: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:#2b8a3e; /* 체크 그린 */
  --accent-ink:#237032;
  --accent-soft:#e6f4ea;
  --warn:#c92a2a; --warn-soft:#fff0f0;
  --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}
body.is-dragging{cursor:grabbing;user-select:none;-webkit-user-select:none}
button,input,select,textarea{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:not(:disabled){background:var(--hover)}
.btn:disabled{opacity:.45;cursor:default}
.btn--solid{background:var(--ink);color:#fff;border:none;font-weight:500}
.btn--solid:hover:not(:disabled){background:var(--ink-hover)}
.btn--small{height:30px;padding:0 12px;font-size:12px}
.btn--danger{color:var(--warn)}
.btn--danger:hover{background:var(--warn-soft) !important}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0;white-space:nowrap}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.link-btn{border:0;background:none;padding:4px 0;font-size:13px;color:var(--sub);cursor:pointer;text-decoration:underline;text-underline-offset:3px;align-self:flex-start}
.link-btn:hover{color:var(--accent)}
kbd{font-family:var(--mono);font-size:10.5px;padding:1px 5px;border:1px solid var(--line-2);border-bottom-width:2px;border-radius:4px;background:var(--panel);color:var(--ink-2)}

/* 레이아웃 */
.cl{width:100%;max-width:1180px;margin:0 auto;padding:28px 28px 64px;display:grid;grid-template-columns:260px minmax(0,1fr);gap:24px;align-items:start}
.side{position:sticky;top:16px;display:flex;flex-direction:column;gap:10px;min-width:0}
.side-head{display:flex;align-items:center;gap:8px;padding:0 4px}
.side-title{font-size:13px;font-weight:700}
.side-count{font-family:var(--mono);font-size:11px;color:var(--muted);background:var(--soft);border-radius:999px;padding:2px 8px}
.lists{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:6px;max-height:calc(100vh - 220px);overflow:auto}
.list-btn{width:100%;text-align:left;border:1px solid transparent;background:transparent;border-radius:12px;padding:10px 12px;cursor:pointer;display:flex;flex-direction:column;gap:6px}
.list-btn:hover{background:var(--hover)}
.list-btn.is-active{background:var(--panel);border-color:var(--line);box-shadow:0 1px 2px rgba(0,0,0,.04)}
.lb-title{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.list-btn.is-active .lb-title{font-weight:700}
.lb-meta{display:flex;align-items:center;gap:8px}
.lb-bar{flex:1;height:4px;border-radius:999px;background:var(--track);overflow:hidden}
.lb-bar i{display:block;height:100%;background:var(--accent);border-radius:999px}
.lb-num{font-family:var(--mono);font-size:11px;color:var(--muted)}
.list-btn.is-full .lb-num{color:var(--accent)}
.side-empty{margin:0;font-size:13px;color:var(--muted);padding:0 4px}
.side-tpl{height:40px;border:1px dashed var(--line-2);border-radius:12px;background:transparent;cursor:pointer;font-size:13px;color:var(--ink-2)}
.side-tpl:hover{border-color:var(--accent);color:var(--accent);background:var(--accent-soft)}
.side-note{margin:0;font-size:12px;color:var(--muted);padding:0 4px}
.main{min-width:0;display:flex;flex-direction:column;gap:14px}

/* 공유 배너 */
.banner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px 16px;border-radius:14px;background:var(--accent-soft);border:1px solid #b7dfc2}
.banner p{margin:0;font-size:14px;line-height:1.5;color:var(--ink-2)}
.banner b{color:var(--accent-ink)}
.banner-btns{display:flex;gap:8px}

/* 템플릿 */
.gallery{display:flex;flex-direction:column;gap:16px}
.gal-title{margin:0;font-size:22px;letter-spacing:-.02em}
.gal-sub{margin:6px 0 0;font-size:14px;color:var(--sub)}
.tpl-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}
.tpl{display:flex;flex-direction:column;align-items:flex-start;gap:6px;text-align:left;padding:16px;border-radius:16px;border:1px solid var(--line);background:var(--panel);cursor:pointer;min-height:140px;transition:transform .15s,border-color .15s,box-shadow .15s}
.tpl:hover{border-color:var(--accent);transform:translateY(-2px);box-shadow:0 8px 20px rgba(43,138,62,.1)}
.tpl-icon{font-size:26px;line-height:1;margin-bottom:4px}
.tpl-name{font-size:15px;font-weight:700}
.tpl-desc{font-size:12px;color:var(--sub);line-height:1.5}
.tpl-n{margin-top:auto;font-family:var(--mono);font-size:11px;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:2px 8px}
.tpl--blank{border-style:dashed;background:transparent;justify-content:center}
.tpl--blank .tpl-icon{width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--soft);font-size:20px}

