:root{
  --bg:#f5f4f0; --surface:#fbfbf9; --panel:#ffffff; --panel-soft:#f7f6f2;
  --ink:#1c1c1a; --ink-hover:#3a3935; --ink-2:#55534d; --sub:#7a776f; --muted:#8a877f;
  --line:#e3e1db; --line-2:#dcdad3; --line-3:#efeee9; --hover:#efeee9; --soft:#f3f2ee; --track:#ebe9e3;
  --accent:#2453c4; /* 여권 블루 */
  --accent-soft:#e6ecfb;
  --top:#e5484d; --chin:#16a571; --eye:#e8a317;
  --font:"IBM Plex Sans KR",sans-serif; --mono:"JetBrains Mono",monospace;
}
*{box-sizing:border-box}
[hidden]{display:none !important}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);-webkit-font-smoothing:antialiased}
button,input,select{font:inherit;color:inherit}
.mono-label{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--muted)}
.app{min-height:100vh;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:16px 28px;border-bottom:1px solid var(--line);background:var(--surface);flex-wrap:wrap}
.brand{display:flex;align-items:baseline;gap:14px;min-width:0;flex-wrap:wrap}
.brand-title{font-size:17px;font-weight:700;letter-spacing:-.01em}
.actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{height:36px;padding:0 14px;background:transparent;border:1px solid var(--line-2);border-radius:999px;font-size:13px;cursor:pointer;white-space:nowrap}
.btn:hover{background:var(--hover)}
.btn--solid{background:var(--ink);color:#fff;border:none;font-weight:500}
.btn--solid:hover{background:var(--ink-hover)}
.btn--accent{background:var(--accent)}
.btn--accent:hover{background:#1a3f9a}
.btn--small{height:30px;font-size:12px;align-self:flex-start}
.text-input{height:40px;padding:0 12px;background:var(--surface);border:1px solid var(--line-2);border-radius:8px;font:inherit;font-size:14px;color:var(--ink);width:100%;min-width:0}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
input[type=range]{width:100%;accent-color:var(--accent)}
@media (max-width:640px){ .topbar{padding:14px 16px} }

/* ---------- 레이아웃 ---------- */
.idp{flex:1;width:100%;max-width:1240px;margin:0 auto;padding:24px 28px 32px;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:28px;align-items:start}
.studio{display:flex;flex-direction:column;gap:14px;min-width:0}

/* 규격 탭: 사진관 가격표 같은 칩 */
.specbar{display:flex;gap:8px;overflow-x:auto;padding:2px 2px 8px;scrollbar-width:thin;-webkit-overflow-scrolling:touch}
.spec{flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-start;gap:4px;padding:9px 12px 10px;background:var(--panel);border:1px solid var(--line-2);border-radius:12px;cursor:pointer;text-align:left;transition:border-color .15s,background .15s,transform .15s}
.spec:hover{border-color:var(--ink);transform:translateY(-1px)}
.spec-name{font-size:13px;font-weight:700;white-space:nowrap}
.spec-size{font-family:var(--mono);font-size:10.5px;color:var(--muted);letter-spacing:.04em;white-space:nowrap}
.spec[aria-checked="true"]{background:var(--accent);border-color:var(--accent);color:#fff}
.spec[aria-checked="true"] .spec-size{color:rgba(255,255,255,.75)}

