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Sans,sans-serif;font-size:43px}.goal-ring div>span{color:var(--lime);font-family:DM Sans,sans-serif;font-size:15px}.goal-ring small{color:#6d8994;font-size:9px;display:block}.formula{color:#c9f65342;font-family:DM Sans,sans-serif;font-size:14px;position:absolute}.formula-a{top:28%;left:10%;transform:rotate(-8deg)}.formula-b{top:20%;right:9%;transform:rotate(9deg)}.formula-c{bottom:18%;right:14%;transform:rotate(-5deg)}.stat-grid{grid-template-columns:repeat(3,1fr);gap:15px;margin-top:18px;display:grid}.dashboard-stat{border:1px solid var(--line);background:#0c1d2d;border-radius:16px;align-items:center;gap:14px;min-height:106px;padding:20px;display:flex;position:relative}.stat-icon{border-radius:12px;flex:none;place-items:center;width:44px;height:44px;display:grid}.stat-icon.lime{color:var(--lime);background:#c9f6531a}.stat-icon.blue{color:var(--blue);background:#65c7f21a}.stat-icon.violet{color:#a682ff;background:#a682ff1a}.dashboard-stat div{display:grid}.dashboard-stat div>span{color:#7d91a2;font-size:10px}.dashboard-stat strong{font-family:DM Sans,sans-serif;font-size:26px}.dashboard-stat strong small{color:#718798;margin-left:3px;font-family:Noto Sans KR,sans-serif;font-size:9px;font-weight:500}.stat-note{color:#657b8c;font-size:8px;position:absolute;bottom:17px;right:17px}.stat-note.positive{color:#809e78}.dashboard-grid{grid-template-columns:minmax(0,1.7fr) minmax(250px,.7fr);gap:18px;margin-top:18px;display:grid}.lesson-section,.weekly-card,.ai-coach-card{border:1px solid var(--line);background:#0c1d2d;border-radius:18px}.lesson-section{padding:26px}.panel-heading{justify-content:space-between;align-items:flex-end;gap:20px;margin-bottom:20px;display:flex}.panel-heading h2{margin:5px 0 0;font-size:19px}.panel-heading>button{color:#738a9c;background:0 0;border:0;align-items:center;gap:5px;padding:5px;font-size:10px;display:flex}.lesson-list{gap:8px;display:grid}.lesson-row{background:#ffffff06;border:1px solid #0000;border-radius:12px;grid-template-columns:38px minmax(150px,1fr) minmax(100px,.55fr) 94px;align-items:center;gap:13px;padding:12px;transition:border-color .18s,background .18s;display:grid}.lesson-row.active{background:#c9f6530b;border-color:#c9f65330}.lesson-step{color:#70899c;background:#13293a;border-radius:9px;place-items:center;width:34px;height:34px;font-family:DM Sans,sans-serif;font-size:10px;font-weight:700;display:grid}.lesson-row.active .lesson-step{color:var(--lime);background:#c9f6531f}.lesson-info h3{margin:0;font-size:12px}.lesson-info p{color:#647b8c;align-items:center;gap:5px;margin:4px 0 0;font-size:8px;display:flex}.lesson-info p>span{background:#4e6678;border-radius:50%;width:2px;height:2px;margin:0 2px}.lesson-progress{align-items:center;gap:7px;display:flex}.lesson-progress>div{background:#1a3141;border-radius:999px;flex:1;height:4px;overflow:hidden}.lesson-progress>div span{border-radius:inherit;background:var(--lime);height:100%;display:block}.lesson-progress small{color:#657c8d;width:25px;font-family:DM Sans,sans-serif;font-size:8px}.lesson-row>button{border:1px solid var(--line);color:#9db0bf;background:0 0;border-radius:8px;justify-content:center;align-items:center;gap:4px;height:32px;font-size:9px;font-weight:600;display:flex}.lesson-row.active>button{background:var(--lime);color:#142107;border-color:#0000}.dashboard-side{align-content:start;gap:18px;display:grid}.weekly-card{padding:23px}.panel-heading.compact{align-items:center;margin-bottom:16px}.panel-heading.compact h2{font-size:15px}.panel-heading.compact>strong{color:var(--lime);font-family:DM Sans,sans-serif;font-size:19px}.week-chart{grid-template-columns:repeat(6,1fr);align-items:end;gap:8px;height:108px;display:grid}.week-chart div{flex-direction:column;justify-content:flex-end;align-items:center;gap:7px;height:100%;display:flex}.week-chart div>span{background:#244050;border-radius:5px 5px 2px 2px;width:100%;max-width:15px;min-height:8px}.week-chart div>span.today{background:var(--lime);box-shadow:0 0 14px #c9f65333}.week-chart small{color:#61788a;white-space:nowrap;font-size:10px}.weekly-card>p{border-top:1px solid var(--line);color:#728899;align-items:center;gap:5px;margin:17px 0 0;padding-top:13px;font-size:9px;display:flex}.weekly-card>p svg{color:var(--lime)}.weekly-card>p strong{color:#a4b6c4}.ai-coach-card{background:linear-gradient(145deg,#65c7f21a,#0c1d2d 60%);padding:23px;position:relative;overflow:hidden}.ai-coach-card:after{content:"∑";color:#65c7f20d;font-family:DM Sans,sans-serif;font-size:130px;position:absolute;top:-30px;right:-6px}.coach-icon{z-index:1;width:38px;height:38px;color:var(--blue);background:#65c7f21f;border-radius:11px;place-items:center;margin-bottom:16px;display:grid;position:relative}.ai-coach-card .mini-label{color:var(--blue)}.ai-coach-card h3{margin:8px 0;font-size:16px;line-height:1.5}.ai-coach-card