:root {
  color-scheme: light;
  --ink: #16211c;
  --muted: #66746e;
  --line: #dbe5df;
  --soft: #f3f7f4;
  --paper: #ffffff;
  --accent: #167a52;
  --accent-2: #d8efe5;
  --warn: #b45309;
  --danger: #b42318;
  --shadow: 0 20px 55px rgba(26, 45, 37, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #eef4f0;
  color: var(--ink);
  font-family: Inter, "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  padding-top: 3.5rem;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

button:disabled {
  cursor: not-allowed;
  opacity: 0.55;
}

.radar-shell {
  width: min(1420px, calc(100vw - 32px));
  margin: 0 auto;
  padding: 24px 0 40px;
}

.hero-band {
  display: flex;
  justify-content: space-between;
  gap: 24px;
  min-height: 210px;
  padding: 32px;
  border: 1px solid #cfe0d7;
  border-radius: 8px;
  background:
    linear-gradient(135deg, rgba(22, 122, 82, 0.94), rgba(17, 72, 54, 0.92)),
    url("data:image/svg+xml,%3Csvg width='180' height='180' viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' stroke='%23ffffff' stroke-opacity='.18'%3E%3Cpath d='M0 40h180M0 90h180M0 140h180M40 0v180M90 0v180M140 0v180'/%3E%3C/g%3E%3C/svg%3E");
  color: #f7fffb;
  box-shadow: var(--shadow);
}

.hero-band h1 {
  margin: 6px 0 12px;
  font-size: clamp(30px, 4vw, 54px);
  line-height: 1.05;
  letter-spacing: 0;
}

.hero-copy {
  width: min(600px, 100%);
  margin: 0;
  color: rgba(247, 255, 251, 0.82);
  font-size: 15px;
  line-height: 1.8;
}

.eyebrow {
  margin: 0;
  color: currentColor;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.14em;
  opacity: 0.7;
  text-transform: uppercase;
}

.status-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(110px, 1fr));
  gap: 10px;
  align-self: end;
  min-width: 420px;
}

.metric {
  padding: 18px;
  border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
}

.metric span,
.summary-strip span {
  display: block;
  color: inherit;
  font-size: 12px;
  opacity: 0.72;
}

.metric strong {
  display: block;
  margin-top: 8px;
  font-size: 28px;
}

.tool-grid {
  display: grid;
  grid-template-columns: 330px minmax(0, 1fr);
  gap: 18px;
  margin-top: 18px;
}

.query-panel,
.results-panel,
.manage-panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  box-shadow: 0 8px 24px rgba(26, 45, 37, 0.08);
}

.query-panel {
  position: sticky;
  top: 16px;
  align-self: start;
  padding: 20px;
}

.results-panel {
  min-height: 560px;
  padding: 22px;
}

.manage-panel {
  margin-top: 18px;
  padding: 22px;
}

.panel-heading,
.results-toolbar,
.toolbar-actions,
.upload-layout,
.file-row {
  display: flex;
  align-items: center;
}

.panel-heading {
  gap: 12px;
  margin-bottom: 18px;
}

.panel-heading h2,
.results-toolbar h2 {
  margin: 0;
  font-size: 20px;
}

.panel-heading p {
  margin: 3px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.step {
  display: inline-grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border-radius: 8px;
  background: var(--accent-2);
  color: var(--accent);
  font-weight: 900;
}

.field {
  display: grid;
  gap: 7px;
  margin-bottom: 14px;
}

.field span {
  color: #46554f;
  font-size: 13px;
  font-weight: 700;
}

.field input {
  width: 100%;
  height: 42px;
  border: 1px solid #cfdcd5;
  border-radius: 8px;
  padding: 0 12px;
  background: #fbfdfc;
  color: var(--ink);
  outline: none;
}

.field input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(22, 122, 82, 0.14);
}

.primary-action,
.ghost-action {
  min-height: 40px;
  border-radius: 8px;
  padding: 0 14px;
  font-weight: 800;
}

.primary-action {
  width: 100%;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
}

.ghost-action {
  border: 1px solid #cbd9d2;
  background: #fff;
  color: #244037;
}