.stage-wrap{display:flex;flex-direction:column;gap:10px;align-items:center;padding:22px 16px 14px;border-radius:20px;
  background:
    linear-gradient(90deg,rgba(36,83,196,.06) 1px,transparent 1px) 0 0/20px 20px,
    linear-gradient(rgba(36,83,196,.06) 1px,transparent 1px) 0 0/20px 20px,
    #eef1f7;
  border:1px solid #dfe4ef}
.stage{position:relative;width:100%;max-width:560px;line-height:0;touch-action:none;user-select:none;-webkit-user-select:none;cursor:grab;border-radius:10px;overflow:hidden;box-shadow:0 24px 48px -28px rgba(20,40,90,.45)}
.stage:active{cursor:grabbing}
.stage canvas{display:block;width:100%;height:auto}
.drop-hint{position:absolute;left:12px;right:12px;bottom:12px;display:flex;flex-direction:column;gap:2px;padding:10px 14px;border-radius:12px;background:rgba(28,28,26,.78);color:#fff;line-height:1.45;pointer-events:none;font-size:12.5px}
.drop-hint strong{font-size:13px}
.drop-hint span{opacity:.75;font-size:11.5px}
.stage.is-over{outline:3px dashed var(--accent);outline-offset:4px}
.legend{display:flex;gap:16px;flex-wrap:wrap;justify-content:center;font-size:12px;color:var(--ink-2)}
.legend span{display:inline-flex;align-items:center;gap:6px}
.lg{display:inline-block;width:18px;height:0;border-top:2px solid}
.lg-top{border-color:var(--top)}
.lg-chin{height:8px;border:none;background:rgba(22,165,113,.35);box-shadow:inset 0 0 0 1px var(--chin)}
.lg-eye{border-color:var(--eye);border-top-style:dashed}

.quick{display:grid;grid-template-columns:1fr 1fr auto;gap:16px;align-items:end;padding:14px 16px;background:var(--panel);border:1px solid var(--line);border-radius:16px}
.quick-btns{display:flex;flex-direction:column;gap:8px}
.tip{margin:0;font-size:12px;color:var(--muted);line-height:1.6}

/* 패널 */
.panel{display:flex;flex-direction:column;gap:12px;min-width:0}
.card{display:flex;flex-direction:column;gap:12px;padding:16px;background:var(--panel);border:1px solid var(--line);border-radius:16px}
.card-title{margin:0;font-size:14px;font-weight:700;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.card-title small{font-weight:400;font-size:12px;color:var(--muted);font-family:var(--mono)}
.field{display:flex;flex-direction:column;gap:6px}
.field-label{display:flex;justify-content:space-between;font-size:12.5px;color:var(--ink-2)}
.field-label{align-items:center;gap:8px}
.field .tb-presets{margin-top:2px}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.mini{display:flex;flex-direction:column;gap:4px;font-size:12px;color:var(--ink-2);min-width:0}
.check{display:flex;align-items:center;gap:8px;font-size:13px;cursor:pointer}
.check input{width:16px;height:16px;accent-color:var(--accent)}

.spec-card{background:var(--accent-soft);border-color:#cdd8f3;gap:8px}
.spec-top{display:flex;align-items:baseline;justify-content:space-between;gap:8px}
.spec-card h2{margin:0;font-size:18px;letter-spacing:-.01em}
.spec-mm{font-family:var(--mono);font-size:13px;color:var(--accent);font-weight:500}
.spec-rule{display:grid;grid-template-columns:auto 1fr;gap:4px 10px;margin:0;font-size:12.5px}
.spec-rule dt{color:var(--sub)}
.spec-rule dd{margin:0;font-weight:500}
.badge{display:inline-block;font-size:10.5px;font-family:var(--mono);letter-spacing:.06em;padding:2px 7px;border-radius:999px;background:#fff;color:var(--accent);border:1px solid #cdd8f3;margin-left:6px;vertical-align:1px}
.badge--soft{color:var(--sub);border-color:var(--line-2)}
.spec-src{margin:0;font-size:11.5px;color:var(--sub);line-height:1.55}

.out-row{display:flex;gap:14px;align-items:center}
.single{width:96px;height:auto;flex:0 0 auto;background:#fff;box-shadow:0 0 0 1px var(--line-2),0 8px 18px -10px rgba(0,0,0,.4)}
.out-actions{flex:1;display:flex;flex-direction:column;gap:8px;min-width:0}
.out-actions .btn{height:40px}
.seg{display:flex;background:var(--soft);border-radius:999px;padding:3px;gap:2px;border:1px solid var(--line)}
.seg-btn{flex:1;height:30px;border:none;background:transparent;border-radius:999px;font-family:var(--mono);font-size:12.5px;color:var(--sub);cursor:pointer}
.seg-btn.is-active{background:#fff;color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}
.sheet-head{display:flex;align-items:baseline;justify-content:space-between;padding-top:8px;border-top:1px dashed var(--line-2)}
.sheet-head h3{margin:0;font-size:13.5px}
.sheet-head small{font-weight:400;color:var(--muted);font-family:var(--mono);font-size:11px}
.sheet{width:100%;height:auto;background:#fff;border-radius:4px;box-shadow:0 0 0 1px var(--line-2),0 14px 28px -18px rgba(0,0,0,.45)}
#saveSheet{height:44px;font-size:14px}
.note{margin:0;font-size:12px;line-height:1.6;color:var(--muted)}
.warn{margin:0;padding:12px 14px;border-radius:12px;background:#fff6e5;border:1px solid #f1dcae;font-size:12.5px;line-height:1.6;color:#6b5320}
.warn b{display:block;color:#3f300f;margin-bottom:2px}
.dot{display:inline-block;width:7px;height:7px;border-radius:50%;background:var(--accent);margin-right:6px;vertical-align:1px}