p{color:#6f8798;margin:0;font-size:9px;line-height:1.7}.ai-coach-card button{color:#b7d5e1;background:#193748;width:100%;min-height:38px;margin-top:17px}@media (width<=1100px){.dashboard{grid-template-columns:76px 1fr}.dashboard-sidebar{padding:28px 12px 20px}.dashboard-sidebar .brand{margin-left:7px}.dashboard-sidebar .brand>span:last-child,.sidebar-caption,.sidebar-item:not(.active){font-size:0}.sidebar-item{justify-content:center;padding:0}.sidebar-profile div,.sidebar-profile>button{display:none}.sidebar-profile{justify-content:center}.dashboard-content{width:min(100% - 44px,1260px)}.dashboard-grid{grid-template-columns:1fr}.dashboard-side{grid-template-columns:1fr 1fr}}@media (width<=760px){.dashboard{display:block}.dashboard-sidebar{display:none}.dashboard-topbar{min-height:72px;padding:14px 16px}.mobile-logo{display:block}.mobile-logo .brand>span:last-child,.dashboard-greeting{display:none}.streak-pill{padding:8px 10px}.dashboard-content{width:calc(100% - 32px);padding-top:20px}.dashboard-hero-card{grid-template-columns:1fr}.dashboard-hero-copy{text-align:center;padding:29px 25px 18px}.today-label{justify-content:center}.dashboard-hero-copy br{display:none}.goal-visual{min-height:185px}.stat-grid,.dashboard-side{grid-template-columns:1fr}.dashboard-stat{min-height:94px}.lesson-section{padding:20px 14px}.lesson-row{grid-template-columns:34px 1fr 85px}.lesson-progress{display:none}.lesson-info p{flex-wrap:wrap}}.session{background:var(--navy);min-height:100vh;padding:24px 16px 60px}.session-loading{color:var(--muted);text-align:center;padding-top:40vh}.session-topbar{justify-content:space-between;align-items:center;gap:12px;width:min(760px,100%);margin:0 auto 22px;display:flex}.session-back{border:1px solid var(--line);color:#9db0bf;background:0 0;border-radius:999px;align-items:center;gap:6px;height:38px;padding:0 14px;font-size:12px;font-weight:600;display:inline-flex}.session-back:hover{color:var(--white)}.session-unit{color:var(--blue);font-size:13px;font-weight:700}.session-count{color:var(--muted);font-family:DM Sans,sans-serif;font-size:12px}.session-body{width:min(760px,100%);margin:0 auto}.session-problem{margin-top:0}.problem-card>.session-question{color:var(--white);word-break:keep-all;margin:0 0 20px;font-size:19px;line-height:1.6}.session-choices{gap:9px;display:grid}.session-choice{color:#cbd7e1;text-align:left;background:#ffffff06;border:1px solid #ffffff14;border-radius:12px;width:100%;min-height:60px;padding:14px 18px;font-size:18px;transition:border-color .16s,background .16s;display:block}.session-choice:hover:not(:disabled){border-color:#c9f65359}.session-choice.selected{color:var(--lime);background:#c9f65314;border-color:#c9f65380}.session-choice.correct{color:var(--lime);background:#c9f6531f;border-color:#c9f65399}.session-choice.wrong{color:#ff8a8a;background:#ff6b6b14;border-color:#ff6b6b80}.session-choice:disabled{cursor:default}.session-choice .katex{font-size:1.25em}.session-question .katex{font-size:1.1em}.session-submit{width:100%;margin-top:18px}.session-feedback{margin-top:18px}.feedback-banner{border-radius:14px;padding:16px 18px}.feedback-banner.ok{background:#c9f6531a;border:1px solid #c9f6534d}.feedback-banner.ok p{color:var(--lime);margin:0;font-weight:600}.feedback-banner.no{background:#ff6b6b14;border:1px solid #ff6b6b4d}.feedback-banner.no p{color:#ff8a8a;margin:0;font-weight:600}.feedback-correct{color:#e9f3f5!important;margin-top:8px!important;font-weight:400!important}.feedback-explain{background:#65c7f214;border:1px solid #65c7f238;border-radius:14px;margin-top:12px;padding:16px 18px}.feedback-explain .mini-label{color:var(--blue)}.feedback-explain p{color:#dfe9f1;word-break:keep-all;margin:8px 0 0;line-height:1.7}.feedback-explain .katex{color:var(--white)}.session-feedback .primary-button{width:100%;margin-top:14px}.result-card{border:1px solid var(--line);background:var(--panel);text-align:center;border-radius:22px;width:min(560px,100%);margin:12vh auto 0;padding:44px 32px}.result-emoji{margin-bottom:12px;font-size:56px}.result-card h2{margin:0 0 8px;font-size:28px}.result-unit{color:var(--muted);margin:0 0 18px;font-size:14px}.result-score{color:var(--lime);margin:0 0 26px;font-family:DM Sans,sans-serif;font-size:52px;font-weight:700}.review-list{border:1px solid var(--line);text-align:left;background:#ffffff08;border-radius:14px;margin:0 0 24px;padding:18px 16px}.review-list .mini-label{color:#ffb84d;margin-bottom:12px;display:block}.review-item{border-top:1px solid var(--line);padding:12px 0}.review-item:first-of-type{border-top:0}.review-question{color:var(--white);margin:0 0 6px;font-size:14.5px;font-weight:600}.review-answer{color:#8ba0b2;margin:0 0 6px;font-size:13px}.review-answer strong{color:#ffb84d}.review-explain{color:#9fb4c6;margin:0;font-size:12.5px;line-height:1.6}@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}