: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:#2f52f0; --accent-soft:rgba(47,82,240,.12); --on-accent:#fff;
  --err:#b3261e;
  --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{font:inherit;color:inherit}
.mono-label{font-family:var(--mono);font-size:11px;letter-spacing:.12em;color:var(--muted);font-weight:400}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.hint{font-size:12px;line-height:1.55;color:var(--muted);margin:0}
.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;margin:0}
.actions{display:flex;align-items:center;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:disabled{opacity:.45;cursor:default;background:transparent}
.btn--accent{background:var(--accent);color:var(--on-accent);border:none;font-weight:500}
.btn--accent:hover{filter:brightness(1.08);background:var(--accent)}
.btn--accent:disabled{background:var(--accent);filter:none}
.btn--lg{height:42px;padding:0 20px;font-size:14px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.text-input{width:100%;height:38px;padding:0 12px;background:var(--surface);border:1px solid var(--line-2);border-radius:10px;font:inherit;font-size:14px;color:var(--ink)}
.text-area{height:auto;min-height:62px;padding:9px 12px;line-height:1.45;resize:vertical;font-family:var(--mono);font-size:13.5px}
.text-input:focus,.sel:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.sel{width:100%;height:38px;padding:0 10px;background:var(--surface);color:var(--ink);border:1px solid var(--line-2);border-radius:10px;font:inherit;font-size:13px}

/* 레이아웃 */
.layout{flex:1;display:flex;flex-wrap:wrap;align-items:flex-start;min-height:0}
.panel{flex:1 1 320px;max-width:390px;min-width:0;align-self:stretch;border-right:1px solid var(--line);padding:22px 22px 40px;display:flex;flex-direction:column;gap:20px;background:var(--panel)}
.stage{flex:999 1 520px;min-width:0;display:flex;flex-direction:column;gap:16px;padding:28px 28px 48px}
.group{display:flex;flex-direction:column;gap:10px}
.group--line{border-top:1px solid var(--line-3);padding-top:18px}
.group-head{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap}
.g-title{margin:0;font-size:14px;font-weight:700;letter-spacing:-.01em;display:flex;align-items:baseline;gap:8px;flex-wrap:wrap}
.fld{display:flex;flex-direction:column;gap:6px;min-width:0}
.fld-k{font-size:12.5px;color:var(--ink-2)}
.fld-sub{font-size:11.5px;color:var(--muted);font-style:normal;margin-left:4px}
.fld-in{position:relative;display:block}
.fld-in input{width:100%;height:42px;padding:0 32px 0 12px;background:var(--surface);color:var(--ink);border:1px solid var(--line-2);border-radius:10px;font-family:var(--mono);font-size:17px;font-weight:500}
.fld-in input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.fld-in input.is-bad{border-color:var(--err)}
.fld-in i{position:absolute;right:11px;top:50%;transform:translateY(-50%);font-style:normal;font-family:var(--mono);font-size:11px;color:var(--muted);pointer-events:none}
.pair{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:10px}
.check{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--ink-2);cursor:pointer;line-height:1.45}
.check input{width:16px;height:16px;margin:2px 0 0;accent-color:var(--accent);flex:0 0 auto}
.checks2{display:flex;gap:18px;flex-wrap:wrap}
.chip{height:28px;padding:0 10px;border:1px solid var(--line-2);border-radius:999px;background:transparent;font-size:12px;color:var(--ink-2);cursor:pointer;white-space:nowrap}
.chip:hover{border-color:var(--accent);color:var(--ink)}
.chip--mono{font-family:var(--mono);font-size:11.5px}

