:root{
  --bg:#f7f4ee; --card:#fffdf9; --ink:#1f1d1a; --muted:#6f6a62; --line:#e7e1d6;
  --accent:#e2603b; --accent-ink:#fff; --hl:#ffe3b8; --hl-ink:#1f1d1a; --ok:#2f8f5b;
  --radius:16px; --shadow:0 1px 2px rgba(0,0,0,.04),0 6px 24px rgba(40,30,10,.06);
}
@media (prefers-color-scheme: dark){
  :root{ --bg:#1c1b1f; --card:#25242a; --ink:#ece9e3; --muted:#a39d93; --line:#34323a;
    --accent:#ff7a52; --accent-ink:#1c1b1f; --hl:#5a4426; --hl-ink:#fff4e4; --shadow:none; }
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html{-webkit-text-size-adjust:100%}
body{background:var(--bg);color:var(--ink);font-family:"Pretendard Variable",Pretendard,-apple-system,"Apple SD Gothic Neo",sans-serif;
  line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh}
a{color:var(--accent);text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit;color:inherit}
p,li,h1,h2,h3{overflow-wrap:anywhere}
.wrap{max-width:720px;margin:0 auto;padding:0 16px}

.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;
  padding:calc(10px + env(safe-area-inset-top)) 16px 10px;background:color-mix(in srgb,var(--bg) 88%,transparent);
  backdrop-filter:saturate(1.4) blur(10px);-webkit-backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:8px;color:var(--ink);font-weight:800;font-size:18px;letter-spacing:-.02em}
.top nav a{color:var(--muted);font-size:14px}

main{max-width:720px;margin:0 auto;padding:18px 16px 140px;outline:none}
h1{font-size:clamp(24px,6vw,30px);letter-spacing:-.03em;line-height:1.3}
h2{font-size:19px;letter-spacing:-.02em;margin:28px 0 10px}
.lead{color:var(--muted);margin-top:8px}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 20px;border-radius:999px;
  background:var(--accent);color:var(--accent-ink);font-weight:700;font-size:16px}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.block{width:100%}
.btn:disabled{opacity:.45}

.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:16px}
.hero{margin:6px 0 18px}
.hero .btn{margin-top:16px}

.docs{display:flex;flex-direction:column;gap:10px;margin-top:8px}
.doc{display:flex;align-items:center;gap:12px;padding:14px 14px;background:var(--card);border:1px solid var(--line);border-radius:14px;color:var(--ink)}
.doc .t{flex:1;min-width:0}
.doc .t b{display:block;font-size:15.5px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.doc .t span{font-size:12.5px;color:var(--muted)}
.bar{height:4px;border-radius:4px;background:var(--line);margin-top:7px;overflow:hidden}
.bar i{display:block;height:100%;background:var(--accent);border-radius:4px}
.doc .del{color:var(--muted);padding:8px;font-size:18px;line-height:1}

.tabs{display:flex;gap:6px;background:var(--card);border:1px solid var(--line);border-radius:999px;padding:4px;margin:16px 0}
.tabs button{flex:1;min-height:40px;border-radius:999px;font-weight:600;color:var(--muted);font-size:15px}
.tabs button[aria-selected="true"]{background:var(--accent);color:var(--accent-ink)}
textarea{width:100%;min-height:220px;padding:14px;border-radius:14px;border:1px solid var(--line);background:var(--card);resize:vertical;line-height:1.7}
input[type=url],input[type=text],input[type=email]{width:100%;min-height:48px;padding:0 14px;border-radius:12px;border:1px solid var(--line);background:var(--card)}
.drop{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;min-height:180px;border:2px dashed var(--line);border-radius:16px;
  background:var(--card);color:var(--muted);text-align:center;padding:20px;cursor:pointer}
.drop.over{border-color:var(--accent);color:var(--ink)}
.hint{font-size:13px;color:var(--muted);margin-top:8px}
.row{display:flex;gap:10px;margin-top:14px}
.preview{margin-top:16px}
.preview ol{margin:8px 0 0 20px;color:var(--muted);font-size:14px}

/* 읽기 화면 */
.reader{font-size:clamp(17px,4.6vw,19px);line-height:1.95;word-break:keep-all}
.reader h1{font-size:22px;margin-bottom:6px}
.reader .meta{font-size:13px;color:var(--muted);margin-bottom:18px}
.reader .s{border-radius:6px;padding:2px 1px;cursor:pointer;transition:background .15s}
.reader .s.on{background:var(--hl);color:var(--hl-ink);box-decoration-break:clone;-webkit-box-decoration-break:clone}
.reader p{margin-bottom:.9em}

.dock{position:fixed;left:0;right:0;bottom:0;z-index:30;padding:10px 12px calc(12px + env(safe-area-inset-bottom));
  background:color-mix(in srgb,var(--card) 92%,transparent);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-top:1px solid var(--line)}
.dock .in{max-width:720px;margin:0 auto}
.dock .prog{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--muted)}
.dock input[type=range]{flex:1;accent-color:var(--accent)}
.dock .ctl{display:flex;align-items:center;justify-content:space-between;margin-top:6px}
.dock .ctl button{min-width:48px;min-height:48px;border-radius:999px;display:inline-flex;align-items:center;justify-content:center;font-weight:700}
.dock .play{width:60px;height:60px;background:var(--accent);color:var(--accent-ink);font-size:22px}
.dock .chip{font-size:13.5px;padding:0 12px;border:1px solid var(--line);color:var(--ink)}
.icon{width:24px;height:24px;fill:currentColor}

.sheet-bg{position:fixed;inset:0;background:rgba(0,0,0,.35);z-index:40;display:none}
.sheet{position:fixed;left:0;right:0;bottom:0;z-index:41;background:var(--card);border-radius:20px 20px 0 0;padding:18px 16px calc(20px + env(safe-area-inset-bottom));
  max-height:80vh;overflow:auto;transform:translateY(100%);transition:transform .22s ease}
.sheet.open{transform:none}.sheet-bg.open{display:block}
.sheet h3{font-size:16px;margin:14px 0 8px}
.opt{display:flex;align-items:center;gap:10px;padding:12px;border:1px solid var(--line);border-radius:12px;margin-bottom:8px}
.opt input{accent-color:var(--accent);width:18px;height:18px}
.opt small{display:block;color:var(--muted);font-size:12.5px}
.seg{display:flex;flex-wrap:wrap;gap:6px}
.seg button{min-height:40px;padding:0 14px;border-radius:999px;border:1px solid var(--line);font-size:14px}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink);border-color:var(--accent)}

.promise li{margin:0 0 8px 18px}
.small{font-size:13px;color:var(--muted)}
#toast{position:fixed;left:50%;bottom:calc(150px + env(safe-area-inset-bottom));transform:translateX(-50%);z-index:60;max-width:calc(100% - 32px);
  background:var(--ink);color:var(--bg);padding:10px 16px;border-radius:12px;font-size:14px;opacity:0;pointer-events:none;transition:opacity .2s}
#toast.show{opacity:1}
.empty{text-align:center;color:var(--muted);padding:26px 0}
.spin{display:inline-block;width:18px;height:18px;border:2px solid currentColor;border-right-color:transparent;border-radius:50%;animation:sp .7s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}
@media (prefers-reduced-motion: reduce){*{transition:none!important;animation:none!important}}