/* ============================================================
   이미지 자르기 전용 스타일
   (색상·간격·카드 등 공통 토큰은 common.css 재사용)
   - 이 도구의 모티프: 재단 매트(커팅 매트)의 촘촘한 격자
   - 본체는 이미지 변환기와 같은 "작업대" 톤: 각진 패널, 모노 수치
   ============================================================ */

:root {
  --cr-mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas,
             "Liberation Mono", "Nanum Gothic Coding", monospace;
  /* 스테이지(작업 바닥) 색: 사진이 잘 보이도록 살짝 어두운 중립색 */
  --cr-stage-bg: #e9e4d8;
  --cr-dim: rgba(20, 16, 10, .52);   /* 선택 영역 밖 어둡게 */
}
:root[data-theme="dark"] {
  --cr-stage-bg: #100d09;
  --cr-dim: rgba(0, 0, 0, .62);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --cr-stage-bg: #100d09;
    --cr-dim: rgba(0, 0, 0, .62);
  }
}

/* ---- 도입부: 재단 매트 격자 배경 (이 도구의 얼굴) ---- */
.cutting-mat { position: relative; overflow: hidden; }
.cutting-mat > * { position: relative; }
.cutting-mat::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    /* 5칸마다 진한 기준선 */
    linear-gradient(var(--color-grid-strong) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid-strong) 1px, transparent 1px),
    /* 촘촘한 보조선 */
    linear-gradient(var(--color-grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-grid) 1px, transparent 1px);
  background-size: 90px 90px, 90px 90px, 18px 18px, 18px 18px;
  opacity: .34;
  -webkit-mask-image: linear-gradient(115deg, rgba(0,0,0,.6), transparent 58%);
          mask-image: linear-gradient(115deg, rgba(0,0,0,.6), transparent 58%);
  pointer-events: none;
}

.tool-intro {
  padding: var(--space-6) 0 var(--space-5);
  margin-bottom: var(--space-5);
}
.tool-intro h1 {
  margin: 0 0 var(--space-3);
  max-width: 20ch;
  font-size: clamp(2.1rem, 5vw, 3.1rem);
  line-height: 1.18;
  letter-spacing: -.02em;
}
.lead {
  color: var(--color-text-sub);
  margin: var(--space-2) 0 var(--space-2);
  max-width: 60ch;
  font-size: 1.02rem;
}
.lead-note {
  color: var(--color-text-sub);
  font-size: .85rem;
  opacity: .85;
  margin: 0 0 var(--space-5);
}

/* ============================================================
   작업대 패널
   ============================================================ */
.cr-panel {
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ---- 드롭존 ---- */
.cr-drop {
  border: 2px dashed var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-bg);
  padding: var(--space-6) var(--space-4);
  text-align: center;
  cursor: pointer;
}
.cr-drop:hover, .cr-drop:focus-visible { border-color: var(--color-primary); }
.cr-drop:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.cr-drop.is-drag {
  border-color: var(--color-primary);
  background: var(--color-primary-weak);
}
.cr-drop-main { margin: 0 0 6px; font-weight: 600; }
.cr-drop-main u { text-decoration-color: var(--color-primary); text-underline-offset: 3px; }
.cr-drop-sub { margin: 0; font-size: .8rem; color: var(--color-text-sub); }

/* ---- 설정 행 (이미지 변환기와 같은 문법) ---- */
.cr-row {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.cr-label {
  flex: none;
  min-width: 5.5em;
  font-size: .8rem;
  font-weight: 600;
  color: var(--color-text-sub);
}
.cr-note { margin: 0; font-size: .8rem; color: var(--color-text-sub); }
.cr-warn { color: var(--color-primary); }

.cr-chips { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.cr-chips .chip {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 13px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-surface);
  cursor: pointer;
  font-size: .86rem;
  user-select: none;
}
.cr-chips .chip:hover { border-color: var(--color-primary); }
.cr-chips .chip:has(input:checked) {
  background: var(--color-primary-weak);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
}
.cr-chips .chip input { accent-color: var(--color-primary); margin: 0; }
.cr-chips .chip.is-disabled { opacity: .4; cursor: not-allowed; }

input[type="range"].cr-range {
  flex: 1;
  min-width: 120px;
  max-width: 280px;
  accent-color: var(--color-primary);
}
.cr-value {
  font-family: var(--cr-mono);
  font-size: .82rem;
  min-width: 3em;
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   스테이지: 사진 + 선택 상자
   ============================================================ */
.cr-stage {
  display: flex;
  justify-content: center;
  align-items: center;
  background:
    radial-gradient(var(--color-grid) 1px, transparent 1.2px) 0 0 / 16px 16px,
    var(--cr-stage-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  overflow: hidden;
}
.cr-frame {
  position: relative;
  touch-action: none;          /* 터치 드래그가 스크롤로 새지 않게 */
  user-select: none;
}
.cr-frame canvas { display: block; }

