:root {
  color-scheme: light;
  --bg: #f4f7f6;
  --panel: #ffffff;
  --text: #14201d;
  --muted: #66736f;
  --line: #d9e2df;
  --accent: #0f766e;
  --accent-soft: #dff5f1;
  --warn: #9a5b12;
  --shadow: 0 14px 40px rgba(20, 32, 29, 0.08);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Microsoft YaHei", sans-serif;
}

.app-shell {
  width: min(100%, 760px);
  min-height: 100vh;
  margin: 0 auto;
  padding: 18px 14px 28px;
}

.topbar {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 2px 18px;
}

.eyebrow {
  margin: 0 0 5px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0;
}

h1 {
  margin: 0;
  font-size: 28px;
  line-height: 1.15;
}

.status-pill {
  flex: 0 0 auto;
  max-width: 45%;
  padding: 7px 10px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  font-size: 12px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

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

.upload-panel {
  padding: 12px;
}

.upload-box {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 2px 12px;
  align-items: center;
  min-height: 78px;
  padding: 14px;
  border: 1px dashed #9fb3ae;
  border-radius: 8px;
  background: #fbfdfc;
}

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

.upload-icon {
  grid-row: span 2;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 26px;
  font-weight: 500;
}

.upload-title {
  font-size: 16px;
  font-weight: 800;
}

.upload-subtitle {
  color: var(--muted);
  font-size: 12px;
}

.summary-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 10px;
}

.summary-grid div {
  min-width: 0;
  padding: 10px;
  border-radius: 8px;
  background: #f5faf8;
}

.summary-grid span {
  display: block;
  font-size: 20px;
  font-weight: 800;
}

.summary-grid small {
  color: var(--muted);
  font-size: 12px;
}

.search-panel {
  position: sticky;
  top: 0;
  z-index: 5;
  margin-top: 12px;
  padding: 12px;
}

.search-wrap {
  display: grid;
  grid-template-columns: 28px 1fr;
  align-items: center;
  min-height: 46px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #f9fbfa;
}

.search-wrap span {
  color: var(--muted);
  font-size: 20px;
}

.search-wrap input {
  width: 100%;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
  font-size: 16px;
}

.filter-row {
  display: flex;
  gap: 8px;
  margin-top: 10px;
  overflow-x: auto;
  padding-bottom: 2px;
}

.filter-chip {
  flex: 0 0 auto;
  min-height: 34px;
  padding: 0 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: #fff;
  color: var(--text);
  font-size: 13px;
}

.filter-chip.active {
  border-color: var(--accent);
  background: var(--accent);
  color: #fff;
}

.filter-chip:disabled {
  color: #98a5a1;
  background: #f2f5f4;
}

.results {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.result-card {
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.main-row,
.sub-row {
  min-width: 0;
}

.sub-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}

.sub-row {
  padding: 10px;
  border-radius: 8px;
  background: #f7faf9;
}

.sub-row .card-head {
  display: block;
  margin-bottom: 6px;
}

.sub-row .addr {
  font-size: 17px;
  line-height: 1.1;
}

.sub-row .device {
  display: none;
}

.sub-row .func {
  min-height: 38px;
  font-size: 13px;
  line-height: 1.35;
  word-break: break-word;
}

.sub-row .meta {
  gap: 4px;
  margin-top: 8px;
}

.sub-row .meta span {
  padding: 3px 5px;
  font-size: 11px;
}

.sub-row .meta span:nth-child(n + 3) {
  display: none;
}

.expand-button {
  width: 100%;
  min-height: 38px;
  margin-top: 10px;
  border: 1px solid var(--accent);
  border-radius: 8px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 14px;
  font-weight: 800;
}

.card-head {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 8px;
}

.addr {
  color: var(--accent);
  font-size: 22px;
  font-weight: 900;
  line-height: 1;
}

.sheet-tag {
  flex: 0 0 auto;
  align-self: flex-start;
  padding: 4px 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.device {
  margin: 0 0 4px;
  font-size: 17px;
  font-weight: 800;
}

.func {
  margin: 0;
  color: var(--text);
  font-size: 15px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 9px;
}

.meta span {
  padding: 5px 8px;
  border-radius: 6px;
  background: #f3f6f5;
  color: var(--muted);
  font-size: 12px;
}

.empty-state,
.error-state {
  padding: 26px 18px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
  text-align: center;
}

.empty-state strong,
.error-state strong {
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
}

.empty-state p,
.error-state p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.55;
}

.error-state strong {
  color: var(--warn);
}

@media (min-width: 640px) {
  .app-shell {
    padding-top: 28px;
  }

  h1 {
    font-size: 34px;
  }
}