* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: #f7f7f4;
  color: #222;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a {
  color: #1f4e79;
}

.pa-tool {
  min-height: 100vh;
}

.pa-header,
.pa-main,
.pa-footer {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}

.pa-header {
  padding: 28px 0 18px;
  border-bottom: 1px solid #deded8;
}

.pa-kicker {
  margin: 0 0 6px;
  color: #666;
  font-size: 0.86rem;
  letter-spacing: 0.04em;
}

.pa-title {
  margin: 0;
  font-size: clamp(1.8rem, 4vw, 3rem);
  line-height: 1.15;
  font-weight: 760;
}

.pa-lead {
  max-width: 760px;
  margin: 12px 0 0;
  color: #444;
  font-size: 1rem;
}

.pa-main {
  padding: 22px 0 40px;
}

.pa-ad {
  margin: 0 0 22px;
  padding: 14px;
  border: 1px dashed #cfcfc8;
  background: #fff;
  color: #777;
  text-align: center;
  font-size: 0.9rem;
}

.pa-section {
  margin: 22px 0;
  padding: 18px;
  background: #fff;
  border: 1px solid #deded8;
  border-radius: 12px;
}

.pa-section-title {
  margin: 0 0 12px;
  font-size: 1.15rem;
}

.pa-search-row,
.pa-filter-row,
.pa-export-row,
.pa-palette-row,
.pa-preview-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

.pa-input,
.pa-select {
  min-height: 42px;
  border: 1px solid #cfcfc8;
  border-radius: 8px;
  background: #fff;
  color: #222;
  padding: 8px 10px;
  font: inherit;
}

.pa-search-row .pa-input {
  flex: 1 1 320px;
}

.pa-button {
  min-height: 42px;
  border: 1px solid #bbb;
  border-radius: 8px;
  background: #f4f4f0;
  color: #222;
  padding: 8px 12px;
  font: inherit;
  cursor: pointer;
}

.pa-button-primary {
  border-color: #222;
  background: #222;
  color: #fff;
}

.pa-button-soft {
  background: #fff;
}

.pa-results-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: baseline;
  margin-bottom: 14px;
}

.pa-results-count {
  color: #666;
  font-size: 0.92rem;
}

.pa-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 14px;
}

.pa-card {
  border: 1px solid #deded8;
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
}

.pa-pattern-preview {
  min-height: 132px;
  display: grid;
  place-items: center;
  background: #f3f1ea;
  border-bottom: 1px solid #deded8;
}

.pa-pattern-sample {
  width: 132px;
  height: 88px;
  border: 1px solid rgba(0,0,0,.12);
  background:
    radial-gradient(circle at 20px 44px, transparent 28px, #1f4e79 29px, #1f4e79 31px, transparent 32px),
    radial-gradient(circle at 64px 44px, transparent 28px, #1f4e79 29px, #1f4e79 31px, transparent 32px),
    radial-gradient(circle at 108px 44px, transparent 28px, #1f4e79 29px, #1f4e79 31px, transparent 32px),
    #fff;
  background-size: 44px 44px;
}

.pa-pattern-sample.alt {
  background:
    linear-gradient(45deg, #8b5e34 25%, transparent 25%),
    linear-gradient(-45deg, #8b5e34 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, #8b5e34 75%),
    linear-gradient(-45deg, transparent 75%, #8b5e34 75%),
    #f5efe3;
  background-size: 36px 36px;
  background-position: 0 0, 0 18px, 18px -18px, -18px 0;
}

.pa-pattern-sample.knot {
  background:
    repeating-linear-gradient(45deg, #5b4636 0 4px, transparent 4px 18px),
    repeating-linear-gradient(-45deg, #5b4636 0 4px, transparent 4px 18px),
    #faf7ef;
}

.pa-card-body {
  padding: 14px;
}

.pa-card-title {
  margin: 0 0 4px;
  font-size: 1rem;
}

.pa-card-meta,
.pa-card-note {
  margin: 0 0 8px;
  color: #666;
  font-size: 0.9rem;
}

.pa-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 10px 0;
}

.pa-tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border: 1px solid #d7d7d1;
  border-radius: 999px;
  padding: 2px 8px;
  color: #555;
  font-size: 0.78rem;
  background: #fafaf7;
}

.pa-card-actions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pa-detail-grid {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(320px, 1.1fr);
  gap: 18px;
  align-items: start;
}

.pa-large-preview {
  min-height: 280px;
  display: grid;
  place-items: center;
  border: 1px solid #deded8;
  border-radius: 12px;
  background: #f3f1ea;
}

.pa-large-preview .pa-pattern-sample {
  width: min(320px, 80%);
  height: 200px;
}

.pa-detail-title {
  margin: 0 0 8px;
  font-size: clamp(1.4rem, 3vw, 2.1rem);
}

.pa-info-list {
  display: grid;
  gap: 8px;
  margin: 16px 0;
}

.pa-info-item {
  padding-bottom: 8px;
  border-bottom: 1px solid #ededeb;
}

.pa-info-label {
  display: block;
  color: #777;
  font-size: 0.82rem;
}

.pa-editor-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
}

.pa-color-row {
  display: grid;
  grid-template-columns: 120px 56px 1fr;
  gap: 8px;
  align-items: center;
  margin-bottom: 10px;
}

.pa-color-row input[type="color"] {
  width: 56px;
  height: 42px;
  border: 1px solid #cfcfc8;
  border-radius: 8px;
  background: #fff;
}

.pa-use-preview {
  min-height: 220px;
  border: 1px solid #deded8;
  border-radius: 12px;
  background: #fff;
  padding: 14px;
}

.pa-use-preview-box {
  height: 160px;
  border: 1px solid #d4d4ce;
  border-radius: 10px;
  background:
    radial-gradient(circle at 20px 44px, transparent 28px, #1f4e79 29px, #1f4e79 31px, transparent 32px),
    radial-gradient(circle at 64px 44px, transparent 28px, #1f4e79 29px, #1f4e79 31px, transparent 32px),
    #fbfbf8;
  background-size: 44px 44px;
}

.pa-notice {
  margin: 14px 0;
  padding: 12px;
  border-left: 4px solid #8b6f37;
  background: #fff8e6;
  color: #4c3c1e;
}

.pa-footer {
  padding: 22px 0 36px;
  border-top: 1px solid #deded8;
  color: #666;
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  .pa-header,
  .pa-main,
  .pa-footer {
    width: min(100% - 24px, 1120px);
  }

  .pa-detail-grid,
  .pa-editor-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 480px) {
  .pa-header {
    padding-top: 20px;
  }

  .pa-section {
    padding: 14px;
  }

  .pa-filter-row > *,
  .pa-export-row > *,
  .pa-preview-tabs > *,
  .pa-card-actions > *,
  .pa-search-row > * {
    width: 100%;
  }

  .pa-color-row {
    grid-template-columns: 1fr;
  }

  .pa-button,
  .pa-input,
  .pa-select {
    width: 100%;
  }
}