/* 크기 */
.ratio-tag{font-family:var(--mono);font-size:12px;font-weight:500;color:var(--accent);background:var(--accent-soft);padding:3px 9px;border-radius:999px}
.size-row{display:grid;grid-template-columns:minmax(0,1fr) auto minmax(0,1fr);gap:8px;align-items:end}
.swap{width:38px;height:42px;border:1px solid var(--line-2);border-radius:10px;background:var(--surface);cursor:pointer;display:flex;align-items:center;justify-content:center;color:var(--ink-2)}
.swap:hover{border-color:var(--accent);color:var(--accent)}
.ptabs{display:flex;gap:2px;background:var(--soft);border-radius:999px;padding:3px;overflow-x:auto;scrollbar-width:none}
.ptabs::-webkit-scrollbar{display:none}
.ptab{flex:1 0 auto;height:28px;padding:0 10px;border:none;border-radius:999px;background:transparent;font-size:12px;color:var(--ink-2);cursor:pointer;white-space:nowrap}
.ptab[aria-selected="true"]{background:var(--panel);color:var(--ink);font-weight:500;box-shadow:0 1px 2px rgba(0,0,0,.08)}
.pchips{display:grid;grid-template-columns:repeat(auto-fill,minmax(118px,1fr));gap:6px}
.pchip{display:flex;align-items:center;gap:9px;min-height:44px;padding:6px 10px 6px 8px;border:1px solid var(--line-2);border-radius:10px;background:var(--surface);cursor:pointer;text-align:left;min-width:0}
.pchip:hover{border-color:var(--accent)}
.pchip[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.pchip-ic{flex:0 0 26px;height:26px;display:flex;align-items:center;justify-content:center}
.pchip-ic i{display:block;border:1.5px solid currentColor;border-radius:2px;color:var(--sub)}
.pchip[aria-pressed="true"] .pchip-ic i{color:var(--accent);background:var(--accent-soft)}
.pchip-t{display:flex;flex-direction:column;min-width:0}
.pchip-n{font-size:12px;color:var(--ink);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.pchip-s{font-family:var(--mono);font-size:10.5px;color:var(--muted)}

/* 문구 */
.tokens{display:flex;flex-wrap:wrap;gap:5px;align-items:center}
.seg{display:flex;gap:2px;background:var(--soft);border-radius:10px;padding:3px;height:38px}
.seg button{flex:1;border:none;border-radius:8px;background:transparent;font-size:12.5px;color:var(--ink-2);cursor:pointer}
.seg button[aria-pressed="true"]{background:var(--panel);color:var(--ink);font-weight:600;box-shadow:0 1px 2px rgba(0,0,0,.08)}

/* 슬라이더 */
.field{display:flex;flex-direction:column;gap:6px}
.field-head{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:12.5px;color:var(--ink-2)}
.field-head .tb-num{width:58px;height:30px;background:var(--surface);border-color:var(--line-2);color:var(--ink)}
.field .tb-presets{margin-top:0;gap:4px}
.field .tb-presets button{height:26px;min-width:0;padding:0 9px;font-size:11.5px}
input[type=range]{width:100%;accent-color:var(--accent);margin:0}

/* 색 */
.colors{display:flex;flex-direction:column;gap:6px}
.cfld{display:grid;grid-template-columns:92px minmax(0,1fr);align-items:center;gap:8px;min-width:0}
.cin{display:flex;align-items:center;gap:6px;height:38px;padding:0 8px 0 4px;border:1px solid var(--line-2);border-radius:10px;background:var(--surface);min-width:0}
.cin:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.cin input[type=color]{flex:0 0 28px;width:28px;height:28px;padding:0;border:none;border-radius:7px;background:none;cursor:pointer}
.cin input[type=color]::-webkit-color-swatch-wrapper{padding:0}
.cin input[type=color]::-webkit-color-swatch{border:1px solid rgba(0,0,0,.12);border-radius:7px}
.cin input[type=color]::-moz-color-swatch{border:1px solid rgba(0,0,0,.12);border-radius:7px}
.hex{flex:1;min-width:0;width:100%;height:30px;border:none;background:transparent;font-family:var(--mono);font-size:12px;color:var(--ink);padding:0;text-transform:uppercase}
.hex:focus{outline:none}
.hex.is-bad{color:var(--err)}
.swatches{display:flex;flex-wrap:wrap;gap:6px}
.sw{width:34px;height:34px;border-radius:10px;border:1px solid var(--line-2);cursor:pointer;padding:0;display:flex;align-items:center;justify-content:center;font-family:var(--mono);font-size:12px;font-weight:700}
.sw:hover{transform:translateY(-1px);box-shadow:0 2px 6px rgba(0,0,0,.12)}