/* 선택 상자: 밖은 어둡게, 안은 삼분할 격자 */
.cr-box {
  position: absolute;
  box-shadow: 0 0 0 9999px var(--cr-dim);
  outline: 1.5px solid #fff;
  outline-offset: -1px;
  cursor: move;
}
.cr-box:focus-visible { outline: 2px solid var(--color-primary); }
.cr-box .thirds {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(255,255,255,.45) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.45) 1px, transparent 1px);
  background-size: 100% 33.34%, 33.34% 100%;
  background-position: 0 -1px, -1px 0;
}
/* 원형 모드: 잘려 나갈 영역을 타원 밖 음영으로 미리 보여 줌 */
.cr-box.is-circle .thirds { display: none; }
.cr-box .circle-mask {
  position: absolute;
  inset: 0;
  pointer-events: none;
  display: none;
  background: radial-gradient(ellipse closest-side at 50% 50%,
    transparent 0 98%, rgba(20,16,10,.45) 100%);
}
.cr-box.is-circle .circle-mask { display: block; }
.cr-box.is-circle { border-radius: 0; } /* 상자 자체는 사각 유지(핸들 위치) */

/* 크기 조절 핸들 8개 */
.cr-h {
  position: absolute;
  width: 22px;
  height: 22px;
  margin: -11px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.cr-h::after {
  content: "";
  width: 11px;
  height: 11px;
  background: #fff;
  border: 1.5px solid var(--color-primary);
  border-radius: 2px;
  box-shadow: 0 1px 3px rgba(0,0,0,.35);
}
.cr-h[data-h="nw"] { left: 0;    top: 0;    cursor: nwse-resize; }
.cr-h[data-h="n"]  { left: 50%;  top: 0;    cursor: ns-resize; }
.cr-h[data-h="ne"] { left: 100%; top: 0;    cursor: nesw-resize; }
.cr-h[data-h="e"]  { left: 100%; top: 50%;  cursor: ew-resize; }
.cr-h[data-h="se"] { left: 100%; top: 100%; cursor: nwse-resize; }
.cr-h[data-h="s"]  { left: 50%;  top: 100%; cursor: ns-resize; }
.cr-h[data-h="sw"] { left: 0;    top: 100%; cursor: nesw-resize; }
.cr-h[data-h="w"]  { left: 0;    top: 50%;  cursor: ew-resize; }

/* ---- 좌표·크기 입력 (원본 픽셀 기준) ---- */
.cr-coords {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.cr-coords label {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: .78rem;
  color: var(--color-text-sub);
  font-weight: 600;
}
.cr-coords input[type="number"] {
  font: inherit;
  font-family: var(--cr-mono);
  font-size: .84rem;
  width: 5.4em;
  padding: 5px 7px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-surface);
  color: var(--color-text);
}
.cr-coords input[type="number"]:focus {
  outline: none;
  border-color: var(--color-primary);
}
.cr-size-live {
  font-family: var(--cr-mono);
  font-size: .84rem;
  color: var(--color-primary);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ---- 버튼 줄 ---- */
.cr-actions { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.cr-btn-sm { padding: 6px 12px; font-size: .84rem; }
.cr-status {
  font-size: .82rem;
  color: var(--color-primary);
  font-weight: 600;
}

@media (max-width: 640px) {
  .cr-panel { padding: var(--space-3); }
  .cr-stage { padding: var(--space-2); }
  .cr-label { min-width: 100%; }
}

/* ---- 설명/FAQ 본문 (다른 도구와 동일 톤) ---- */
.prose { margin-top: var(--space-6); }
.prose h2 { margin-bottom: var(--space-3); }
.prose h3 { margin: var(--space-4) 0 var(--space-2); font-size: 1.05rem; }
.prose p, .prose li { color: var(--color-text); }
.prose em { color: var(--color-primary); font-style: normal; font-weight: 600; }
.prose ol, .prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: var(--space-2); }
.prose code {
  font-family: var(--cr-mono);
  font-size: .86em;
  background: var(--color-primary-weak);
  border-radius: 4px;
  padding: 1px 5px;
}
.prose details {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: var(--space-3) var(--space-4);
  margin-bottom: var(--space-2);
  background: var(--color-surface);
}
.prose summary { cursor: pointer; font-weight: 600; }
.prose details[open] summary { margin-bottom: var(--space-2); }
.prose details p { margin: 0 0 var(--space-2); color: var(--color-text-sub); }
.prose details p:last-child { margin-bottom: 0; }
.prose .table-wrap { overflow-x: auto; margin: 0 0 var(--space-4); }
.prose table { border-collapse: collapse; width: 100%; font-size: .92rem; }
.prose th, .prose td {
  border: 1px solid var(--color-border);
  padding: var(--space-2) var(--space-3);
  text-align: left;
  vertical-align: top;
}
.prose th { background: var(--color-surface); font-weight: 700; white-space: nowrap; }