line-strong: #cfd4dc;
  --accent: #111318;
  --accent-soft: #eceef2;
  --good: #1f6b4f;
  --warn: #9a5b12;
  --risk: #9b2c2c;
  --shadow: 0 1px 2px rgba(16, 24, 40, .05), 0 8px 24px rgba(16, 24, 40, .05);
  --radius: 16px;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 12% 0%, #ffffff 0, rgba(255, 255, 255, 0) 34%),
    linear-gradient(180deg, #fafbfc 0%, var(--bg) 360px);
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  font-size: 14px;
  line-height: 1.55;
}

button, input, textarea { font: inherit; }
button { color: inherit; }
code {
  padding: 1px 5px;
  border: 1px solid var(--line);
  border-radius: 5px;
  background: var(--panel-soft);
  font-family: Consolas, "SFMono-Regular", monospace;
  font-size: 12px;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.app {
  width: min(1440px, 100%);
  min-height: 100vh;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 22px;
  padding: 14px 22px;
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, .88);
  backdrop-filter: blur(14px);
  position: sticky;
  top: 0;
  z-index: 20;
}

.brand { display: flex; align-items: center; gap: 11px; min-width: 230px; }
.brand-mark {
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  border-radius: 11px;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .08em;
}
.brand h1 { margin: 0; font-size: 15px; letter-spacing: -.01em; }
.brand p { margin: 1px 0 0; color: var(--sub); font-size: 11px; }

.tabs { display: flex; gap: 5px; padding: 3px; border: 1px solid var(--line); border-radius: 12px; background: var(--panel-soft); }
.tab {
  border: 0;
  border-radius: 9px;
  padding: 7px 14px;
  background: transparent;
  color: var(--sub);
  font-size: 12.5px;
  cursor: pointer;
}
.tab:hover { color: var(--ink); }
.tab.active { background: var(--panel); color: var(--ink); font-weight: 700; box-shadow: var(--shadow); }

.server-status {
  margin-left: auto;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 5px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--sub);
  background: var(--panel);
  font-size: 11px;
  white-space: nowrap;
}
.status-dot { width: 7px; height: 7px; border-radius: 50%; background: var(--muted); }
.server-status.online .status-dot { background: var(--good); box-shadow: 0 0 0 3px rgba(31, 107, 79, .12); }
.server-status.offline .status-dot { background: var(--risk); }

.demo-banner {
  padding: 8px 22px;
  border-bottom: 1px solid #eadfbd;
  background: #fff9e8;
  color: #6f5314;
  font-size: 11.5px;
  text-align: center;
}

.main-area { flex: 1; min-height: 0; }
.view { display: none; padding: 14px 22px 20px; }
.view.active { display: block; }

.search-row {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.search-row input[type="search"] {
  width: min(380px, 100%);
  padding: 10px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 11px;
  background: var(--panel);
  outline: none;
  box-shadow: var(--shadow);
}
.search-row input[type="search"]:focus { border-color: var(--accent); }

.chips, .cmp-chips { display: flex; flex-wrap: wrap; gap: 6px; }
.chip {
  padding: 6px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--sub);
  font-size: 11.5px;
  cursor: pointer;
}
.chip:hover, .chip.sel { border-color: var(--accent); color: var(--accent); }
.chip.sel { background: var(--accent); color: #fff; font-weight: 650; }

