:root {
  --bg: #f4efdf;
  --panel: rgba(255, 251, 243, 0.86);
  --ink: #191612;
  --muted: #625a52;
  --line: rgba(25, 22, 18, 0.12);
  --accent-a: #d45d39;
  --accent-b: #127d78;
  --shadow: 0 24px 60px rgba(35, 24, 15, 0.12);
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: "IBM Plex Sans KR", sans-serif;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(212, 93, 57, 0.16), transparent 24%),
    radial-gradient(circle at top right, rgba(18, 125, 120, 0.12), transparent 28%),
    linear-gradient(180deg, #fbf6eb 0%, #efe4cf 100%);
}

.page {
  width: min(1240px, calc(100% - 28px));
  margin: 0 auto;
  padding: 20px 0 28px;
}

.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 28px;
  backdrop-filter: blur(16px);
  box-shadow: var(--shadow);
}

.hero {
  padding: 26px;
  display: grid;
  gap: 14px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 10px;
  font: 700 12px/1 "Space Grotesk", sans-serif;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--accent-b);
}

h1 {
  margin: 0;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2.3rem, 6vw, 4.7rem);
  line-height: 0.92;
  letter-spacing: -0.05em;
}

.hero-text,
.helper,
.section-head p,
.compare-head p,
.tips,
.value-list,
.stat-card small {
  color: var(--muted);
}

.hero-text {
  margin: 14px 0 0;
  max-width: 760px;
  line-height: 1.7;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.upload-btn,
.ghost-btn,
.mode-btn {
  border: 1px solid var(--line);
  min-height: 48px;
  padding: 0 18px;
  border-radius: 16px;
  font: inherit;
  cursor: pointer;
}

.upload-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--accent-a), #c14b28);
  color: #fff;
  border: none;
}

.ghost-btn,
.mode-btn {
  background: rgba(255, 255, 255, 0.64);
}

.ghost-btn.active {
  background: #1f1c17;
  color: #fff;
  border-color: #1f1c17;
  box-shadow: 0 10px 24px rgba(25, 22, 18, 0.18);
}

.helper {
  margin: 0;
  font-size: 14px;
}

.workspace {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 420px);
  gap: 18px;
}

.stage-panel,
.info-panel {
  padding: 20px;
}

.section-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 14px;
}

.section-head.slim {
  margin-bottom: 18px;
}

.section-head h2,
.compare-head h3 {
  margin: 0 0 6px;
  font-size: 20px;
}

.section-head p,
.compare-head p {
  margin: 0;
  line-height: 1.6;
  font-size: 14px;
}

.mode-switch {
  display: inline-flex;
  gap: 8px;
}

.mode-btn.active {
  background: #1f1c17;
  color: #fff;
  border-color: #1f1c17;
}

.canvas-wrap {
  position: relative;
  border-radius: 24px;
  overflow: hidden;
  background:
    linear-gradient(135deg, rgba(25, 22, 18, 0.04), rgba(25, 22, 18, 0.08)),
    repeating-linear-gradient(
      45deg,
      rgba(255, 255, 255, 0.45) 0,
      rgba(255, 255, 255, 0.45) 12px,
      rgba(245, 238, 226, 0.55) 12px,
      rgba(245, 238, 226, 0.55) 24px
    );
  border: 1px solid rgba(25, 22, 18, 0.08);
  min-height: 520px;
}

#image-canvas,
#compare-canvas {
  width: 100%;
  display: block;
}

#image-canvas {
  cursor: crosshair;
}

.canvas-wrap.is-crop-mode #image-canvas {
  cursor: nwse-resize;
}

.mode-indicator {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 5;
  display: grid;
  gap: 2px;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(20, 18, 16, 0.82);
  color: #fff;
  box-shadow: 0 12px 28px rgba(20, 18, 16, 0.22);
  pointer-events: none;
}

.mode-indicator strong {
  font-size: 13px;
  line-height: 1.2;
}

.mode-indicator span {
  font-size: 12px;
  line-height: 1.35;
  color: rgba(255, 255, 255, 0.78);
}