/* 무늬 */
.patterns{display:grid;grid-template-columns:repeat(auto-fill,minmax(112px,1fr));gap:6px}
.pat{display:flex;flex-direction:row;align-items:center;gap:7px;padding:6px 8px;border:1px solid var(--line-2);border-radius:10px;background:var(--surface);cursor:pointer;font-size:11px;color:var(--ink-2);min-width:0}
.pat:hover{border-color:var(--accent)}
.pat[aria-checked="true"]{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent);color:var(--ink);font-weight:600}
.pat svg{width:30px;flex:0 0 30px;height:auto;border-radius:5px;display:block}

/* 가이드 */
.gchips{display:flex;flex-wrap:wrap;gap:6px}
.gchip{display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 11px 0 9px;border:1px solid var(--line-2);border-radius:999px;background:transparent;font-size:12px;color:var(--ink-2);cursor:pointer;white-space:nowrap}
.gchip i{width:10px;height:10px;border-radius:3px;border:2px solid currentColor;opacity:.5}
.gchip:hover{border-color:var(--accent)}
.gchip[aria-pressed="true"]{border-color:transparent;background:var(--ink);color:var(--bg)}
.gchip[aria-pressed="true"] i{opacity:1}

/* 미리보기 */
.pv-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:14px;display:flex;flex-direction:column;gap:12px;min-width:0}
.pv-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:2px 4px 0}
.pv-size{font-family:var(--mono);font-size:20px;font-weight:700;letter-spacing:-.02em}
.pv-sub{font-family:var(--mono);font-size:11.5px;color:var(--muted);flex:1 1 auto;min-width:0}
.pv-bg{display:flex;gap:2px;background:var(--soft);border-radius:999px;padding:3px}
.pv-bg button{height:26px;padding:0 10px;border:none;border-radius:999px;background:transparent;font-size:11.5px;color:var(--ink-2);cursor:pointer}
.pv-bg button[aria-pressed="true"]{background:var(--panel);color:var(--ink);font-weight:600;box-shadow:0 1px 2px rgba(0,0,0,.08)}
.pv-box{position:relative;border-radius:12px;min-height:240px;display:flex;align-items:center;justify-content:center;padding:24px;overflow:hidden}
.pv-box.is-check{background-color:#fff;background-image:linear-gradient(45deg,#ecebe6 25%,transparent 25%,transparent 75%,#ecebe6 75%),linear-gradient(45deg,#ecebe6 25%,transparent 25%,transparent 75%,#ecebe6 75%);background-size:20px 20px;background-position:0 0,10px 10px}
.pv-box.is-light{background:#f2f1ed}
.pv-box.is-dark{background:#1b1b1f}
.pv-wrap{position:relative;line-height:0;box-shadow:0 1px 2px rgba(0,0,0,.08),0 8px 28px rgba(0,0,0,.10)}
.pv-wrap canvas{display:block}
.pv-wrap.is-pixel canvas{image-rendering:pixelated}
.pv-guide{position:absolute;inset:0;pointer-events:none}

