:root{--sf-green-deep:#1e3f20;--sf-green-mid:#264a28;--sf-green-bright:#2e5731;--sf-brown:#8c6239;--sf-cream:#faf7f2;--sf-bg:#faf7f2;--sf-accent:#2e5731;--sf-accent-hover:#1e3f20;--sf-brand:#1e3f20;--sf-on-accent:#faf7f2;--sf-text-primary:#1e3f20;--sf-text-sec:rgba(30,63,32,0.66);--sf-text-muted:rgba(30,63,32,0.45);--sf-border:rgba(30,63,32,0.14);--sf-surface:rgba(30,63,32,0.035);--sf-danger:#8f1d18;--sf-on-danger:#ffffff;--sf-font-ui:"Pretendard Variable",Pretendard,Inter,-apple-system,BlinkMacSystemFont,"Apple SD Gothic Neo","Noto Sans KR",sans-serif;--sf-font-brand:Georgia,"Times New Roman",serif;--sf-apple-bg:#000000;--sf-apple-fg:#ffffff}@media (prefers-color-scheme:dark){:root{--sf-bg:#0d120e;--sf-accent:#4a8a52;--sf-accent-hover:#5fa468;--sf-brand:#f4efe6;--sf-on-accent:#0d120e;--sf-text-primary:#f4efe6;--sf-text-sec:rgba(244,239,230,0.66);--sf-text-muted:rgba(244,239,230,0.42);--sf-border:rgba(244,239,230,0.12);--sf-surface:rgba(244,239,230,0.04);--sf-danger:#ffb4ab;--sf-on-danger:#3a0907;--sf-apple-bg:#ffffff;--sf-apple-fg:#000000}}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--sf-bg);color:var(--sf-text-primary);font-family:var(--sf-font-ui);-webkit-font-smoothing:antialiased;word-break:keep-all}:root{--sf-radius-sm:12px;--sf-radius-md:16px;--sf-radius-lg:22px;--sf-radius-pill:999px;--sf-surface-raised:#ffffff;--sf-paper:rgba(255,253,248,0.66);--sf-shadow-sm:0 1px 2px rgba(30,63,32,0.06),0 4px 16px rgba(30,63,32,0.05);--sf-shadow-md:0 10px 34px rgba(30,63,32,0.12);--sf-shadow-soft:0 16px 44px rgba(30,63,32,0.08);--sf-bottomnav-h:60px}@media (prefers-color-scheme:dark){:root{--sf-surface-raised:#141a15;--sf-paper:rgba(23,37,26,0.66);--sf-shadow-sm:0 1px 2px rgba(0,0,0,0.3),0 4px 16px rgba(0,0,0,0.24);--sf-shadow-md:0 10px 34px rgba(0,0,0,0.4);--sf-shadow-soft:0 16px 44px rgba(0,0,0,0.32)}}:root[data-theme=dark]{--sf-bg:#0d120e;--sf-accent:#4a8a52;--sf-accent-hover:#5fa468;--sf-brand:#f4efe6;--sf-on-accent:#0d120e;--sf-text-primary:#f4efe6;--sf-text-sec:rgba(244,239,230,0.66);--sf-text-muted:rgba(244,239,230,0.42);--sf-border:rgba(244,239,230,0.12);--sf-surface:rgba(244,239,230,0.04);--sf-danger:#ffb4ab;--sf-on-danger:#3a0907;--sf-apple-bg:#ffffff;--sf-apple-fg:#000000;--sf-surface-raised:#141a15;--sf-paper:rgba(23,37,26,0.66);--sf-shadow-sm:0 1px 2px rgba(0,0,0,0.3),0 4px 16px rgba(0,0,0,0.24);--sf-shadow-md:0 10px 34px rgba(0,0,0,0.4);--sf-shadow-soft:0 16px 44px rgba(0,0,0,0.32)}:root[data-theme=light]{--sf-bg:#faf7f2;--sf-accent:#2e5731;--sf-accent-hover:#1e3f20;--sf-brand:#1e3f20;--sf-on-accent:#faf7f2;--sf-text-primary:#1e3f20;--sf-text-sec:rgba(30,63,32,0.66);--sf-text-muted:rgba(30,63,32,0.45);--sf-border:rgba(30,63,32,0.14);--sf-surface:rgba(30,63,32,0.035);--sf-danger:#8f1d18;--sf-on-danger:#ffffff;--sf-apple-bg:#000000;--sf-apple-fg:#ffffff;--sf-surface-raised:#ffffff;--sf-paper:rgba(255,253,248,0.66);--sf-shadow-sm:0 1px 2px rgba(30,63,32,0.06),0 4px 16px rgba(30,63,32,0.05);--sf-shadow-md:0 10px 34px rgba(30,63,32,0.12);--sf-shadow-soft:0 16px 44px rgba(30,63,32,0.08)}.sf-app{min-height:100svh;display:flex;flex-direction:column;background:radial-gradient(circle at 50% 78%,rgba(46,87,49,.06) 0,transparent 50%),radial-gradient(circle at 22% 26%,rgba(20,25,40,.06) 0,transparent 58%),var(--sf-bg)}.sf-app-topbar{position:-webkit-sticky;position:sticky;top:0;z-index:20;flex:0 