.dash { display: flex; gap: 14px; align-items: stretch; min-height: calc(100vh - 190px); }
.chat-col {
  width: 380px;
  flex: 0 0 380px;
  display: flex;
  flex-direction: column;
  min-height: 0;
  max-height: calc(100vh - 190px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.chat-head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 10px;
  padding: 14px 15px 11px;
  border-bottom: 1px solid var(--line);
}
.chat-head h2 { margin: 0; font-size: 13.5px; }
.chat-head p { margin: 2px 0 0; color: var(--sub); font-size: 11px; }
.pill {
  display: inline-flex;
  align-items: center;
  padding: 3px 8px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-soft);
  color: var(--sub);
  font-size: 10.5px;
  white-space: nowrap;
}
.chat-msgs { flex: 1; min-height: 0; overflow-y: auto; padding: 14px; }
.chat-foot { padding: 0 14px 11px; color: var(--muted); font-size: 10.5px; }
.chat-input-bar { display: flex; gap: 7px; padding: 10px 12px; border-top: 1px solid var(--line); background: var(--panel-soft); }
.chat-input-bar input {
  flex: 1;
  min-width: 0;
  padding: 9px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--panel);
  outline: none;
}
.chat-input-bar input:focus { border-color: var(--accent); }

.msg { display: flex; margin-bottom: 12px; }
.msg.user { justify-content: flex-end; }
.bubble { max-width: 94%; }
.bubble .txt {
  padding: 9px 11px;
  border: 1px solid var(--line);
  border-radius: 11px 11px 11px 3px;
  background: var(--panel-soft);
  font-size: 12.5px;
  line-height: 1.65;
}
.msg.user .bubble .txt { border-color: var(--accent); border-radius: 11px 11px 3px 11px; background: var(--accent); color: #fff; }
.advice-block { margin-top: 9px; padding: 10px 11px; border: 1px solid var(--line); border-radius: 11px; background: #fff; }
.advice-block h4 { margin: 0 0 5px; font-size: 11px; letter-spacing: .04em; text-transform: uppercase; color: var(--sub); }
.advice-block p { margin: 0 0 6px; font-size: 12px; }
.advice-block ul { margin: 0; padding-left: 17px; }
.advice-block li { margin: 2px 0; font-size: 11.5px; color: var(--sub); }
.advice-block .recommendation { margin: 6px 0 0; padding: 7px 8px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel-soft); }
.advice-block .recommendation b { font-size: 11.5px; }
.advice-block .recommendation span { display: block; margin-top: 2px; font-size: 11px; color: var(--sub); }
.disclaimer { margin-top: 7px; color: var(--muted); font-size: 10.5px; }

.panel-col { flex: 1; min-width: 0; }
#dashboard { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(320px, .9fr); gap: 12px; align-content: start; }
.span-2 { grid-column: 1 / -1; }

.card, .dash-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--panel);
  box-shadow: var(--shadow);
}
.card { padding: 15px 16px; }
.dash-card { padding: 14px 15px; min-width: 0; }
.card h2, .dash-card h2 { margin: 0 0 9px; font-size: 13.5px; }
.card h3 { margin: 0 0 9px; font-size: 13px; }
.dash-card h3 { display: flex; align-items: center; gap: 7px; margin: 0 0 10px; font-size: 13px; }
.dash-card h3 .tag { margin-left: auto; }
.tag {
  padding: 2px 7px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel-soft);
  color: var(--sub);
  font-size: 10px;
  font-weight: 500;
}
.muted { color: var(--sub); }
.small { font-size: 11px; }

.empty-state {
  grid-column: 1 / -1;
  min-height: 420px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 40px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .62);
  text-align: center;
}
.empty-state h2 { margin: 0; font-size: 15px; }
.empty-state p { max-width: 440px; margin: 0; color: var(--sub); font-size: 12px; }
.empty-icon { font-size: 34px; color: var(--line-strong); }

.overview {
  display: grid;
  grid-template-columns: 122px minmax(0, 1fr);
  gap: 14px;
  align-items: center;
}
.gauge { width: 116px; height: 116px; }
.gauge circle { fill: none; stroke-width: 8; }
.gauge .gauge-bg { stroke: #eceef2; }
.gauge .gauge-val { stroke: var(--accent); stroke-linecap: round; }
.gauge text { font-family: inherit; }
.gauge .gauge-num { fill: var(--ink); font-size: 24px; font-weight: 750; }
.gauge .gauge-cap { fill: var(--sub); font-size: 9px; }