.query-panel .ghost-action {
  width: 100%;
  margin-top: 8px;
}

.side-note {
  display: grid;
  gap: 6px;
  margin-top: 18px;
  padding: 14px;
  border-radius: 8px;
  background: var(--soft);
  color: var(--muted);
  font-size: 13px;
  line-height: 1.55;
}

.side-note strong {
  color: var(--ink);
}

.results-toolbar {
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
}

.toolbar-actions {
  gap: 8px;
}

.message {
  margin: 10px 0 16px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 13px;
  line-height: 1.6;
}

.is-muted {
  border: 1px solid #dce6e1;
  background: #f8fbf9;
  color: var(--muted);
}

.is-error {
  border: 1px solid #f3c5bf;
  background: #fff5f3;
  color: var(--danger);
}

.is-good {
  border: 1px solid #bfe2d2;
  background: #effaf4;
  color: var(--accent);
}

.summary-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
  margin-bottom: 14px;
}

.summary-strip > div {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfc;
}

.summary-strip strong {
  display: block;
  margin-top: 6px;
  font-size: 22px;
}

.quote-deck {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-bottom: 16px;
}

.quote-card {
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
  background: #fff;
}

.quote-card.is-best {
  border-color: #7cc4a4;
  background: #f4fbf7;
}

.quote-card h3 {
  margin: 0;
  font-size: 15px;
}

.quote-card .price {
  display: block;
  margin: 12px 0 6px;
  color: var(--accent);
  font-size: 26px;
  font-weight: 900;
}

.quote-card dl {
  display: grid;
  grid-template-columns: 70px 1fr;
  gap: 7px 10px;
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 12px;
}

.quote-card dd,
.quote-card dt {
  margin: 0;
}

.quote-card dd {
  color: #243d34;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.badge {
  display: inline-flex;
  align-items: center;
  height: 22px;
  margin-top: 10px;
  border-radius: 999px;
  padding: 0 9px;
  background: var(--accent-2);
  color: var(--accent);
  font-size: 12px;
  font-weight: 800;
}

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 980px;
}

th,
td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  font-size: 13px;
  white-space: nowrap;
}

th {
  background: #f5f8f6;
  color: #5e6c66;
  font-size: 12px;
}

tbody tr:last-child td {
  border-bottom: 0;
}

tbody tr:first-child td {
  background: #f4fbf7;
  font-weight: 700;
}

.upload-layout {
  align-items: stretch;
  gap: 16px;
}

.drop-zone {
  display: grid;
  place-items: center;
  gap: 8px;
  width: 46%;
  min-height: 190px;
  border: 2px dashed #abc8ba;
  border-radius: 8px;
  background: #f8fbf9;
  text-align: center;
  cursor: pointer;
}

.drop-zone.is-over {
  border-color: var(--accent);
  background: #ecf8f2;
}

.drop-zone input {
  display: none;
}

.drop-icon {
  display: inline-grid;
  place-items: center;
  width: 58px;
  height: 58px;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  font-weight: 900;
}

.drop-zone small {
  color: var(--muted);
}

.upload-options {
  flex: 1;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fbfdfc;
}

.file-list {
  display: grid;
  gap: 8px;
  margin-top: 14px;
}

.file-row {
  justify-content: space-between;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.file-row.is-disabled {
  opacity: 0.55;
}

.file-title {
  min-width: 0;
}

.file-title strong {
  display: block;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.file-title span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font-size: 12px;
}

.file-actions {
  display: flex;
  gap: 8px;
}

.danger-action {
  border-color: #efc9c3;
  color: var(--danger);
}

@media (max-width: 980px) {
  .hero-band,
  .tool-grid,
  .upload-layout {
    grid-template-columns: 1fr;
    flex-direction: column;
  }

  .status-grid {
    min-width: 0;
    width: 100%;
  }

  .tool-grid {
    display: grid;
  }

  .query-panel {
    position: static;
  }

  .quote-deck,
  .summary-strip {
    grid-template-columns: 1fr;
  }

  .drop-zone {
    width: 100%;
  }
}

@media (max-width: 620px) {
  .radar-shell {
    width: min(100vw - 18px, 1420px);
    padding-top: 9px;
  }

  .hero-band,
  .query-panel,
  .results-panel,
  .manage-panel {
    padding: 16px;
  }