0 auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:14px 20px;background:color-mix(in srgb,var(--sf-bg) 82%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}.sf-app-topbar-logo{display:block;line-height:0}.sf-app-topbar-right{display:flex;align-items:center;gap:8px}.sf-app-credit-pill{display:inline-flex;align-items:center;gap:5px;padding:6px 12px;border-radius:var(--sf-radius-pill);border:1px solid var(--sf-border);background:var(--sf-surface-raised);color:var(--sf-text-primary);font-size:.78rem;font-weight:700;font-family:inherit;white-space:nowrap;cursor:pointer}.sf-app-credit-pill .sf-spark{color:var(--sf-brown)}.sf-app-account-btn{display:inline-grid;place-items:center;flex:0 0 auto;width:32px;height:32px;border-radius:50%;border:none;background:color-mix(in srgb,var(--sf-green-deep) 16%,transparent);color:var(--sf-green-deep);cursor:pointer}@media (prefers-color-scheme:dark){.sf-app-account-btn{background:color-mix(in srgb,var(--sf-brand) 16%,transparent);color:var(--sf-brand)}}.sf-app-main{min-height:0}.sf-app-content,.sf-app-main{flex:1 1;display:flex;flex-direction:column}.sf-app-content{width:100%;max-width:720px;margin:0 auto;padding:4px 16px calc(var(--sf-bottomnav-h) + 32px + env(safe-area-inset-bottom));gap:20px}.sf-story-list{display:flex;flex-direction:column;gap:8px}.sf-story-card-btn{all:unset;display:flex;align-items:center;gap:12px;flex:1 1 auto;min-width:0;cursor:pointer;border-radius:10px}.sf-story-card-btn:focus-visible{outline:none;box-shadow:0 0 0 2px var(--sf-accent)}.sf-app-bottomnav{position:fixed;left:0;right:0;bottom:0;z-index:30;display:flex;height:var(--sf-bottomnav-h);border-top:1px solid var(--sf-border);background:color-mix(in srgb,var(--sf-bg) 92%,transparent);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);padding-bottom:env(safe-area-inset-bottom)}.sf-app-navtab{flex:1 1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;border:none;background:none;color:var(--sf-text-muted);font-size:.68rem;font-weight:700;cursor:pointer;transition:color .15s ease}.sf-app-navtab svg{stroke:currentColor;transition:stroke .15s ease}.sf-app-navtab.is-active{color:var(--sf-accent)}.sf-app-suspended{min-height:100dvh;display:flex;align-items:center;justify-content:center;padding:24px;background:var(--sf-bg)}.sf-app-suspended-card{width:100%;max-width:360px;text-align:center;padding:28px 22px;border-radius:var(--sf-radius-lg);background:var(--sf-surface-raised);box-shadow:var(--sf-shadow-md)}.sf-app-suspended-title{margin:0 0 10px;font-size:1.05rem;font-weight:700;color:var(--sf-text-primary)}.sf-app-suspended-body{margin:0 0 20px;font-size:.84rem;line-height:1.6;color:var(--sf-text-muted)}.sf-app-suspended-cta{width:100%;min-height:46px;font-size:.86rem;font-weight:700;color:var(--sf-on-accent);background:var(--sf-accent);border:none;border-radius:999px;padding:12px;cursor:pointer}@media (min-width:900px){.sf-app-content{padding-top:16px}}@keyframes sf-rect-grow{0%{opacity:0;transform:translateY(6px) scaleX(.6)}to{opacity:1;transform:translateY(0) scaleX(1)}}.sf-rect-grow{opacity:0;transform-box:fill-box;transform-origin:center;animation:sf-rect-grow .4s cubic-bezier(.22,.61,.36,1) forwards;animation-delay:var(--sf-delay,0s)}@keyframes