.exr{--ink-1:#0c1421;--ink-2:#2c3e50;--ink-3:#4a5568;--ink-4:#76839a;--ink-5:#9aa6b6;--paper:#f4f2ec;--paper-2:#ece9e1;--surface:#fff;--line:#0c142117;--line-2:#0c14210f;--sig:#14b97c;--sig-bright:#5fe6ad;--sig-deep:#0c5d3f;--sig-tint:#14b97c1f;--sig-tint-2:#5fe6ad33;--cyan:#2fb6d4;--amber:#d99a26;--amber-tint:#f7ead0;--rose:#d96363;--rose-tint:#f8dede;--ink-0:#070d18;--d-panel:#0f1b30;--d-border:#d8e8df21;--d-text:#eaf0ee;--d-dim:#93a6b4;--sans:"Noto Sans KR", system-ui, sans-serif;--serif:"Noto Serif KR", Georgia, "Times New Roman", serif;--mono:"IBM Plex Mono", monospace;--r-sm:8px;--r:12px;--r-lg:16px;--r-xl:22px;--sh-1:0 1px 2px #0c14210f, 0 1px 3px #0c14210d;--sh-2:0 8px 24px #0c142114;--sh-3:0 18px 50px #0c14211f;--sh-sig:0 8px 24px #14b97c47;font-family:var(--sans);color:var(--ink-1);background:var(--paper);letter-spacing:-.006em;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;line-height:1.55}.exr ::selection{background:var(--sig-tint-2);color:var(--ink-1)}.exr a{color:inherit;text-decoration:none}.exr button{font-family:inherit}.exr .display{letter-spacing:-.03em;font-weight:800;line-height:1.02}.exr .mono{font-family:var(--mono)}.exr .eyebrow{font-family:var(--mono);letter-spacing:.18em;text-transform:uppercase;color:var(--ink-4);white-space:nowrap;font-size:11px}.exr .flabel{font-family:var(--mono);letter-spacing:.16em;text-transform:uppercase;color:var(--ink-4);white-space:nowrap;font-size:10px}.exr .tag{font-family:var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--sig-deep);background:var(--sig-tint-2);white-space:nowrap;border:1px solid #2d6a4f47;border-radius:100px;align-items:center;gap:7px;padding:5px 11px;font-size:11px;display:inline-flex}.exr .tag .dot{background:var(--sig);border-radius:50%;width:7px;height:7px;animation:2.4s ease-in-out infinite exr-pulse;box-shadow:0 0 0 3px #5fe6ad59}@keyframes exr-pulse{0%,to{box-shadow:0 0 0 3px #5fe6ad59}50%{box-shadow:0 0 0 6px #5fe6ad00}}.exr .btn{letter-spacing:-.01em;cursor:pointer;border-radius:var(--r);white-space:nowrap;border:0;justify-content:center;align-items:center;gap:8px;padding:13px 22px;font-size:14px;font-weight:700;transition:transform .14s,box-shadow .16s,background .16s;display:inline-flex}.exr .btn:active{transform:translateY(1px)}.exr .btn:after{content:none}.exr .btn-fill{background:var(--sig);color:#052b1d;box-shadow:var(--sh-sig)}.exr .btn-fill:hover{background:#12a96f;transform:translateY(-1px);box-shadow:0 10px 30px #14b97c5c}.exr .btn-ink{background:var(--ink-1);color:var(--sig-bright);box-shadow:var(--sh-2)}.exr .btn-ink:hover{box-shadow:var(--sh-3);transform:translateY(-1px)}.exr .btn-line{color:var(--ink-1);background:0 0;box-shadow:inset 0 0 0 1.5px #0c142133}.exr .btn-line:hover{box-shadow:inset 0 0 0 1.5px var(--ink-1)}.exr .btn-ghost{color:var(--ink-2);box-shadow:inset 0 0 0 1px var(--line);background:0 0}.exr .btn-ghost:hover{background:#fff;box-shadow:inset 0 0 0 1px #0c142133}.exr .btn-sm{border-radius:var(--r-sm);padding:9px 15px;font-size:12.5px}.exr .btn-lg{padding:15px 26px;font-size:15px}.exr .btn:disabled{opacity:.5;cursor:not-allowed}.exr .chip{font-family:var(--mono);letter-spacing:.06em;text-transform:uppercase;border:1px solid var(--line);color:var(--ink-3);background:var(--paper);white-space:nowrap;border-radius:100px;align-items:center;gap:5px;padding:4px 10px;font-size:10px;display:inline-flex}.exr .chip.sig{background:var(--sig-tint-2);color:var(--sig-deep);border-color:#2d6a4f4d}.exr .chip.amber{background:var(--amber-tint);color:#976a0d;border-color:#e3cf9d}.exr .chip.rose{background:var(--rose-tint);color:#b34a4a;border-color:#e4b4b4}.exr .track{background:#0c142117;border-radius:4px;height:6px;overflow:hidden}.exr .track>i{background:linear-gradient(90deg, var(--cyan), var(--sig));border-radius:4px;height:100%;transition:width .5s cubic-bezier(.3,.7,.3,1);display:block}.exr .range{cursor:pointer;background:#0c142117;border-radius:6px;height:8px;position:relative}.exr .range>.fill{background:linear-gradient(90deg, var(--cyan), var(--sig));border-radius:6px;height:100%;position:absolute;top:0;left:0}.exr .range>.knob{border:2px solid var(--sig);background:#fff;border-radius:50%;width:18px;height:18px;position:absolute;top:50%;transform:translate(-50%,-50%);box-shadow:0 2px 6px #0c142133}.exr .panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg)}.exr .panel-2{background:var(--paper);border:1px solid var(--line-2);border-radius:var(--r)}.exr .card{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .16s,box-shadow .16s}.exr .card.hover:hover{box-shadow:var(--sh-2);transform:translateY(-3px)}.exr .passage{font-family:var(--serif);color:var(--ink-1);letter-spacing:0;font-size:16.5px;line-height:1.85}.exr .passage .blank{border-bottom:2px solid var(--ink-3);text-align:center;min-width:92px;color:var(--ink-4);display:inline-block}.exr .btn:focus-visible,.exr .field:focus-visible{outline:2px solid var(--sig);outline-offset:2px}.exr .field{background:var(--surface);border-radius:var(--r);width:100%;color:var(--ink-1);font-size:14px;font-family:var(--sans);border:1px solid #0c142124;outline:none;padding:13px 14px;transition:border .14s,box-shadow .14s}.exr .field::placeholder{color:var(--ink-5)}.exr .field:focus{border-color:var(--sig);box-shadow:0 0 0 3px var(--sig-tint)}.exr .select{background:var(--surface);border-radius:var(--r);width:100%;color:var(--ink-1);font-size:14px;font-family:var(--sans);cursor:pointer;appearance:none;border:1px solid #0c142124;outline:none;justify-content:space-between;align-items:center;padding:13px 14px;transition:border .14s,box-shadow .14s;display:flex}.exr .select:focus{border-color:var(--sig);box-shadow:0 0 0 3px var(--sig-tint)}.exr .hero-grid{grid-template-columns:1.15fr 1fr;align-items:center;gap:48px;display:grid}.exr .cards3{grid-template-columns:repeat(3,1fr);gap:20px;display:grid}.exr .cards2{grid-template-columns:1fr 1fr;gap:20px;display:grid}.exr .split2{grid-template-columns:1fr 1.1fr;align-items:stretch;gap:26px;display:grid}.exr .docs-grid{grid-template-columns:280px 1fr;align-items:start;gap:30px;display:grid}.exr .auth-grid{grid-template-columns:1fr 1fr;min-height:100vh;display:grid}.exr .tool-grid{grid-template-columns:350px minmax(0,1fr);min-height:100%;display:grid}.exr .f1-grid{grid-template-columns:minmax(0,1fr) 340px;gap:22px;min-height:100%;padding:26px;display:grid}.exr .result-grid{grid-template-columns:minmax(0,1fr) 372px;min-height:100%;display:grid}.exr .scroll{overflow-y:auto}.exr .scroll::-webkit-scrollbar{width:10px}.exr .scroll::-webkit-scrollbar-thumb{border:3px solid var(--paper);background:#0c142124;border-radius:6px}.exr .seg{background:var(--paper-2);border-radius:var(--r);gap:2px;padding:3px;display:inline-flex}.exr .seg>button{font-family:var(--mono);letter-spacing:.04em;border-radius:var(--r-sm);color:var(--ink-3);cursor:pointer;white-space:nowrap;background:0 0;border:0;padding:8px 14px;font-size:11.5px;transition:all .14s}.exr .seg>button.on{background:var(--surface);color:var(--ink-1);box-shadow:var(--sh-1);font-weight:600}.exr .tchip{font-family:var(--mono);letter-spacing:.04em;border:1px solid var(--line);color:var(--ink-3);background:var(--surface);cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap;border-radius:100px;padding:7px 13px;font-size:11px;transition:all .14s}.exr .tchip:hover{border-color:#0c142140}.exr .tchip.on{background:var(--sig-tint-2);color:var(--sig-deep);border-color:#2d6a4f59;font-weight:600}.exr .tchip:disabled{opacity:.5;cursor:not-allowed}.exr .qstem{color:var(--ink-1);font-size:15.5px;font-weight:600}.exr .opt{border-radius:var(--r);font-family:var(--serif);border:1px solid #0000;align-items:flex-start;gap:12px;padding:13px 