  .status-grid {
    grid-template-columns: 1fr;
  }

  .results-toolbar,
  .toolbar-actions,
  .file-row,
  .file-actions {
    align-items: stretch;
    flex-direction: column;
  }
}

.help-card {
  width: min(720px, 100%);
  margin-top: 18px;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  color: #f7fffb;
}

.help-card summary {
  padding: 12px 14px;
  cursor: pointer;
  font-weight: 800;
  list-style-position: inside;
}

.help-body {
  padding: 0 16px 16px;
  color: rgba(247, 255, 251, 0.86);
  font-size: 13px;
  line-height: 1.65;
}

.help-body ol {
  margin: 0 0 12px 18px;
  padding: 0;
}

.help-body code {
  padding: 2px 5px;
  border-radius: 5px;
  background: rgba(0, 0, 0, 0.22);
  color: #fff;
}

.api-setting {
  display: grid;
  grid-template-columns: 120px minmax(180px, 1fr) auto;
  gap: 8px;
  align-items: center;
  margin-top: 12px;
}

.api-setting label {
  font-weight: 800;
}

.api-setting input {
  height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.34);
  border-radius: 8px;
  padding: 0 10px;
  background: rgba(255, 255, 255, 0.95);
  color: var(--ink);
  outline: none;
}

.light-action {
  min-height: 38px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 8px;
  padding: 0 12px;
  background: #ffffff;
  color: #14543d;
  font-weight: 900;
}

.help-tip {
  margin: 10px 0 0;
  color: rgba(247, 255, 251, 0.78);
}

@media (max-width: 720px) {
  .api-setting {
    grid-template-columns: 1fr;
  }
}

/* Optimized quote result list */
.quote-deck {
  grid-template-columns: 1fr;
  gap: 10px;
}

.quote-card.quote-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr) minmax(110px, auto);
  gap: 14px;
  align-items: center;
  padding: 14px 16px;
}

.quote-rank {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 8px;
  background: #edf5f1;
  color: #426158;
  font-weight: 900;
}

.quote-card.is-best .quote-rank {
  background: var(--accent);
  color: #fff;
}

.quote-main {
  min-width: 0;
}

.quote-title-line {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
}

.quote-title-line h3 {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: min(420px, 100%);
}

.quote-subline {
  margin-top: 5px;
  color: #40554d;
  font-size: 13px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.quote-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 10px;
}

.quote-tags span {
  max-width: 260px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  border-radius: 999px;
  padding: 4px 9px;
  background: #f2f6f4;
  color: #61736d;
  font-size: 12px;
}

.quote-price-block {
  justify-self: end;
  text-align: right;
}

.quote-price-block span {
  display: block;
  color: var(--muted);
  font-size: 12px;
}

.quote-price-block strong {
  display: block;
  margin-top: 3px;
  color: var(--accent);
  font-size: 28px;
  line-height: 1;
}

.delta-badge {
  display: inline-flex;
  align-items: center;
  height: 22px;
  border-radius: 999px;
  padding: 0 9px;
  background: #f5f8f6;
  color: #60736c;
  font-size: 12px;
  font-weight: 800;
}

.table-details {
  margin-top: 12px;
}

.table-details summary {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  border: 1px solid #cbd9d2;
  border-radius: 8px;
  padding: 0 12px;
  background: #fff;
  color: #244037;
  font-size: 13px;
  font-weight: 800;
  cursor: pointer;
}

.table-details[open] summary {
  margin-bottom: 10px;
}

@media (max-width: 760px) {
  .quote-card.quote-row {
    grid-template-columns: 34px minmax(0, 1fr);
  }

  .quote-price-block {
    grid-column: 1 / -1;
    justify-self: stretch;
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    padding-top: 10px;
    border-top: 1px solid var(--line);
    text-align: left;
  }

  .quote-tags span {
    max-width: 100%;
  }
}

/* Stack query above results for wider quote reading */
.tool-grid {
  grid-template-columns: 1fr;
}

.query-panel {
  position: static;
  padding: 18px 20px;
}

.query-panel .panel-heading {
  margin-bottom: 14px;
}

.query-panel .field {
  margin-bottom: 0;
}

.query-panel .side-note {
  margin-top: 0;
  min-height: 42px;
}

.query-panel {
  display: grid;
  grid-template-columns: 230px minmax(160px, 1fr) minmax(140px, 0.6fr) minmax(180px, 0.8fr) 132px 110px;
  gap: 12px;
  align-items: end;
}