.overview h3 { margin: 0; font-size: 17px; letter-spacing: -.01em; }
.overview .desc { margin: 2px 0 8px; color: var(--sub); font-size: 11.5px; }
.tag-row { display: flex; flex-wrap: wrap; gap: 5px; margin-bottom: 7px; }
.tag-row span { padding: 3px 7px; border: 1px solid var(--line); border-radius: 7px; background: var(--panel-soft); color: var(--sub); font-size: 10.5px; }
.health-line { font-size: 12px; }
.health-line b { font-size: 15px; }

.metric-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 7px; margin: 11px 0 3px; }
.metric { padding: 8px 9px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel-soft); }
.metric-value { font-size: 15px; font-weight: 720; white-space: nowrap; }
.metric-label { margin-top: 1px; color: var(--sub); font-size: 10px; }

.dimension-list { display: grid; gap: 6px; margin-top: 11px; }
.dimension-row { display: grid; grid-template-columns: 68px 1fr 30px; gap: 7px; align-items: center; font-size: 10.5px; color: var(--sub); }
.bar-svg { width: 100%; height: 6px; display: block; overflow: visible; }
.bar-bg { fill: #eceef2; }
.bar-fill { fill: var(--accent); }
.dimension-score { text-align: right; color: var(--ink); font-weight: 650; }

.map-shell { position: relative; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #fbfbfc; }
.map-svg { display: block; width: 100%; height: auto; }
.map-grid { stroke: #e6e8ec; stroke-width: 1; }
.map-ring { fill: rgba(17, 19, 24, .025); stroke: #aeb4bd; stroke-width: 1.2; stroke-dasharray: 4 4; }
.map-cross { stroke: #d7dae0; stroke-width: 1; }
.map-center { fill: #fff; stroke: var(--accent); stroke-width: 2; }
.map-store { cursor: pointer; stroke: #fff; stroke-width: 1.5; }
.map-store.focus { fill: var(--accent); }
.map-store.competitor { fill: #a4aab4; }
.map-store.selected { stroke: var(--warn); stroke-width: 3; }
.map-store:hover { stroke: var(--warn); }
.map-label { fill: var(--sub); font-size: 9px; }
.map-watermark { fill: #9aa0a9; font-size: 8px; letter-spacing: .12em; }
.map-legend { display: flex; flex-wrap: wrap; gap: 10px; padding: 7px 2px 2px; color: var(--sub); font-size: 10px; }
.map-legend span { display: inline-flex; align-items: center; gap: 4px; }
.legend-dot { width: 8px; height: 8px; display: inline-block; border-radius: 50%; background: var(--accent); }
.legend-dot.comp { background: #a4aab4; }
.legend-dot.center { background: #fff; border: 2px solid var(--accent); }
.store-detail { margin-top: 8px; padding: 9px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel-soft); font-size: 11px; color: var(--sub); }
.store-detail b { display: block; margin-bottom: 2px; color: var(--ink); font-size: 12px; }

.store-list { display: grid; gap: 5px; }
.store-row { display: grid; grid-template-columns: 9px 1fr; gap: 7px; padding: 7px 0; border-bottom: 1px solid var(--line); }
.store-row:last-child { border-bottom: 0; }
.store-dot { width: 7px; height: 7px; margin-top: 5px; border-radius: 50%; background: var(--accent); }
.store-name { font-size: 11.5px; font-weight: 650; }
.store-sub { margin-top: 1px; color: var(--sub); font-size: 10.5px; }
.sub-head { margin: 8px 0 4px; color: var(--sub); font-size: 10.5px; font-weight: 650; letter-spacing: .03em; text-transform: uppercase; }

