/* 이미지 색상 추출 전용 스타일 */

nav { max-width: 800px; }
main { max-width: 800px; }

/* 드롭존 */
.dropzone {
  display: block;
  cursor: pointer;
  margin-bottom: 1rem;
  padding: 2.2rem 1rem;
  background: var(--surface);
  border: 2px dashed var(--border);
  border-radius: 14px;
  text-align: center;
  transition: all 0.15s;
}
.dropzone:hover,
.dropzone:focus,
.dropzone.drag-over {
  border-color: var(--primary);
  background: rgba(102, 126, 234, 0.04);
  outline: none;
}

.dropzone-content svg {
  color: var(--text-sub);
  margin-bottom: 0.85rem;
}

.dropzone-content p {
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
  color: var(--text);
}
.dropzone-content .hint {
  font-size: 0.78rem;
  color: var(--text-sub);
  margin-bottom: 0;
}

.canvas-section {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}
.canvas-section[hidden] { display: none; }

.mode-tabs {
  display: flex;
  gap: 0.4rem;
}
.mode-tab {
  padding: 0.45rem 1rem;
  font-size: 0.85rem;
  font-weight: 500;
  background: var(--surface);
  color: var(--text-sub);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.15s;
}
.mode-tab:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.mode-tab.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.palette-options {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.55rem 0.85rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.palette-options[hidden] { display: none; }

.opt-label {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-sub);
  margin-right: 0.4rem;
}

.count-chip {
  padding: 0.3rem 0.75rem;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.85rem;
  font-weight: 600;
  background: var(--bg);
  color: var(--text);
  border: 1px solid var(--border);
  border-radius: 7px;
  cursor: pointer;
  transition: all 0.15s;
  min-width: 36px;
}
.count-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.count-chip.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

/* 캔버스 */
.canvas-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.65rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

#canvas {
  max-width: 100%;
  max-height: 480px;
  height: auto;
  display: block;
  margin: 0 auto;
  border-radius: 8px;
}

#canvas.mode-picker {
  cursor: crosshair;
}

#canvas.mode-palette {
  cursor: default;
}

/* 픽커 결과 */
.picker-result {
  display: grid;
  grid-template-columns: 100px 1fr;
  gap: 0.85rem;
  padding: 0.95rem;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
}
.picker-result[hidden] { display: none; }

.picker-swatch {
  width: 100px;
  height: 100px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background-image:
    linear-gradient(45deg, var(--border) 25%, transparent 25%),
    linear-gradient(-45deg, var(--border) 25%, transparent 25%),
    linear-gradient(45deg, transparent 75%, var(--border) 75%),
    linear-gradient(-45deg, transparent 75%, var(--border) 75%);
  background-size: 16px 16px;
  background-position: 0 0, 0 8px, 8px -8px, -8px 0;
}

.picker-info {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  min-width: 0;
}

.info-row {
  display: grid;
  grid-template-columns: 50px 1fr auto;
  gap: 0.55rem;
  align-items: center;
  padding: 0.4rem 0.65rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 7px;
}

.info-key {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--text-sub);
}

.info-val {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  word-break: break-all;
  min-width: 0;
}

.info-copy {
  padding: 0.25rem 0.55rem;
  font-size: 0.72rem;
  background: var(--surface);
  color: var(--text-sub);
  border: 1px solid var(--border);
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s;
}
.info-copy:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* 팔레트 결과 */
.palette-result {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
}
.palette-result[hidden] { display: none; }

.palette-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 0.95rem;
  background: var(--bg);
  border-bottom: 1px solid var(--border);
}

.palette-title {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-sub);
}

.btn-export {
  padding: 0.3rem 0.75rem;
  font-size: 0.78rem;
  background: var(--surface);
  color: var(--text-sub);
  border: 1px solid var(--border);
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.15s;
}
.btn-export:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.palette-list {
  list-style: none;
  margin: 0;
  padding: 0.65rem;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.5rem;
}

.palette-item {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 0.55rem;
  align-items: center;
  padding: 0.5rem 0.6rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
}

.palette-swatch {
  width: 48px;
  height: 48px;
  border-radius: 6px;
  border: 1px solid var(--border);
}

.palette-info {
  min-width: 0;
}

.palette-hex {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text);
}

.palette-rgb {
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.72rem;
  color: var(--text-sub);
  margin-top: 0.1rem;
}

.palette-copy {
  padding: 0.25rem 0.55rem;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  font-size: 0.7rem;
  font-weight: 600;
  background: var(--surface);
  color: var(--text-sub);
  border: 1px solid var(--border);
  border-radius: 5px;
  cursor: pointer;
  transition: all 0.15s;
}
.palette-copy:hover {
  border-color: var(--primary);
  color: var(--primary);
}

@media (max-width: 600px) {
  .palette-list { grid-template-columns: 1fr; }
  #canvas { max-height: 360px; }
}

@media (max-width: 480px) {
  .picker-result {
    grid-template-columns: 1fr;
    text-align: center;
  }
  .picker-swatch { margin: 0 auto; }
  .info-row { grid-template-columns: 40px 1fr auto; }
}