sf-wordmark-in{0%{opacity:0;letter-spacing:.3em;transform:translateY(4px)}to{opacity:1;letter-spacing:.08em;transform:translateY(0)}}.sf-wordmark-in{opacity:0;animation:sf-wordmark-in .5s ease-out forwards;animation-delay:var(--sf-delay,0s)}@keyframes sf-fade-in{0%{opacity:0}to{opacity:1}}.sf-fade-in{opacity:0;animation:sf-fade-in .4s ease-out forwards;animation-delay:var(--sf-delay,0s)}@keyframes sf-rise-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.sf-rise-in{opacity:0;animation:sf-rise-in .32s ease-out forwards;animation-delay:var(--sf-delay,0s)}.sf-splash-exit{opacity:0;transform:translateY(-14px);transition:opacity .4s ease-out,transform .4s ease-out;pointer-events:none}@keyframes sf-shake{0%,to{transform:translateX(0)}16%{transform:translateX(-6px)}33%{transform:translateX(6px)}50%{transform:translateX(-6px)}66%{transform:translateX(6px)}83%{transform:translateX(-6px)}}.sf-shake-error{animation:sf-shake .3s ease}@keyframes sf-pulse{0%,to{opacity:.55;transform:scale(.96)}50%{opacity:1;transform:scale(1.04)}}.sf-pulse{animation:sf-pulse 1.4s ease-in-out infinite}@keyframes sf-badge-pulse{0%,to{opacity:1}50%{opacity:.55}}.sf-badge-pulse{animation:sf-badge-pulse 1.6s ease-in-out infinite}@media (prefers-reduced-motion:reduce){.sf-fade-in,.sf-rect-grow,.sf-rise-in,.sf-wordmark-in{animation-duration:.2s!important;animation-delay:0s!important;transform:none!important}.sf-shake-error{animation:none!important}.sf-splash-exit{transition-duration:.2s!important;transform:none!important}.sf-badge-pulse,.sf-pulse{animation:none!important;opacity:1!important;transform:none!important}}:root{--sf-reader-bg:#080807;--sf-reader-text:#fffdf8;--sf-reader-paper:#fffaf0;--sf-reader-paper-deep:#f4ecd9;--sf-reader-paper-text:#17120b;--sf-reader-paper-muted:rgba(23,18,11,0.55);--sf-reader-glass:rgba(8,7,6,0.82)}[data-reader-theme=dark]{--sf-reader-paper:#221e17;--sf-reader-paper-deep:#1a1712;--sf-reader-paper-text:#f3ecdb;--sf-reader-paper-muted:rgba(243,236,219,0.6)}.sf-shelf{min-height:100svh;display:flex;flex-direction:column;background:var(--sf-bg)}.sf-shelf-topbar{display:flex;align-items:center;gap:12px;padding:calc(16px + env(safe-area-inset-top)) 20px 8px}.sf-shelf-profile-btn{position:relative;width:40px;height:40px;border-radius:50%;border:none;background:color-mix(in srgb,var(--sf-accent) 14%,transparent);color:var(--sf-accent);font-weight:700;font-size:1rem;display:flex;align-items:center;justify-content:center;cursor:pointer;flex:0 0 auto}.sf-shelf-title{margin:0;font-size:1.2rem;font-weight:700;color:var(--sf-text-primary)}.sf-shelf-content{flex:1 1;padding:8px 20px calc(40px + env(safe-area-inset-bottom));display:flex;flex-direction:column;gap:14px}.sf-shelf-hero{display:flex;min-height:180px;border:1px solid var(--sf-border);border-radius:var(--sf-radius-lg);overflow:hidden;background:var(--sf-surface-raised);cursor:pointer;text-align:left;padding:0;box-shadow:var(--sf-shadow-sm);font:inherit;color:inherit}.sf-shelf-hero-cover{flex:0 0 38%;background-color:color-mix(in srgb,var(--sf-accent) 12%,transparent);background-size:cover;background-position:50%;display:flex;align-items:center;justify-content:center;font-size:2.6rem}.sf-shelf-hero-body{flex:1 