/* 저장 */
.out-card,.batch-card{background:var(--panel);border:1px solid var(--line);border-radius:18px;padding:16px;display:flex;flex-direction:column;gap:12px;min-width:0}
.out-row{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap}
.fmt,.scale{display:flex;gap:2px;background:var(--soft);border-radius:999px;padding:3px;height:40px}
.fmt button,.scale button{border:none;border-radius:999px;background:transparent;padding:0 13px;font-family:var(--mono);font-size:12.5px;color:var(--ink-2);cursor:pointer}
.fmt button[aria-checked="true"],.scale button[aria-checked="true"]{background:var(--ink);color:var(--bg);font-weight:600}
.fname{display:flex;flex-direction:column;gap:5px;flex:1 1 160px;min-width:0}
.fname .text-input{font-family:var(--mono);font-size:13px}
.out-actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.batch-head{display:flex;justify-content:space-between;gap:10px}
.batch-head .hint{margin-top:5px}
.bsets{display:flex;flex-wrap:wrap;gap:6px;align-items:center}
.badd{display:flex;gap:8px;flex-wrap:wrap}
.badd .text-input{flex:1 1 220px;width:auto;font-family:var(--mono);font-size:13px}
.blist{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}
.blist:empty::before{content:"아직 고른 크기가 없어요. 묶음을 불러오거나 크기를 추가해요.";font-size:12px;color:var(--muted)}
.bitem{display:flex;align-items:center;gap:4px;height:32px;padding:0 4px 0 11px;border:1px solid var(--line-2);border-radius:999px;background:var(--panel-soft);font-family:var(--mono);font-size:12px}
.bitem small{font-family:var(--font);color:var(--muted);font-size:11px;margin-left:2px}
.bitem button{width:24px;height:24px;border:none;border-radius:999px;background:transparent;color:var(--muted);cursor:pointer;font-size:14px;line-height:1}
.bitem button:hover{background:var(--hover);color:var(--err)}
.batch-foot{display:flex;justify-content:flex-end;gap:8px;flex-wrap:wrap}
.privacy{font-size:12px;color:var(--muted);margin:0;text-align:center}

/* 토스트 */
.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:50;max-width:calc(100% - 32px);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.toast.is-on{opacity:1;transform:translate(-50%,0)}

@media (max-width:900px){
  .panel{max-width:none;border-right:none;border-bottom:1px solid var(--line)}
}
@media (max-width:640px){
  .topbar{padding:14px 16px}
  .actions{width:100%}
  .actions .btn{flex:1}
  .panel{padding:20px 16px 28px}
  .stage{padding:20px 16px 32px}
  .pv-box{padding:14px;min-height:180px}
  .pv-size{font-size:17px}
  .text-input,.sel,.fld-in input,.hex{font-size:16px}
  .text-area{font-size:16px}
  .out-actions .btn{flex:1 1 auto}
  .out-actions .btn--lg{flex-basis:100%}
  .fname{flex-basis:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{transition:none !important;animation:none !important}
}

/* 다크 모드 (인쇄는 라이트 그대로) — 미리보기 바탕(체크·밝게)과 만든 이미지는 결과물이라 그대로 둠 */
@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:#8f8d9a;
    --line:#2e2d36; --line-2:#393843; --line-3:#26252d; --hover:#2a2932; --soft:#26252d; --track:#34333d;
    --accent:#8a9dff; --accent-soft:rgba(138,157,255,.16); --on-accent:#10121f;
    --err:#ff8a80;
  }
  :root[data-theme="dark"] .toast,:root[data-theme="dark"] .tb-presets button[aria-pressed="true"]{color:var(--bg)}
  :root[data-theme="dark"] .ptab[aria-selected="true"],:root[data-theme="dark"] .seg button[aria-pressed="true"],:root[data-theme="dark"] .pv-bg button[aria-pressed="true"]{background:var(--hover);box-shadow:inset 0 0 0 1px var(--line-2)}
  :root[data-theme="dark"] .cin input[type=color]::-webkit-color-swatch{border-color:rgba(255,255,255,.18)}
  :root[data-theme="dark"] .pv-box.is-check,:root[data-theme="dark"] .pv-box.is-light{box-shadow:0 0 0 1px var(--line-2)}
}