:root {
  color-scheme: light;
  --ink: #111827;
  --muted: #697386;
  --line: #ded8ce;
  --paper: #f7f4ef;
  --panel: #fffdfa;
  --blue: #2b6cb0;
  --green: #2f855a;
  --red: #d95d39;
  --yellow: #f2b84b;
  --shadow: 0 16px 40px rgba(17, 24, 39, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
}

button,
input,
textarea,
select {
  font: inherit;
}

button {
  cursor: pointer;
}

svg {
  width: 20px;
  height: 20px;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: 0 0 auto;
}

.app-header {
  position: sticky;
  top: 0;
  z-index: 5;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 22px;
  border-bottom: 1px solid rgba(17, 24, 39, 0.08);
  background: rgba(247, 244, 239, 0.92);
  backdrop-filter: blur(18px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 172px;
}

.brand img {
  width: 42px;
  height: 42px;
  border-radius: 8px;
}

.brand strong {
  display: block;
  font-size: 18px;
}

.brand span,
.eyebrow,
small,
.location-card small {
  color: var(--muted);
  font-size: 12px;
}

.tabs,
.hero-actions,
.form-actions,
.quick-row,
.tag-row,
.container-strip {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

.tab,
.primary,
.secondary,
.icon-button,
.chip,
.quick {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 40px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--ink);
  padding: 0 14px;
}

.tab {
  min-width: 74px;
}

.tab.active,
.chip.active,
.primary {
  border-color: var(--ink);
  background: var(--ink);
  color: #fffdfa;
}

.secondary {
  background: transparent;
}

.icon-button {
  width: 42px;
  padding: 0;
}

main {
  width: min(1180px, calc(100% - 28px));
  margin: 0 auto;
  padding: 22px 0 40px;
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.82fr);
  gap: 24px;
  align-items: stretch;
  margin-bottom: 22px;
}

.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  min-height: 360px;
  padding: clamp(24px, 5vw, 56px);
  border-radius: 8px;
  background: var(--ink);
  color: #fffdfa;
}

.hero-copy .eyebrow {
  color: #d7e8ff;
}

.hero-copy h1 {
  max-width: 680px;
  margin: 0 0 16px;
  font-size: clamp(40px, 6vw, 72px);
  line-height: 1;
}

.hero-copy p {
  max-width: 640px;
  color: rgba(255, 253, 250, 0.76);
  line-height: 1.8;
}

.hero-visual {
  min-height: 360px;
  overflow: hidden;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--panel);
}

.hero-visual img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.workspace {
  margin-top: 22px;
}

.two-column {
  display: grid;
  grid-template-columns: 0.86fr 1.14fr;
  gap: 18px;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  box-shadow: var(--shadow);
  padding: 18px;
}

.panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 16px;
}

.panel-heading h2,
.panel-heading p,
.item-card h3,
.result-card h3 {
  margin: 0;
}

.count {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border-radius: 999px;
  padding: 0 10px;
  background: #eef2f7;
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
}

.location-list,
.item-grid,
.search-results,
.policy-list {
  display: grid;
  gap: 12px;
}

.location-card {
  display: grid;
  grid-template-columns: 72px 1fr auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  min-height: 86px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 8px;
  text-align: left;
}

.location-card.selected {
  border-color: var(--blue);
  box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.12);
}

.location-card img,
.item-card img,
.result-card img,
.container-detail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 6px;
  background: #eee;
}

.location-card img {
  height: 68px;
}

.location-card span {
  display: grid;
  gap: 4px;
}

.location-card em {
  font-style: normal;
  color: var(--blue);
  font-weight: 700;
}

.container-detail {
  display: grid;
  grid-template-columns: 172px 1fr;
  gap: 16px;
  align-items: center;
  margin: 14px 0;
  padding: 12px;
  border-radius: 8px;
  background: #f5f7fa;
}

