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var(--tw-saturate,) var(--tw-sepia,) var(--tw-drop-shadow,)}}:root{--ink:#15251f;--muted:#67766f;--paper:#f5f3ec;--card:#fffdf8;--green:#176b4b;--mint:#dcecdf;--line:#d9ddd5;--orange:#f49a52}*{box-sizing:border-box}html{scroll-behavior:smooth}body{background:var(--paper);color:var(--ink);margin:0;font-family:Pretendard,Noto Sans KR,Apple SD Gothic Neo,Arial,sans-serif}button,textarea{font:inherit}button{cursor:pointer}main{min-height:100vh;overflow:hidden}.topbar{-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#f5f3ecdb;border-bottom:1px solid #15251f1a;justify-content:space-between;align-items:center;height:76px;padding:0 max(24px,50vw - 580px);display:flex}.brand{color:var(--ink);letter-spacing:.12em;align-items:center;gap:11px;font-size:15px;text-decoration:none;display:flex}.brand b{color:var(--green)}.brand-mark{background:var(--green);color:#fff;border-radius:10px 10px 10px 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rise{0%{opacity:0;transform:translateY(18px)}}.level-badge{background:var(--mint);color:var(--green);border-radius:999px;padding:7px 12px;font-size:11px;font-weight:800}.summary{border-left:3px solid var(--orange);background:#faf6ee;margin:0 0 28px;padding:18px 20px;line-height:1.7}.solution-grid{grid-template-columns:1fr 1fr;gap:16px;margin-bottom:28px;display:grid}.solution-grid article{border:1px solid var(--line);border-radius:15px;padding:20px}.article-label{color:var(--green);letter-spacing:.08em;margin-bottom:12px;font-size:11px;font-weight:900;display:block}.solution-grid ul{color:#47554f;margin:0;padding-left:18px;font-size:14px;line-height:1.8}.solution-grid p{margin:0 0 10px;font-size:14px;line-height:1.7}.solution-grid small{color:var(--muted)}.steps{border-top:1px solid var(--line);padding-top:26px}.solution-step{grid-template-columns:38px 1fr;gap:14px;padding:14px 0;display:grid}.solution-step>span{width:31px;height:31px;color:var(--green);background:var(--mint);border-radius:9px;place-items:center;font-size:12px;font-weight:900;display:grid}.solution-step h3{margin:2px 0 7px;font-size:15px}.solution-step p{color:#536159;margin:0;font-size:14px;line-height:1.7}.solution-step code{color:#173d2e;background:#f0f2ed;border-radius:8px;margin-top:9px;padding:8px 11px;font-size:15px;display:inline-block}.verification{color:#27513f;background:#edf6ef;border-radius:14px;gap:12px;margin-top:23px;padding:17px;display:flex}.verification>span{background:var(--green);color:#fff;border-radius:50%;flex:none;place-items:center;width:25px;height:25px;font-size:11px;display:grid}.verification b{font-size:13px}.verification p{margin:4px 0 0;font-size:13px;line-height:1.6}.final-answer{background:var(--green);color:#fff;border-radius:15px;justify-content:space-between;align-items:center;gap:20px;margin-top:16px;padding:22px;display:flex}.final-answer span{opacity:.75;letter-spacing:.1em;font-size:12px}.final-answer strong{text-align:right;font-family:Georgia,Noto Serif KR,serif;font-size:25px}footer{border-top:1px solid var(--line);width:min(1160px,100% - 40px);color:var(--muted);justify-content:space-between;margin:0 auto;padding:25px 0 35px;font-size:11px;display:flex}footer span{color:var(--green);letter-spacing:.1em;font-weight:900}footer p{margin:0}@media (max-width:800px){.topbar{height:66px}.status{display:none}.top-actions{gap:0}.dashboard-link{padding:8px 10px;font-size:11px}.hero{padding:55px 20px 35px}.hero p{font-size:14px}.desktop{display:none}.workspace{grid-template-columns:1fr;width:min(100% - 24px,620px)}.problem-card,.guide-card{border-radius:19px;padding:23px}.controls{flex-direction:column;align-items:stretch}.solve-button{width:100%}.solution{width:calc(100% - 24px);padding:24px}.solution-grid{grid-template-columns:1fr}.final-answer{flex-direction:column;align-items:flex-start}.final-answer strong{text-align:left}footer{flex-direction:column;gap:8px;width:calc(100% - 24px);line-height:1.5}}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}