.canvas-wrap.is-crop-mode .mode-indicator {
  background: rgba(212, 93, 57, 0.9);
}

.canvas-wrap.is-crop-mode .mode-indicator span {
  color: rgba(255, 255, 255, 0.9);
}

.overlay-strip {
  position: absolute;
  left: 0;
  top: 0;
  cursor: grab;
  z-index: 2;
}

.overlay-strip:active {
  cursor: grabbing;
}

#overlay-canvas {
  width: 100%;
  display: block;
}

.crop-selection {
  position: absolute;
  left: 0;
  top: 0;
  border: 2px dashed rgba(255, 255, 255, 0.96);
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.9);
  background: rgba(255, 255, 255, 0.08);
  pointer-events: none;
  z-index: 4;
}

.cursor-indicator {
  position: absolute;
  left: 0;
  top: 0;
  pointer-events: none;
  transform: translate(-50%, -50%);
  z-index: 3;
}

.cursor-crosshair {
  position: relative;
  width: 22px;
  height: 22px;
  display: block;
  border-radius: 999px;
  border: 2px solid #fff;
  box-shadow: 0 0 0 2px rgba(0, 0, 0, 0.9);
}

.cursor-crosshair::before,
.cursor-crosshair::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: #fff;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.9);
}

.cursor-crosshair::before {
  width: 2px;
  height: 30px;
}

.cursor-crosshair::after {
  width: 30px;
  height: 2px;
}

.canvas-wrap.is-crop-mode .cursor-crosshair {
  width: 26px;
  height: 26px;
  border-radius: 6px;
}

.empty-state {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  gap: 6px;
  padding: 24px;
  pointer-events: none;
}

.empty-state[hidden] {
  display: none !important;
}

.empty-state strong {
  font-size: 24px;
}

.empty-state span {
  color: var(--muted);
}

.stats,
.point-grid {
  display: grid;
  gap: 12px;
}

.stats {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 14px;
}

.stat-card,
.point-card,
.compare-block {
  border: 1px solid rgba(25, 22, 18, 0.08);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.72);
}

.stat-card {
  padding: 16px;
}

.stat-label {
  display: block;
  margin-bottom: 8px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.stat-card strong {
  display: block;
  font-size: 28px;
  margin-bottom: 6px;
}

.point-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-bottom: 14px;
}

.point-card,
.compare-block {
  padding: 14px;
}

.point-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}

.point-badge {
  width: 28px;
  height: 28px;
  display: inline-grid;
  place-items: center;
  border-radius: 999px;
  color: #fff;
  font-weight: 700;
}

.point-a { background: var(--accent-a); }
.point-b { background: var(--accent-b); }

.swatch {
  width: 100%;
  aspect-ratio: 1.8;
  border-radius: 16px;
  border: 1px solid rgba(25, 22, 18, 0.08);
  background:
    linear-gradient(135deg, rgba(255,255,255,0.36), rgba(255,255,255,0.04)),
    repeating-linear-gradient(
      45deg,
      rgba(255,255,255,0.28) 0,
      rgba(255,255,255,0.28) 12px,
      rgba(0,0,0,0.03) 12px,
      rgba(0,0,0,0.03) 24px
    );
  margin-bottom: 10px;
}

.value-list {
  display: grid;
  gap: 4px;
  font-size: 13px;
}

.compare-block + .compare-block {
  margin-top: 14px;
}

.tips {
  margin: 0;
  padding-left: 18px;
  line-height: 1.7;
}

@media (max-width: 980px) {
  .workspace {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  .page {
    width: min(100% - 16px, 1240px);
    padding-top: 12px;
    padding-bottom: 16px;
  }

  .hero,
  .stage-panel,
  .info-panel {
    padding: 16px;
  }

  .section-head,
  .stats,
  .point-grid {
    grid-template-columns: 1fr;
  }

  .mode-switch,
  .hero-actions {
    width: 100%;
  }

  .mode-btn,
  .ghost-btn,
  .upload-btn {
    flex: 1;
  }

  .canvas-wrap {
    min-height: 360px;
  }
}