/* 문서 */
.doc{background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:24px 26px 20px;display:flex;flex-direction:column;gap:16px;min-width:0}
.doc-head{display:flex;flex-direction:column;gap:12px}
.doc-title{width:100%;border:0;border-bottom:2px solid transparent;background:transparent;font-size:26px;font-weight:700;letter-spacing:-.02em;padding:2px 0 6px}
.doc-title:hover:not([readonly]){border-bottom-color:var(--line)}
.doc-title:focus{outline:none;border-bottom-color:var(--accent)}
.prog{display:flex;align-items:center;gap:12px}
.prog-bar{flex:1;height:10px;border-radius:999px;background:var(--track);overflow:hidden}
.prog-bar i{display:block;height:100%;width:0;background:var(--accent);border-radius:999px;transition:width .35s ease}
.prog-text{font-family:var(--mono);font-size:13px;color:var(--ink-2);white-space:nowrap}
.prog.is-full .prog-text{color:var(--accent);font-weight:500}
.prog.is-full .prog-bar i{background:linear-gradient(90deg,var(--accent),#51cf66)}
.doc-tools{display:flex;align-items:center;gap:6px;flex-wrap:wrap;padding-bottom:14px;border-bottom:1px solid var(--line-3)}
.toggle{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--ink-2);cursor:pointer}
.toggle input{accent-color:var(--accent);width:16px;height:16px;margin:0}
.sep{width:1px;height:18px;background:var(--line);margin:0 4px}

.share{display:flex;flex-direction:column;gap:8px;padding:14px;border-radius:12px;background:var(--panel-soft);border:1px solid var(--line-3)}
.share-row{display:flex;gap:8px}
.share-url{flex:1;min-width:0;height:34px;padding:0 10px;border:1px solid var(--line-2);border-radius:8px;background:var(--surface);font-family:var(--mono);font-size:12px;color:var(--ink-2)}
.share-note{margin:0;font-size:12px;color:var(--muted);line-height:1.5}
.share-note.is-warn{color:#b35c00}

.sections{display:flex;flex-direction:column;gap:22px}
.sec-head{display:flex;align-items:center;gap:4px;border-bottom:1px solid var(--line-3);padding-bottom:6px;margin-bottom:4px}
.sec-title{flex:1;min-width:0;border:0;background:transparent;font-size:15px;font-weight:700;padding:4px 2px;border-radius:6px;color:var(--ink)}
.sec-title::placeholder{color:var(--muted);font-weight:400}
.sec-title:focus{outline:none;background:var(--soft)}
.sec-count{font-family:var(--mono);font-size:11px;color:var(--muted);margin-right:4px}
.ic{width:28px;height:28px;border:0;border-radius:8px;background:transparent;color:var(--muted);cursor:pointer;font-size:14px}
.ic:hover:not(:disabled){background:var(--hover);color:var(--ink)}
.ic:disabled{opacity:.3;cursor:default}
.ic--del:hover:not(:disabled){color:var(--warn)}

.items{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;min-height:4px}
.item{display:flex;align-items:center;gap:6px;padding:3px 0;border-radius:10px;position:relative;background:var(--panel)}
.item:hover{background:var(--panel-soft)}
.handle{width:22px;height:32px;border:0;background:transparent;color:var(--line-2);cursor:grab;font-size:15px;touch-action:none;border-radius:6px;flex:none;padding:0}
.item:hover .handle,.handle:focus-visible{color:var(--muted)}
.cb{position:relative;display:inline-flex;flex:none;cursor:pointer}
.cb input{position:absolute;opacity:0;width:100%;height:100%;margin:0;cursor:pointer}
.box{width:22px;height:22px;border-radius:7px;border:2px solid var(--line-2);background:var(--surface);display:grid;place-items:center;transition:background .15s,border-color .15s}
.box::after{content:"";width:6px;height:11px;border:solid #fff;border-width:0 2.5px 2.5px 0;transform:rotate(45deg) scale(0);margin-top:-3px;transition:transform .18s cubic-bezier(.3,1.6,.5,1)}
.cb input:checked + .box{background:var(--accent);border-color:var(--accent)}
.cb input:checked + .box::after{transform:rotate(45deg) scale(1)}
.cb input:focus-visible + .box{outline:2px solid var(--accent);outline-offset:2px}
.cb:hover .box{border-color:var(--accent)}
.it-text{flex:1;min-width:0;height:34px;border:0;background:transparent;font-size:15px;padding:0 6px;border-radius:6px;color:var(--ink);transition:color .2s}
.it-text:focus{outline:none;background:var(--soft)}
.it-text::placeholder{color:var(--muted)}
.is-done .it-text{color:var(--muted);text-decoration:line-through;text-decoration-color:var(--accent);text-decoration-thickness:2px}
.it-del{width:28px;height:28px;border:0;border-radius:8px;background:transparent;color:transparent;cursor:pointer;font-size:17px;flex:none}
.item:hover .it-del,.it-del:focus-visible,.item:focus-within .it-del{color:var(--muted)}
.it-del:hover{color:var(--warn) !important;background:var(--warn-soft)}
.item.is-drag{box-shadow:0 8px 24px rgba(0,0,0,.14);background:var(--panel);outline:2px solid var(--accent);z-index:2}
.item.just .box{animation:pulse .35s ease-out}
@keyframes pulse{0%{transform:scale(1)}40%{transform:scale(1.25)}100%{transform:scale(1)}}
.hide-done .item.is-done{display:none}
.add-row{display:flex;align-items:center;gap:6px;padding:3px 0 0 28px}
.plus{width:22px;text-align:center;color:var(--muted);font-size:17px}
.add-input{flex:1;min-width:0;height:34px;border:0;border-bottom:1px dashed var(--line-2);background:transparent;font-size:14px;padding:0 6px}
.add-input:focus{outline:none;border-bottom-color:var(--accent)}
.add-sec{align-self:flex-start;height:36px;padding:0 16px;border:1px dashed var(--line-2);border-radius:999px;background:transparent;cursor:pointer;font-size:13px;color:var(--ink-2)}
.add-sec:hover{border-color:var(--accent);color:var(--accent)}
.kbd-help{margin:4px 0 0;font-size:12px;color:var(--muted);line-height:1.9}
.is-preview .item:hover{background:transparent}
.is-preview .it-text,.is-preview .sec-title{cursor:default}
.is-preview .add-row{display:none}
.is-preview .items{padding-left:4px}

