* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Pretendard", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;
  background: #f4f5f7;
  color: #222;
}


.container {
  max-width: 960px;
  margin: 0 auto;
  padding: 40px 20px 80px;
}


header {
  text-align: center;
  margin-bottom: 32px;
}

header h1 {
  font-size: 28px;
  margin: 0 0 8px;
}

.subtitle {
  color: #666;
  margin: 0;
}

/* 광고 영역 */
.ad-slot {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 90px;
  margin-bottom: 24px;
  border: 1px dashed #c7cad2;
  border-radius: 8px;
  background: #fafafc;
}

.ad-slot-bottom {
  margin-top: 32px;
  margin-bottom: 0;
}

.ad-label {
  font-size: 12px;
  letter-spacing: 0.05em;
  color: #aaa;
}

/* 업로드 영역 */
.upload-area {
  border: 2px dashed #b5b9c2;
  border-radius: 12px;
  padding: 60px 20px;
  text-align: center;
  cursor: pointer;
  background: #fff;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.15s ease;
}

.upload-area:hover {
  border-color: #6c7cff;
  background: #f8f9ff;
}

.upload-area.dragover {
  border-color: #6c7cff;
  background: #eef0ff;
  transform: scale(1.01);
}

.upload-area p {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 500;
}

.upload-hint {
  color: #999;
  font-size: 13px;
}

.workspace {
  margin-top: 32px;
  animation: fadeIn 0.3s ease;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

.step-title {
  text-align: center;
  font-size: 15px;
  color: #444;
  margin: 0 0 16px;
}

/* 비율 선택 칩 */
.ratio-options {
  display: flex;
  justify-content: center;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

.ratio-btn {
  border: 1.5px solid #d5d8e0;
  background: #fff;
  color: #555;
  border-radius: 8px;
  padding: 8px 16px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
}

.ratio-btn:hover {
  border-color: #6c7cff;
  color: #6c7cff;
}

.ratio-btn.active {
  background: #6c7cff;
  border-color: #6c7cff;
  color: #fff;
}

/* 자르기 영역 */
.crop-stage-wrap {
  display: flex;
  justify-content: center;
  background: repeating-conic-gradient(#eee 0% 25%, #fff 0% 50%) 50% / 16px 16px;
  border-radius: 12px;
  padding: 12px;
}

.crop-stage {
  position: relative;
  display: inline-block;
  max-width: 100%;
  touch-action: none;
  line-height: 0;
}

.crop-box,
.crop-handle {
  touch-action: none;
}

.crop-stage img {
  display: block;
  max-width: 100%;
  max-height: 480px;
  height: auto;
  user-select: none;
  -webkit-user-drag: none;
}

.crop-box {
  position: absolute;
  border: 2px solid #6c7cff;
  background: rgba(108, 124, 255, 0.15);
  cursor: move;
  box-sizing: border-box;
}

.crop-handle {
  position: absolute;
  width: 18px;
  height: 18px;
  background: #6c7cff;
  border: 2px solid #fff;
  border-radius: 50%;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.3);
}

.crop-handle[data-handle="nw"] { top: -10px; left: -10px; cursor: nwse-resize; }
.crop-handle[data-handle="ne"] { top: -10px; right: -10px; cursor: nesw-resize; }
.crop-handle[data-handle="se"] { bottom: -10px; right: -10px; cursor: nwse-resize; }
.crop-handle[data-handle="sw"] { bottom: -10px; left: -10px; cursor: nesw-resize; }

.crop-info {
  text-align: center;
  font-size: 13px;
  color: #888;
  margin: 12px 0 0;
  font-variant-numeric: tabular-nums;
}

/* 미리보기 */
.preview-box {
  background: #fff;
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  margin-bottom: 24px;
}

.preview-box img {
  max-width: 100%;
  max-height: 360px;
  height: auto;
  border-radius: 6px;
  background: repeating-conic-gradient(#eee 0% 25%, #fff 0% 50%) 50% / 16px 16px;
}

.grid-info {
  margin: 10px 0 0;
  font-size: 13px;
  color: #888;
  font-variant-numeric: tabular-nums;
}

/* 조절 컨트롤 */
.controls {
  background: #fff;
  border-radius: 12px;
  padding: 20px 24px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
  overflow-x: auto;
}

.control-row {
  margin-bottom: 16px;
}

.control-row[hidden] {
  display: none;
}

.size-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.size-row label {
  font-size: 14px;
  color: #444;
  white-space: nowrap;
}

.size-row input[type="number"] {
  width: 90px;
  padding: 8px 10px;
  border: 1.5px solid #d5d8e0;
  border-radius: 8px;
  font-size: 14px;
}

.lock-row {
  margin-bottom: 4px;
}

.lock-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: #444;
  cursor: pointer;
}

.lock-label input[type="checkbox"] {
  accent-color: #6c7cff;
  width: 16px;
  height: 16px;
}

.button-row {
  display: flex;
  justify-content: center;
  gap: 12px;
  margin-top: 20px;
  flex-wrap: wrap;
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 12px 20px;
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  white-space: nowrap;
  transition: transform 0.1s ease, opacity 0.2s ease;
}

.btn:active {
  transform: scale(0.97);
}

.btn-primary {
  background: #6c7cff;
  color: #fff;
}

.btn-primary:hover {
  opacity: 0.9;
}

.btn-secondary {
  background: #eceef2;
  color: #444;
}

.btn-secondary:hover {
  background: #dee1e8;
}