/* ============================================================
   증명사진 규격 만들기 전용 스타일
   (색상·간격·카드 등 공통 토큰은 common.css 재사용)
   - 이 도구의 모티프: 인화지에 늘어선 증명사진 칸(콘택트 시트)
   - 본체는 작업대 톤: 각진 패널, 모노 수치, 스테이지 위 규격 프레임
   ============================================================ */

:root {
  --ip-mono: ui-monospace, "SF Mono", "Cascadia Code", Consolas,
             "Liberation Mono", "Nanum Gothic Coding", monospace;
  --ip-stage-bg: #e9e4d8;
  --ip-dim: rgba(20, 16, 10, .55);   /* 규격 프레임 밖 어둡게 */
  --ip-guide: #0d8a7a;               /* 얼굴 가이드선(청록: 사진 위에서 잘 보임) */
}
:root[data-theme="dark"] {
  --ip-stage-bg: #100d09;
  --ip-dim: rgba(0, 0, 0, .64);
  --ip-guide: #2fbfae;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ip-stage-bg: #100d09;
    --ip-dim: rgba(0, 0, 0, .64);
    --ip-guide: #2fbfae;
  }
}

/* ---- 도입부: 증명사진 칸(3.5:4.5 비율)이 반복되는 콘택트 시트 배경 ---- */
.photo-sheet { position: relative; overflow: hidden; }
.photo-sheet > * { position: relative; }
.photo-sheet::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--color-grid) 1.2px, transparent 1.2px),
    linear-gradient(90deg, var(--color-grid) 1.2px, transparent 1.2px);
  background-size: 42px 54px;        /* 35:45 비율의 사진 칸 */
  opacity: .4;
  -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
   ============================================================ */
.ip-panel {
  border-radius: var(--radius-sm);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

/* ---- 드롭존 ---- */
.ip-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;
}
.ip-drop:hover, .ip-drop:focus-visible { border-color: var(--color-primary); }
.ip-drop:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 2px; }
.ip-drop.is-drag {
  border-color: var(--color-primary);
  background: var(--color-primary-weak);
}
.ip-drop-main { margin: 0 0 6px; font-weight: 600; }
.ip-drop-main u { text-decoration-color: var(--color-primary); text-underline-offset: 3px; }
.ip-drop-sub { margin: 0; font-size: .8rem; color: var(--color-text-sub); }

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

.ip-chips { display: inline-flex; flex-wrap: wrap; gap: 6px; }
.ip-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;
}
.ip-chips .chip:hover { border-color: var(--color-primary); }
.ip-chips .chip:has(input:checked) {
  background: var(--color-primary-weak);
  border-color: var(--color-primary);
  color: var(--color-primary);
  font-weight: 600;
}
.ip-chips .chip input { accent-color: var(--color-primary); margin: 0; }
.ip-chips .chip small { font-weight: 400; opacity: .75; }

input[type="range"].ip-range {
  flex: 1;
  min-width: 110px;
  max-width: 260px;
  accent-color: var(--color-primary);
}
.ip-value {
  font-family: var(--ip-mono);
  font-size: .82rem;
  min-width: 3.4em;
  font-variant-numeric: tabular-nums;
}
.ip-px {
  font-family: var(--ip-mono);
  font-size: .84rem;
  color: var(--color-primary);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}
.ip-mm-inputs {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: .84rem;
  color: var(--color-text-sub);
}
.ip-mm-inputs input[type="number"] {
  font: inherit;
  font-family: var(--ip-mono);
  font-size: .84rem;
  width: 4.6em;
  padding: 5px 7px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  background: var(--color-surface);
  color: var(--color-text);
}
.ip-mm-inputs input[type="number"]:focus { outline: none; border-color: var(--color-primary); }

/* ============================================================
   스테이지: 사진 + 규격 프레임 + 가이드
   ============================================================ */
.ip-stage {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(var(--color-grid) 1px, transparent 1.2px) 0 0 / 16px 16px,
    var(--ip-stage-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  touch-action: none;
  user-select: none;
  cursor: grab;
}
.ip-stage.is-grab { cursor: grabbing; }
.ip-stage img {
  position: absolute;
  left: 50%;
  top: 50%;
  max-width: none;
  will-change: transform;
  pointer-events: none;
}
.ip-frame {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  box-shadow: 0 0 0 9999px var(--ip-dim);
  outline: 1.5px solid #fff;
  outline-offset: -1px;
  pointer-events: none;
}
/* 얼굴 가이드 요소 (JS가 프레임 안에 채움) */
.ip-frame .gl {                       /* 가로 기준선 */
  position: absolute;
  left: 0; right: 0;
  height: 0;
  border-top: 1.5px dashed var(--ip-guide);
}
.ip-frame .gv {                       /* 세로 중앙선 */
  position: absolute;
  top: 0; bottom: 0;
  width: 0;
  border-left: 1px dashed var(--ip-guide);
  opacity: .7;
}
.ip-frame .gband {                    /* 턱 위치 허용 구간 */
  position: absolute;
  left: 0; right: 0;
  background: color-mix(in srgb, var(--ip-guide) 22%, transparent);
  border-top: 1px dashed var(--ip-guide);
  border-bottom: 1px dashed var(--ip-guide);
}
.ip-frame .goval {                    /* 일반 규격용 얼굴 타원 */
  position: absolute;
  border: 1.5px dashed var(--ip-guide);
  border-radius: 50%;
  opacity: .85;
}
.ip-frame .glabel {
  position: absolute;
  font-size: 10px;
  line-height: 1.2;
  font-weight: 700;
  color: var(--ip-guide);
  background: rgba(255,255,255,.72);
  padding: 1px 4px;
  border-radius: 3px;
  white-space: nowrap;
}

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

@media (max-width: 640px) {
  .ip-panel { padding: var(--space-3); }
  .ip-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(--ip-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; }