1;display:flex;flex-direction:column;justify-content:center;gap:6px;padding:16px;min-width:0}.sf-shelf-hero-label{font-size:.68rem;font-weight:700;color:var(--sf-brown);letter-spacing:.06em}.sf-shelf-hero-title{font-size:1.02rem;font-weight:700;color:var(--sf-text-primary);line-height:1.35;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.sf-shelf-hero-sub{font-size:.74rem;color:var(--sf-text-muted);font-weight:500}.sf-shelf-hero-cta{margin-top:4px;display:inline-flex;align-items:center;gap:6px;align-self:flex-start;padding:10px 16px;border-radius:var(--sf-radius-pill);background:var(--sf-accent);color:var(--sf-on-accent);font-weight:700;font-size:.84rem}.sf-shelf-section-label{margin:6px 0 0;font-size:.82rem;font-weight:700;color:var(--sf-text-primary)}.sf-shelf-grid{display:grid;grid-template-columns:repeat(2,1fr);grid-gap:16px 14px;gap:16px 14px}.sf-shelf-book{background:none;border:none;padding:0;cursor:pointer;text-align:left;font:inherit;color:inherit}.sf-shelf-book-cover{width:100%;aspect-ratio:3/4;border-radius:var(--sf-radius-md);border:1px solid var(--sf-border);display:flex;align-items:center;justify-content:center;font-size:2.1rem;background:color-mix(in srgb,var(--sf-accent) 8%,var(--sf-cream))}.sf-shelf-book-title{display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;font-size:.78rem;font-weight:600;color:var(--sf-text-primary);line-height:1.4;margin-top:8px}.sf-reader{position:fixed;inset:0;z-index:40;background:var(--sf-reader-bg);color:var(--sf-reader-text);overflow:hidden}.sf-reader-dim{position:absolute;inset:0;z-index:3;background:rgba(0,0,0,var(--sf-reader-dim,.3));pointer-events:none;transition:background .2s ease}.sf-reader-top{position:absolute;inset:calc(14px + env(safe-area-inset-top)) calc(16px + env(safe-area-inset-right)) auto calc(16px + env(safe-area-inset-left));z-index:5;gap:10px}.sf-reader-home,.sf-reader-top{display:flex;align-items:center}.sf-reader-home{width:42px;height:42px;border-radius:50%;justify-content:center;background:var(--sf-reader-glass);color:var(--sf-reader-text);flex:0 0 auto;text-decoration:none}.sf-reader-track{position:relative;flex:1 1;height:4px;border-radius:999px;background:rgba(255,255,255,.22);cursor:pointer;touch-action:none}.sf-reader-track-fill{height:100%;border-radius:inherit;background:#5fa468;pointer-events:none}.sf-reader-controls{position:relative;display:flex;align-items:center;gap:6px;flex:0 0 auto}.sf-reader-ctrl-btn{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;background:var(--sf-reader-glass);color:var(--sf-reader-text);cursor:pointer;border:none}.sf-reader-ctrl-btn.is-active{background:rgba(255,255,255,.22)}.sf-reader-ctrl-btn:disabled{opacity:.4;cursor:default}.sf-reader-panel{position:absolute;top:calc(100% + 8px);right:0;z-index:6;display:flex;align-items:center;gap:10px;width:180px;padding:10px 14px;border-radius:14px;background:var(--sf-reader-glass)}.sf-reader-stage{position:absolute;inset:0}.sf-reader-flip,.sf-reader-static{width:100%;height:100%}.sf-reader-static{position:relative;display:flex}.sf-reader-navhit{position:absolute;top:0;bottom:0;width:33%;z-index:2;background:none;border:none;padding:0;cursor:pointer}.sf-reader-navhit.is-prev{left:0}.sf-reader-navhit.is-next{right:0}.sf-reader-navhit:focus-visible{outline:none;box-shadow:inset 0 0 0 3px rgba(95,164,104,.62)}.sf-reader-track:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(95,164,104,.62)}.sf-reader-single{width:100%;height:100%;position:relative;touch-action:pan-y}.sf-reader-page{position:relative;width:50%;height:100%;overflow:hidden;background:linear-gradient(180deg,var(--sf-reader-paper),var(--sf-reader-paper-deep))}.sf-reader-single .sf-reader-page{width:100%}.sf-reader-page-inner{display:flex;flex-direction:column;width:100%;height:100%}.sf-reader-single .sf-reader-page-inner{flex-direction:row}.sf-reader-page-art{position:relative;flex:0 1 auto;width:100%;aspect-ratio:1;min-height:0;max-height:calc(100% - 96px);overflow:hidden;background:var(--sf-reader-paper-deep)}.sf-reader-single .sf-reader-page-art{flex:0 0 auto;width:clamp(100svh,55vw,62vw);height:100%;aspect-ratio:auto;max-height:none}.sf-reader-page-art img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;pointer-events:none;-webkit-user-select:none;-moz-user-select:none;user-select:none}.sf-reader-page-art.is-art-missing:after{content:"";position:absolute;inset:0;background:url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M12 2.6 6.4 10h3L5 16.4h5.6V21h2.8v-4.6H19L14.6 10h3L12 2.6Z" fill="%232e5731" fill-opacity="0.22"/></svg>') 50% /56px no-repeat}.sf-reader-page-textbox{position:relative;z-index:2;flex:1 1;min-height:0;display:flex;flex-direction:column;justify-content:center;gap:6px;padding:12px 24px calc(16px + env(safe-area-inset-bottom));text-align:center;overflow:hidden}.sf-reader-single .sf-reader-page-textbox{align-items:center;padding:16px 28px}.sf-reader-page-text{margin:0;color:var(--sf-reader-paper-text);font-family:var(--sf-font-ui);font-size:clamp(.92rem,1.4vw,1.22rem);line-height:1.58;white-space:pre-line}.sf-reader-page-question{margin:6px 0 0;padding-top:9px;border-top:1px solid rgba(0,0,0,.12);color:var(--sf-reader-paper-muted);font-size:clamp(.7rem,.96vw,.84rem);font-weight:650;white-space:pre-line}.sf-reader-page.is-end .sf-reader-page-textbox{flex:1 1;justify-content:center}.sf-reader-turnhint{position:absolute;top:50%;right:calc(70px + env(safe-area-inset-right));z-index:4;transform:translateY(-50%);padding:10px 14px;border-radius:999px;background:var(--sf-reader-glass);color:var(--sf-reader-text);font-size:.8rem;font-weight:700;pointer-events:none}.sf-reader-orientation-lock{display:none;position:fixed;inset:0;z-index:50;background:var(--sf-reader-bg);color:var(--sf-reader-text);align-items:center;justify-content:center;text-align:center;padding:32px}@media (max-width:920px) and (orientation:portrait){.sf-reader-orientation-lock{display:flex}}.sf-reader-end{position:absolute;inset:0;z-index:9;display:grid;place-items:center;padding:24px;background:rgba(10,9,7,.5);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}.sf-reader-end-card{display:grid;justify-items:center;grid-gap:10px;gap:10px;width:min(400px,calc(100vw - 48px));padding:32px 28px;border-radius:22px;background:linear-gradient(180deg,#fffdf6,#f6efdd);color:#17120b;text-align:center}.sf-reader-end-btn{padding:12px 22px;border-radius:999px;border:none;font-weight:700;font-size:.88rem;cursor:pointer}.sf-reader-end-btn.is-primary{background:var(--sf-green-bright);color:#fff}.sf-reader-end-btn.is-ghost{background:none;color:#17120b;text-decoration:underline}@media (prefers-reduced-motion:reduce){.sf-reader-single .sf-reader-page{transition:none!important}}.sf-style-grid{display:grid;grid-template-columns:1fr 1fr;grid-gap:8px;gap:8px}@media (min-width:700px){.sf-style-grid{grid-template-columns:repeat(4,1fr)}}