:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1c1f26;
  --muted: #6b7280;
  --border: #e2e5ea;
  --accent: #2f6fed;
  --accent-hover: #2559c4;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14161a;
    --card: #1d2026;
    --text: #eef0f3;
    --muted: #9aa1ac;
    --border: #2b2f37;
    --accent: #5b8dfb;
    --accent-hover: #7ea3fc;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 24px;
  border-bottom: 1px solid var(--border);
  background: var(--card);
}

.topbar h1 { font-size: 21px; margin: 0; }

input, select, button {
  font-family: inherit;
  font-size: 15px;
}

.panel input,
.panel select {
  padding: 11px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
}

.panel button {
  padding: 11px 14px;
  border: none;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  cursor: pointer;
  font-weight: 600;
}

.panel button:hover {
  background: var(--accent-hover);
}

.layout {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 28px;
  padding: 28px;
  max-width: 1600px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .layout { grid-template-columns: 1fr; }
}

.panel, .results {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.04);
}

.panel h2, .results h2 { margin-top: 0; margin-bottom: 12px; font-size: 18px; }

.dropzone {
  border: 2px dashed var(--border);
  border-radius: 10px;
  padding: 24px;
  text-align: center;
  cursor: pointer;
  color: var(--muted);
  font-size: 14px;
  margin-bottom: 14px;
}

.dropzone.dragover { border-color: var(--accent); color: var(--accent); }
.dropzone img { max-width: 100%; max-height: 280px; border-radius: 6px; }

#searchImageBtn { width: 100%; margin-top: 14px; margin-bottom: 10px; }
#searchImageBtn:disabled { background: var(--border); color: var(--muted); cursor: not-allowed; }

#clearImage { width: 100%; margin-bottom: 20px; background: var(--border); color: var(--text); }
#clearImage:hover { background: var(--muted); color: white; }

.panel label { display: block; margin: 14px 0 7px; font-size: 14px; color: var(--muted); }
.panel select, .panel input[type="text"] { width: 100%; }
.tag-list {
  max-height: 190px;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  margin-top: 6px;
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.tag-item {
  display: flex !important;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  margin: 0 !important;
  color: var(--text);
  cursor: pointer;
}

.tag-item input { margin: 0; }

#reloadBtn { width: 100%; margin-top: 18px; background: var(--border); color: var(--text); }
#reloadBtn:hover { background: var(--muted); color: white; }

.status { font-size: 12px; color: var(--muted); min-height: 16px; }

.hint { color: var(--muted); font-size: 13px; margin-top: -4px; }
#searchHint { margin-top: 8px; margin-bottom: 24px; }

#backBtn {
  background: var(--border);
  color: var(--text);
  margin-top: 12px;
}
#backBtn:hover { background: var(--muted); color: white; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 22px;
  margin-top: 20px;
}

.card {
  position: relative;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
  background: var(--bg);
  box-shadow: 0 1px 2px rgba(0,0,0,0.05);
}

.card .sketch-row {
  display: flex;
  gap: 8px;
}

.card .sketch-row img {
  flex: 1 1 0;
  min-width: 0;
  width: 100%;
  height: 240px;
  object-fit: contain;
  background: white;
  border-radius: 8px;
  border: 1px solid var(--border);
}

.card .similarity {
  position: absolute;
  top: 24px;
  left: 24px;
  background: var(--accent);
  color: white;
  font-size: 13px;
  font-weight: 600;
  padding: 3px 9px;
  border-radius: 6px;
}
.card .style-no { font-weight: 700; font-size: 18px; margin-top: 14px; }
.card .buyer { color: var(--muted); font-size: 14px; margin-top: 2px; font-weight: 600; }
.card .desc {
  font-size: 13px;
  color: var(--muted);
  margin-top: 8px;
  line-height: 1.4;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-weight: 600;
}

.detail-construction {
  font-size: 13px;
  color: var(--text);
  margin-top: 8px;
  line-height: 1.4;
}
.detail-construction strong { color: var(--muted); font-weight: 600; }

.smv-table { width: 100%; border-collapse: collapse; margin-top: 12px; font-size: 13px; }
.smv-table th, .smv-table td { border: 1px solid var(--border); padding: 6px 8px; text-align: right; }
.smv-table th:first-child, .smv-table td:first-child { text-align: left; }

.open-file-btn {
  display: block;
  text-align: center;
  margin-top: 12px;
  padding: 8px 12px;
  border-radius: 8px;
  background: var(--accent);
  color: white;
  font-size: 13px;
  font-weight: 600;
  text-decoration: none;
}
.open-file-btn:hover { background: var(--accent-hover); }

.date-slider {
  position: relative;
  height: 56px;
  margin: 6px 0 4px;
}

.date-slider-track {
  position: absolute;
  top: 15px;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--border);
  border-radius: 2px;
}

/* #dateSlider scoping (plus repeating the class) beats the more general
   ".panel input" rule's specificity, which otherwise reinstates a solid
   background/border/padding on these and visually hides one handle under
   the other's now-opaque box. */
#dateSlider input.date-range-input {
  position: absolute;
  top: 7px;
  left: 0;
  width: 100%;
  margin: 0;
  padding: 0;
  border: none;
  border-radius: 0;
  -webkit-appearance: none;
  appearance: none;
  background: transparent;
  pointer-events: none;
}

#dateSlider input.date-range-input::-webkit-slider-runnable-track {
  background: transparent;
  height: 18px;
}
#dateSlider input.date-range-input::-moz-range-track {
  background: transparent;
  height: 18px;
}

#dateSlider input.date-range-input::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--card);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
  cursor: pointer;
  pointer-events: auto;
}
#dateSlider input.date-range-input::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 2px solid var(--card);
  box-shadow: 0 1px 3px rgba(0,0,0,0.3);
  cursor: pointer;
  pointer-events: auto;
}

.date-slider-labels {
  position: absolute;
  top: 32px;
  left: 0;
  right: 0;
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: var(--muted);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  margin-top: 24px;
}

.pagination button {
  background: var(--border);
  color: var(--text);
  padding: 9px 16px;
}
.pagination button:hover:not(:disabled) { background: var(--muted); color: white; }
.pagination button:disabled { opacity: 0.4; cursor: not-allowed; }
.pagination span { color: var(--muted); font-size: 14px; }