15px;font-size:15.5px;transition:background .14s,border .14s;display:flex}.exr .opt .num{font-family:var(--mono);color:var(--ink-4);flex-shrink:0;width:18px;font-size:13px}.exr .opt.correct{background:var(--sig-tint);border-color:#2d6a4f4d}.exr .opt.correct .num{color:var(--sig-deep);font-weight:700}.exr .opt.wrong{background:var(--rose-tint);border-color:#e4b4b4}.exr .app{background:var(--paper);height:100%;display:flex}.exr .rail{background:var(--surface);border-right:1px solid var(--line);flex-direction:column;flex-shrink:0;width:232px;padding:18px 14px;display:flex}.exr .rail .brand{align-items:center;gap:9px;padding:6px 10px 20px;display:flex}.exr .rail .brand b{letter-spacing:-.02em;font-size:19px;font-weight:800}.exr .rail .nav{flex-direction:column;flex:1;gap:2px;display:flex}.exr .railitem{color:var(--ink-3);cursor:pointer;border-radius:10px;align-items:center;gap:12px;padding:11px 13px;font-size:13.5px;font-weight:600;transition:background .14s,color .14s;display:flex}.exr .railitem:hover{background:var(--paper)}.exr .railitem.active{background:var(--sig-tint);color:var(--sig-deep)}.exr .railitem .ic{text-align:center;opacity:.9;width:18px;font-size:15px}.exr .railitem.disabled{opacity:.4;cursor:default}.exr .railitem.disabled:hover{background:0 0}.exr .topbar{background:var(--surface);border-bottom:1px solid var(--line);flex-shrink:0;justify-content:space-between;align-items:center;height:60px;padding:0 26px;display:flex}.exr .crumb{font-family:var(--mono);color:var(--ink-3);letter-spacing:.02em;white-space:nowrap;font-size:12px}.exr .avatar{background:var(--sig-tint-2);width:30px;height:30px;color:var(--sig-deep);font-size:12px;font-family:var(--mono);border:1px solid #2d6a4f4d;border-radius:50%;justify-content:center;align-items:center;display:flex}@media (max-width:1100px){.exr .tool-grid,.exr .f1-grid,.exr .result-grid{grid-template-columns:1fr}.exr .tool-grid>div:first-child{border-right:0;border-bottom:1px solid var(--line)}.exr .result-grid>div:last-child{border-left:0;border-top:1px solid var(--line)}}@media (max-width:820px){.exr .rail{display:none}}@media (max-width:880px){.exr .hero-grid,.exr .cards3,.exr .cards2,.exr .split2,.exr .docs-grid,.exr .auth-grid{grid-template-columns:1fr}.exr .auth-grid>div:first-child{display:none!important}.exr .msection{padding:44px 22px}.exr .mnav{padding:12px 18px}}.exr .mnav{z-index:40;background:linear-gradient(var(--paper), #f4f2ec00);justify-content:space-between;align-items:center;padding:18px 48px;display:flex;position:sticky;top:0}.exr .mbrand{letter-spacing:-.02em;cursor:pointer;font-size:20px;font-weight:800}.exr .mnav-pill{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:#ffffffc7;border:1px solid #0c142114;border-radius:100px;align-items:center;gap:2px;padding:7px 8px 7px 14px;display:flex;box-shadow:0 6px 26px #0c142112}.exr .mnavlink{color:var(--ink-2);cursor:pointer;white-space:nowrap;border-radius:100px;padding:7px 14px;font-size:13.5px;font-weight:600;transition:background .14s,color .14s}.exr .mnavlink:hover{background:#0c14210d}.exr .mnavlink.on{color:var(--sig-deep);background:var(--sig-tint)}.exr .msection{padding:64px 48px}.exr .mwrap{max-width:1140px;margin:0 auto}.exr.dark,.exr .dark{background:var(--ink-0);color:var(--d-text)}.exr .grain-dark,.exr.grain-dark{background-image:radial-gradient(#5fe6ad0d 1px,#0000 1px);background-size:4px 4px}.exr .spin-ring{border:3px solid #5fe6ad2e;border-top-color:var(--sig-bright);border-radius:50%;animation:.9s linear infinite exr-spin}@keyframes exr-spin{to{transform:rotate(360deg)}}@keyframes exr-barGrow{0%{height:16%}to{height:92%}}@keyframes exr-blink{0%,to{opacity:1}50%{opacity:.25}}.exr .view-enter{animation:.35s cubic-bezier(.2,.7,.3,1) both exr-viewIn}@keyframes exr-viewIn{0%{transform:translateY(8px)}to{transform:none}}@media (max-width:720px){.exr .field,.exr .select{font-size:16px}}