.print-area{display:none}

@media (max-width:860px){
  .cl{grid-template-columns:minmax(0,1fr);gap:16px}
  .side{position:static;background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:12px}
  .lists{flex-direction:row;overflow-x:auto;max-height:none;padding-bottom:4px;gap:8px;scrollbar-width:thin}
  .lists li{flex:0 0 170px;min-width:0}
  .list-btn{border-color:var(--line-3);background:var(--panel-soft)}
  .side-note{display:none}
}
@media (max-width:640px){
  .topbar{padding:14px 16px}
  .cl{padding:16px 16px 48px}
  .doc{padding:18px 14px 16px;border-radius:16px}
  .doc-title{font-size:21px}
  .it-text{font-size:15px}
  .handle{width:18px}
  .it-del{color:var(--line-2)}
  .add-row{padding-left:24px}
  .tpl-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .tpl{min-height:128px;padding:14px}
  .tpl-desc{font-size:11.5px}
  .kbd-help{display:none}
  .sep{display:none}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
}

.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(100vw - 32px)}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

/* 인쇄: 체크리스트만 */
@media print{
  @page{margin:16mm 14mm}
  body{background:#fff}
  body > *:not(.print-area){display:none !important}
  .print-area{display:block !important;color:#111;font-family:var(--font)}
  .print-area h1{font-size:22pt;margin:0 0 4pt;letter-spacing:-.02em}
  .pr-meta{margin:0 0 14pt;font-size:9pt;color:#666}
  .pr-cols{columns:2;column-gap:12mm}
  .print-area section{break-inside:avoid;margin:0 0 12pt}
  .print-area h2{font-size:11.5pt;margin:0 0 5pt;padding-bottom:3pt;border-bottom:1px solid #999}
  .print-area ul{list-style:none;margin:0;padding:0}
  .print-area li{display:flex;align-items:flex-start;gap:7pt;font-size:10.5pt;line-height:1.35;padding:3pt 0;break-inside:avoid}
  .pr-box{flex:none;width:11pt;height:11pt;border:1.2px solid #222;border-radius:2pt;font-size:9pt;line-height:10pt;text-align:center}
  .pr-done{color:#666}
}

/* 다크 모드 (인쇄는 라이트 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:#51cf66; --accent-ink:#8ce99a; --accent-soft:rgba(81,207,102,.14);
    --warn:#ff8787; --warn-soft:rgba(255,135,135,.12);
  }
  :root[data-theme="dark"] .btn--solid,:root[data-theme="dark"] .toast{color:var(--bg)}
  :root[data-theme="dark"] .btn--solid{background:var(--accent);color:#0f2a14}
  :root[data-theme="dark"] .btn--solid:hover:not(:disabled){background:#69db7c}
  :root[data-theme="dark"] .box::after{border-color:#10240f}
  :root[data-theme="dark"] .banner{border-color:rgba(81,207,102,.3)}
  :root[data-theme="dark"] .list-btn.is-active{box-shadow:none;border-color:var(--line-2)}
  :root[data-theme="dark"] .tpl:hover{box-shadow:0 8px 20px rgba(0,0,0,.35)}
  :root[data-theme="dark"] .item.is-drag{box-shadow:0 8px 24px rgba(0,0,0,.5)}
  :root[data-theme="dark"] .share-note.is-warn{color:#ffc078}
  :root[data-theme="dark"] .handle{color:#4a4955}
  :root[data-theme="dark"] .it-text::placeholder,:root[data-theme="dark"] .sec-title::placeholder,:root[data-theme="dark"] .add-input::placeholder{color:#75737f}
  :root[data-theme="dark"] .prog.is-full .prog-bar i{background:linear-gradient(90deg,#2f9e44,#69db7c)}
}