.container-detail img {
  height: 120px;
}

.container-detail h3 {
  margin: 4px 0 8px;
  font-size: 26px;
}

.item-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.item-card,
.result-card {
  display: grid;
  grid-template-columns: 118px 1fr;
  gap: 12px;
  min-height: 154px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.item-card p,
.result-card p,
.capacity-card p,
.ai-empty p {
  color: var(--muted);
  line-height: 1.65;
}

.item-title {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 8px;
}

.item-title span,
.tag-row span {
  border-radius: 999px;
  background: #eef2f7;
  color: #42526b;
  padding: 5px 8px;
  font-size: 12px;
  white-space: nowrap;
}

.drop-zone {
  display: grid;
  place-items: center;
  min-height: 240px;
  border: 1.5px dashed #9aa6b2;
  border-radius: 8px;
  background: #fbfaf7;
  text-align: center;
  padding: 24px;
}

.drop-zone svg {
  width: 48px;
  height: 48px;
  margin-bottom: 12px;
  color: var(--blue);
}

.drop-zone input {
  position: absolute;
  inline-size: 1px;
  block-size: 1px;
  opacity: 0;
}

.drop-zone.disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.form-grid,
.ai-form {
  display: grid;
  gap: 12px;
  margin-top: 14px;
}

label {
  display: grid;
  gap: 6px;
  color: #344054;
  font-size: 13px;
  font-weight: 700;
}

input,
textarea,
select {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  color: var(--ink);
  padding: 12px;
}

textarea {
  min-height: 86px;
  resize: vertical;
}

.preview-area figure {
  margin: 16px 0 0;
}

.preview-area img {
  width: 100%;
  max-height: 340px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
}

.preview-area figcaption {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

.ai-empty {
  display: grid;
  place-items: center;
  min-height: 320px;
  text-align: center;
  padding: 24px;
  border-radius: 8px;
  background: #f5f7fa;
}

.ai-empty svg {
  width: 44px;
  height: 44px;
  color: var(--red);
}

.search-workspace {
  display: grid;
}

.chat-box {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 10px;
}

.quick-row {
  margin: 12px 0 18px;
}

.quick {
  min-height: 34px;
  font-size: 13px;
}

.result-card {
  grid-template-columns: 150px 1fr;
}

.result-card img {
  min-height: 142px;
}

.meter {
  height: 16px;
  overflow: hidden;
  border-radius: 999px;
  background: #e7ebf0;
}

.meter div {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--green), var(--yellow), var(--red));
}

.capacity-numbers {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 18px 0;
}

.capacity-numbers strong {
  font-size: 38px;
}

.policy-list {
  padding: 0;
  list-style: none;
}

.policy-list li {
  display: grid;
  gap: 4px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
}

.policy-list span {
  color: var(--muted);
}

.empty {
  margin: 0;
  color: var(--muted);
}

.offline {
  position: fixed;
  right: 16px;
  bottom: 16px;
  max-width: 320px;
  border-radius: 8px;
  background: var(--ink);
  color: #fffdfa;
  padding: 12px 14px;
  box-shadow: var(--shadow);
}

@media (max-width: 860px) {
  .app-header {
    align-items: stretch;
    flex-direction: column;
  }

  .tabs {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }

  .tab {
    min-width: 0;
    padding: 0 8px;
  }

  .hero,
  .two-column,
  .item-grid {
    grid-template-columns: 1fr;
  }

  .hero-copy,
  .hero-visual {
    min-height: 300px;
  }

  .container-detail,
  .item-card,
  .result-card,
  .chat-box {
    grid-template-columns: 1fr;
  }

  .container-detail img,
  .item-card img,
  .result-card img {
    height: 190px;
  }
}

@media (max-width: 520px) {
  main {
    width: min(100% - 20px, 1180px);
    padding-top: 14px;
  }

  .app-header {
    padding: 12px;
  }

  .tab span {
    display: none;
  }

  .hero-copy {
    padding: 24px;
  }

  .hero-copy h1 {
    font-size: 38px;
  }

  .panel {
    padding: 14px;
  }

  .location-card {
    grid-template-columns: 58px 1fr auto;
  }

  .location-card img {
    height: 58px;
  }
}