.brand-bars { display: grid; gap: 7px; margin: 9px 0 11px; }
.brand-bar-row { display: grid; grid-template-columns: 92px 1fr 54px; gap: 8px; align-items: center; font-size: 10.5px; color: var(--sub); }
.brand-bar-row .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.brand-bar-row .value { text-align: right; color: var(--ink); }
.table-wrap { overflow-x: auto; }
.data-table { width: 100%; border-collapse: collapse; font-size: 10.5px; min-width: 380px; }
.data-table th, .data-table td { padding: 6px 5px; border: 1px solid var(--line); text-align: center; white-space: nowrap; }
.data-table th { background: var(--panel-soft); color: var(--sub); font-weight: 650; }
.data-table td.left, .data-table th.left { text-align: left; }
.data-table tr.best td { background: #f6fbf8; color: var(--good); font-weight: 650; }

.suggestion { display: grid; grid-template-columns: 44px 1fr; gap: 8px; padding: 8px 0; border-bottom: 1px solid var(--line); }
.suggestion:last-child { border-bottom: 0; }
.priority { align-self: start; padding: 2px 5px; border-radius: 5px; text-align: center; font-size: 9.5px; font-weight: 700; }
.priority.high { background: #fdecec; color: var(--risk); }
.priority.medium { background: #fff3de; color: var(--warn); }
.priority.low { background: #eaf4ef; color: var(--good); }
.suggestion b { display: block; font-size: 11.5px; }
.suggestion span { display: block; margin-top: 1px; color: var(--sub); font-size: 10.5px; }

.cmp-bar { display: flex; flex-direction: column; gap: 9px; min-height: 156px; }
.cmp-select { display: flex; align-items: flex-start; gap: 9px; flex-wrap: wrap; }
.cmp-label { padding-top: 5px; color: var(--sub); font-size: 11.5px; white-space: nowrap; }
.cmp-selected { display: flex; flex-wrap: wrap; gap: 6px; min-height: 28px; }
.sel-chip { display: inline-flex; align-items: center; gap: 5px; padding: 4px 6px 4px 10px; border: 1px solid var(--line); border-radius: 999px; background: var(--panel); font-size: 11px; }
.sel-chip button { border: 0; background: none; color: var(--sub); cursor: pointer; padding: 0 2px; }
.cmp-panel { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; align-items: start; }
.cmp-panel .empty-state { grid-column: 1 / -1; min-height: 300px; }
.cmp-panel .span-2 { grid-column: 1 / -1; }
.radar-wrap { display: flex; justify-content: center; }
.radar { width: 100%; max-width: 430px; height: auto; }
.radar-ring, .radar-axis { fill: none; stroke: #dfe3e8; stroke-width: 1; }
.radar-label { fill: var(--sub); font-size: 10px; }
.cmp-cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(190px, 1fr)); gap: 8px; }
.cmp-card { padding: 10px 11px; border: 1px solid var(--line); border-radius: 10px; background: var(--panel); text-align: left; cursor: pointer; }
.cmp-card:hover { border-color: var(--accent); }
.cmp-card-top { display: flex; justify-content: space-between; gap: 8px; font-size: 12px; font-weight: 700; }
.cmp-card-top b { font-size: 15px; }
.cmp-card-sub { margin-top: 3px; color: var(--sub); font-size: 10.5px; }
.conclusion { font-size: 12px; color: var(--sub); line-height: 1.75; }
.conclusion b { color: var(--ink); }