.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:10px 18px;border-radius:999px;font-size:13px;opacity:0;pointer-events:none;transition:opacity .2s,transform .2s;z-index:100;max-width:calc(100vw - 32px);text-align:center}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

@media (max-width:960px){
  .idp{grid-template-columns:minmax(0,1fr)}
}
@media (max-width:640px){
  .idp{padding:16px;gap:16px}
  .actions{width:100%}
  .actions .btn{flex:1}
  .stage-wrap{padding:14px 10px 10px;border-radius:16px}
  .drop-hint{left:8px;right:8px;bottom:8px;padding:7px 10px}
  .drop-hint span{display:none}
  .quick{grid-template-columns:1fr 1fr;gap:12px}
  .quick-btns{grid-column:1/-1;flex-direction:row;align-items:center;justify-content:space-between}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
}

/* 직접 입력칸: 단위(px·%·°)는 흐리게, 숫자는 본문색 */
.tb-num-wrap .tb-num{color:var(--ink)}

/* 다크 모드 (인쇄는 라이트 그대로) — 사진 · 인화지 미리보기는 원래 색 그대로 */
@media screen{
  :root[data-theme="dark"]{
    color-scheme:dark;
    --bg:#141318; --surface:#1a1920; --panel:#1f1e26; --panel-soft:#24232c;
    --ink:#ecebf0; --ink-hover:#ffffff; --ink-2:#c9c7d1; --sub:#a09eab; --muted:#8a8895;
    --line:#2e2d36; --line-2:#393843; --line-3:#26252d; --hover:#2a2932; --soft:#26252d; --track:#34333d;
    --accent:#7d9bf0; --accent-soft:rgba(125,155,240,.12);
  }
  :root[data-theme="dark"] .btn--solid,:root[data-theme="dark"] .toast{color:var(--bg)}
  :root[data-theme="dark"] .btn--accent{background:var(--accent)}
  :root[data-theme="dark"] .btn--accent:hover{background:#6a8be8}
  :root[data-theme="dark"] .spec[aria-checked="true"]{color:var(--bg)}
  :root[data-theme="dark"] .spec[aria-checked="true"] .spec-size{color:rgba(20,19,24,.7)}
  :root[data-theme="dark"] .stage-wrap{background:
    linear-gradient(90deg,rgba(125,155,240,.06) 1px,transparent 1px) 0 0/20px 20px,
    linear-gradient(rgba(125,155,240,.06) 1px,transparent 1px) 0 0/20px 20px,#191b24;border-color:#2b2f3d}
  :root[data-theme="dark"] .stage{box-shadow:0 24px 48px -28px rgba(0,0,0,.8)}
  :root[data-theme="dark"] .spec-card{border-color:rgba(125,155,240,.3)}
  :root[data-theme="dark"] .badge{background:var(--panel);border-color:rgba(125,155,240,.3)}
  :root[data-theme="dark"] .badge--soft{border-color:var(--line-2)}
  :root[data-theme="dark"] .seg-btn.is-active{background:var(--line-2);box-shadow:0 1px 3px rgba(0,0,0,.4)}
  :root[data-theme="dark"] .warn{background:rgba(240,185,60,.1);border-color:rgba(240,185,60,.28);color:#e3c88a}
  :root[data-theme="dark"] .warn b{color:#f6dc9c}
  :root[data-theme="dark"] .tb-presets button[aria-pressed="true"]{color:var(--bg)}
}