:root{--ink:#152d27;--muted:#71817a;--green:#143a32;--green2:#2b6252;--gold:#d7ac65;--line:#e5eae6;--paper:#f7f8f5;--white:#fff;--shadow:0 16px 45px rgba(22,44,35,.045);font-family:-apple-system,BlinkMacSystemFont,'Pretendard','Noto Sans KR',system-ui,sans-serif;font-size:15px;color:var(--ink);background:var(--paper);-webkit-font-smoothing:antialiased}
*{box-sizing:border-box}body{margin:0;min-width:320px}button,input,select,textarea{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid #a5c6b3;outline-offset:2px}a{color:var(--green2)}#shell{min-height:100vh;display:flex}.sidebar{width:252px;background:#123a30;color:#fff;display:flex;flex-direction:column;padding:32px 17px;flex:none;position:sticky;top:0;height:100vh}.brand{display:flex;align-items:center;gap:12px;margin:0 9px 76px}.brand-icon,.auth-logo{width:43px;height:43px;border-radius:13px;background:#f8f6ee;color:#183c32;font-family:Georgia,serif;font-weight:800;font-size:29px;display:flex;align-items:center;justify-content:center;letter-spacing:-3px}.brand-icon span,.auth-logo span{color:#bd8d48}.brand strong{display:block;font-size:18px;letter-spacing:-.045em}.brand 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@media(max-width:1000px){.sidebar{width:214px}.brand{margin-left:6px}.brand strong{font-size:16px}.brand small{font-size:7px}.page-head{align-items:start}}
@media(max-width:750px){.sidebar{display:none}.topbar{height:65px;padding:0 18px}.mobile-only{display:inline-flex;align-items:center;justify-content:center}.breadcrumbs{font-size:9px}.breadcrumbs span{padding:0 5px}.breadcrumbs b{font-size:12px}.sync-pill{font-size:9px;padding:7px}.avatar{display:none}.header-right{gap:5px}main{padding:28px 17px 90px}.foot{display:none}.bottom-nav{position:fixed;bottom:0;left:0;right:0;height:calc(65px + env(safe-area-inset-bottom));background:#fff;box-shadow:0 -3px 14px #23463716;display:grid;grid-template-columns:repeat(4,1fr);z-index:20;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav button{border:0;background:transparent;color:#86988c;font-size:10px;font-weight:700;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:4px}.bottom-nav button span{font-size:21px;line-height:24px}.bottom-nav button.active{color:#1d5140}.page-head{flex-wrap:wrap;gap:14px;margin-bottom:25px}.page-head .btn{margin-left:auto}.home-hero{min-height:215px;padding:29px}.home-hero h1{font-size:28px}.hero-ornament{display:none}.stats{gap:9px;margin-bottom:24px}.stat{padding:18px 15px}.stat-value{font-size:29px}.stat-label{font-size:10px}.cards-grid,.grid2{grid-template-columns:1fr}.section-head h2{font-size:17px}.learning-card{padding:20px}.search-box{max-width:none;min-width:0;flex-basis:100%}.toolbar{gap:9px}.panel{padding:22px}.detail-expression{font-size:29px}.detail-actions{margin-top:12px}}
@media(max-width:400px){.stats{grid-template-columns:repeat(3,minmax(0,1fr))}.stat-value{font-size:25px}.stat{padding:17px 10px}.stat-label{font-size:10px}.sync-pill{max-width:90px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.home-hero h1{font-size:25px}}