:root{--bg:#f5f6f8;--card:#fff;--ink:#1b2330;--muted:#6b7480;--brand:#1f3a5f;--accent:#2f6df0;--kakao:#fee500;--error:#c0392b;--success:#1e8449;--border:#e3e6ea}*{box-sizing:border-box}html,body,#root{height:100%}body{background:var(--bg);color:var(--ink);-webkit-font-smoothing:antialiased;margin:0;font-family:-apple-system,BlinkMacSystemFont,Apple SD Gothic Neo,Malgun Gothic,Segoe UI,Roboto,sans-serif}.app{min-height:100%}.topbar{padding:calc(.75rem + env(safe-area-inset-top)) calc(1rem + env(safe-area-inset-right)) .75rem calc(1rem + env(safe-area-inset-left));background:var(--brand);color:#fff;z-index:10;justify-content:space-between;align-items:center;display:flex;position:sticky;top:0}.brand{color:#fff;font-size:1.1rem;font-weight:700;text-decoration:none}.topbar nav{align-items:center;gap:1rem;display:flex}.topbar nav a{color:#dce6f5;font-size:.9rem;text-decoration:none}.linkbtn{color:#dce6f5;font:inherit;cursor:pointer;background:0 0;border:none;padding:0;font-size:.9rem}.content{max-width:680px;padding:1rem calc(1rem + env(safe-area-inset-right)) calc(1rem + env(safe-area-inset-bottom)) calc(1rem + env(safe-area-inset-left));margin:0 auto}.page{padding:env(safe-area-inset-top) calc(1rem + env(safe-area-inset-right)) calc(1rem + env(safe-area-inset-bottom)) calc(1rem + env(safe-area-inset-left))}.stack{flex-direction:column;gap:1rem;display:flex}.card{background:var(--card);border:1px solid var(--border);border-radius:12px;padding:1.25rem}.center{text-align:center}.card.center{max-width:380px;margin:3rem auto}h1{margin:.25rem 0;font-size:1.4rem}h2{margin:.5rem 0;font-size:1.1rem}.muted{color:var(--muted)}.error{color:var(--error)}.success{color:var(--success)}input{border:1px solid var(--border);width:100%;font:inherit;border-radius:8px;margin-top:.3rem;padding:.7rem .8rem}label{color:var(--muted);font-size:.9rem;display:block}.btn{background:var(--accent);color:#fff;width:100%;font:inherit;cursor:pointer;border:none;border-radius:8px;padding:.8rem 1rem;font-weight:600;display:inline-block}.btn:disabled{opacity:.6;cursor:default}.btn.secondary{color:var(--ink);background:#e9edf3}.btn.kakao{background:var(--kakao);color:#3c1e1e}.btn.small{width:auto;padding:.4rem .8rem;font-size:.85rem}.divider{text-align:center;color:var(--muted);margin:1rem 0;font-size:.85rem}.list{flex-direction:column;gap:.5rem;margin:0;padding:0;list-style:none;display:flex}.list-item{background:var(--card);border:1px solid var(--border);color:var(--ink);border-radius:10px;align-items:center;gap:.75rem;padding:.9rem 1rem;text-decoration:none;display:flex}.list-title{flex:1;font-weight:600}.grow{flex:1;min-width:0}.badge{border-radius:999px;padding:.2rem .5rem;font-size:.75rem}.badge.published{color:var(--success);background:#e6f4ea}.back{color:var(--accent);font-size:.9rem;text-decoration:none}.viewer{border:1px solid var(--border);background:#fff;border-radius:10px;width:100%;height:75vh}img.viewer{object-fit:contain;height:auto}.notice{background:#fff7e6;border:1px solid #f0d28a;border-radius:10px;padding:1rem;font-size:.9rem}.notice em{font-style:normal;font-weight:600}.install-card{flex-direction:column;align-items:center;gap:.85rem;display:flex}.install-logo{border-radius:22px;width:96px;height:96px;box-shadow:0 2px 12px #0000001f}.install-steps{text-align:left;width:100%}.install-steps ol{margin:.5rem 0 0;padding-left:1.2rem}.install-steps li{margin:.4rem 0}.list-item.col{flex-direction:column;align-items:flex-start;gap:.25rem}.list-excerpt{-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:.85rem;display:-webkit-box;overflow:hidden}.post-content{word-break:break-word;line-height:1.7}.post-content img{border-radius:8px;max-width:100%;height:auto}.post-content p{margin:.75rem 0}.post-content h1,.post-content h2,.post-content h3{margin:1rem 0 .5rem}.post-content a{color:var(--accent)}.post-content iframe,.post-content video{max-width:100%}.post-source{margin-top:.5rem;display:inline-block}.ptr{position:relative}.ptr-spinner{background:var(--brand);color:#fff;justify-content:center;align-items:flex-end;padding-bottom:.4rem;font-size:1.6rem;display:flex;position:absolute;top:0;left:0;right:0;overflow:hidden}.ptr-spinner .spin{animation:.8s linear infinite ptr-spin}@keyframes ptr-spin{to{transform:rotate(360deg)}}