.query-panel .panel-heading {
  grid-column: 1 / -1;
}

.query-panel .side-note {
  grid-column: 1 / -1;
}

.results-panel {
  min-height: 520px;
}

.quote-card.quote-row {
  grid-template-columns: 42px minmax(0, 1fr) 150px;
}

.quote-title-line h3 {
  max-width: min(620px, 100%);
}

.quote-tags span {
  max-width: 340px;
}

@media (max-width: 1180px) {
  .query-panel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .query-panel .primary-action,
  .query-panel .ghost-action {
    width: 100%;
  }
}

@media (max-width: 760px) {
  .query-panel {
    grid-template-columns: 1fr;
  }
}

/* Query option toggle */
.check-field {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 42px;
  margin: 0;
  border: 1px solid #cfdcd5;
  border-radius: 8px;
  padding: 0 12px;
  background: #fbfdfc;
  color: #46554f;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}

.check-field input {
  width: 16px;
  height: 16px;
  accent-color: var(--accent);
}

.query-panel {
  grid-template-columns: 220px minmax(160px, 1fr) minmax(120px, 0.5fr) minmax(170px, 0.8fr) 150px 132px 110px;
}

@media (max-width: 1180px) {
  .query-panel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .check-field {
    width: 100%;
  }
}

@media (max-width: 760px) {
  .query-panel {
    grid-template-columns: 1fr;
  }
}

/* Rich filters and library controls */
.field select {
  width: 100%;
  height: 42px;
  border: 1px solid #cfdcd5;
  border-radius: 8px;
  padding: 0 12px;
  background: #fbfdfc;
  color: var(--ink);
  outline: none;
}

.field select:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(22, 122, 82, 0.14);
}

.query-panel {
  grid-template-columns: repeat(5, minmax(150px, 1fr));
}

.query-panel .primary-action,
.query-panel .ghost-action,
.query-panel .check-field {
  align-self: end;
}

.quote-group-heading {
  margin: 8px 0 2px;
  padding: 8px 10px;
  border-left: 4px solid var(--accent);
  background: #f5faf7;
  color: #244037;
  font-size: 13px;
  font-weight: 900;
}

.file-import-action {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 40px;
  margin: 0;
  cursor: pointer;
}

.file-import-action input {
  position: absolute;
  inset: 0;
  opacity: 0;
  pointer-events: none;
}

.upload-options .ghost-action,
.upload-options .file-import-action {
  width: 100%;
  margin-top: 8px;
}

@media (max-width: 1180px) {
  .query-panel {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 760px) {
  .query-panel {
    grid-template-columns: 1fr;
  }
}

.file-import-action input {
  cursor: pointer;
}
.file-import-action input {
  pointer-events: auto;
}

.transit-chip {
  background: #eef7ff !important;
  color: #28628a !important;
}

.tb-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 3.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 1rem;
  background-color: #5b5bd6;
  color: white;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

.tb-logo-area {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  font-size: 1.125rem;
  font-weight: 700;
}

.tb-logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  padding: 0.25rem;
  border-radius: 0.25rem;
  background-color: rgba(255, 255, 255, 0.2);
}

.tb-nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-shrink: 0;
}

.tb-nav-link {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.875rem;
  text-decoration: none;
}

.tb-nav-link:hover {
  color: #fff;
}

.site-footer {
  margin-top: auto;
  padding: 1.5rem 0;
  border-top: 1px solid #e2e8f0;
  background: #f8fafc;
  color: #9ca3af;
  text-align: center;
  font-size: 0.75rem;
}

.site-footer a {
  color: inherit;
  text-decoration: none;
}

.site-footer a:hover {
  color: #5b5bd6;
}

@media (min-width: 768px) {
  .tb-header {
    padding: 0 2.5rem;
  }
}

@media (max-width: 720px) {
  .tb-logo-area span {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .tb-nav-desktop {
    gap: 0.9rem;
  }
}

@media (max-width: 560px) {
  .tb-nav-desktop {
    display: none;
  }
}