.settings-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; align-items: start; }
.card p { margin: 0 0 9px; color: var(--sub); font-size: 11.5px; line-height: 1.7; }
.kv { display: grid; grid-template-columns: 90px 1fr; gap: 6px 10px; margin: 0; font-size: 11px; }
.kv dt { color: var(--sub); }
.kv dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }
.field-label, .file-label { display: block; margin: 8px 0 4px; color: var(--sub); font-size: 10.5px; }
textarea, input[type="file"] {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--panel-soft);
  color: var(--ink);
  font-size: 11.5px;
}
textarea { padding: 8px 9px; resize: vertical; font-family: Consolas, "SFMono-Regular", monospace; line-height: 1.5; }
textarea:focus, input[type="file"]:focus { outline: 1px solid var(--accent); }
input[type="file"] { padding: 7px; }
.btn-row { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 9px; }
.btn {
  padding: 8px 12px;
  border: 1px solid var(--line-strong);
  border-radius: 9px;
  background: var(--panel);
  color: var(--ink);
  font-size: 11.5px;
  cursor: pointer;
}
.btn:hover { border-color: var(--accent); }
.btn.primary { border-color: var(--accent); background: var(--accent); color: #fff; font-weight: 650; }
.btn.primary:hover { opacity: .9; }
.btn.danger { border-color: #e4b9b9; color: var(--risk); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.feedback { min-height: 18px; margin-top: 7px; font-size: 10.5px; }
.feedback.ok { color: var(--good); }
.feedback.error { color: var(--risk); }
.status-box { padding: 9px 10px; border: 1px solid var(--line); border-radius: 9px; background: var(--panel-soft); color: var(--sub); font-size: 11px; }
.status-box.on { border-color: #b9dfcd; background: #f2faf6; color: var(--good); }
.plain-list { margin: 0; padding-left: 17px; color: var(--sub); font-size: 11.5px; }
.plain-list li { margin: 4px 0; }
.code-block { margin: 0; padding: 11px 12px; overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: #f8f9fb; font-family: Consolas, "SFMono-Regular", monospace; font-size: 10.5px; line-height: 1.55; }

.quick-questions { display: flex; flex-wrap: wrap; gap: 5px; }
.quick-questions .chip { font-size: 10.5px; padding: 4px 8px; }
.link-button {
  border: 0;
  padding: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 2px;
  cursor: pointer;
}
.link-button:hover { color: var(--sub); }
.radar-series { fill-opacity: .07; stroke-width: 1.8; }
.radar-series.s0 { fill: #111318; stroke: #111318; }
.radar-series.s1 { fill: #667085; stroke: #667085; }
.radar-series.s2 { fill: #9a5b12; stroke: #9a5b12; }
.radar-series.s3 { fill: #1f6b4f; stroke: #1f6b4f; }
.radar-series.s4 { fill: #7a4d8f; stroke: #7a4d8f; }
.series-dot { width: 8px; height: 8px; display: inline-block; border-radius: 50%; background: #111318; }
.series-dot.s1 { background: #667085; }
.series-dot.s2 { background: #9a5b12; }
.series-dot.s3 { background: #1f6b4f; }
.series-dot.s4 { background: #7a4d8f; }
.volume-focus { fill: var(--accent); }
.volume-comp { fill: #b4bac4; }
.brand-bar-row .bar-svg { height: 8px; }

.toast {
  position: fixed;
  left: 50%;
  bottom: 24px;
  z-index: 100;
  max-width: min(520px, calc(100vw - 32px));
  transform: translateX(-50%);
  padding: 9px 13px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--panel);
  box-shadow: 0 8px 30px rgba(16, 24, 40, .16);
  color: var(--ink);
  font-size: 11.5px;
  text-align: center;
}
.toast.error { border-color: #e4b9b9; color: var(--risk); }
.toast.ok { border-color: #b9dfcd; color: var(--good); }

.footer {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  padding: 12px 22px 16px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 10.5px;
}

@media (max-width: 1100px) {
  .topbar { flex-wrap: wrap; gap: 10px; }
  .server-status { margin-left: 0; }
  .dash { flex-direction: column; min-height: 0; }
  .chat-col { width: 100%; flex-basis: auto; max-height: 42vh; }
  #dashboard, .cmp-panel, .settings-grid { grid-template-columns: 1fr; }
  .span-2 { grid-column: auto; }
  .metric-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 640px) {
  .view { padding: 10px 12px 16px; }
  .topbar { padding: 11px 12px; }
  .brand { min-width: 0; }
  .tabs { order: 3; width: 100%; overflow-x: auto; }
  .overview { grid-template-columns: 1fr; }
  .gauge { margin: 0 auto; }
  .footer { padding: 10px 12px 14px; }
}