/* Academy identity: porcelain surfaces, cobalt lines, restrained seal red. */
.brand{display:flex;flex-direction:column;align-items:flex-start;gap:10px}.sidebar-logo{width:160px;height:auto;display:block;border-radius:12px;background:#fff;padding:8px}.brand-english{font-size:10px;letter-spacing:.2em;color:var(--green)}
:root .locked .shell{max-width:1220px;padding-top:36px}:root .locked main{padding:28px}
.auth-layout{display:grid;grid-template-columns:1.1fr 1fr;min-height:680px;border-radius:28px;overflow:hidden;box-shadow:0 18px 60px #27408b10;background:var(--white)}
.auth-intro{padding:40px;position:relative;overflow:hidden;background:var(--light);display:flex;flex-direction:column;justify-content:space-between;gap:26px}.auth-intro:after{content:'';position:absolute;width:480px;height:480px;border:1px solid var(--green);opacity:.09;border-radius:50%;right:-320px;bottom:-200px;box-shadow:0 0 0 24px var(--light),0 0 0 25px var(--green);pointer-events:none}.auth-intro .eyebrow{font-size:10px;letter-spacing:.18em}.auth-logo{width:min(100%,300px);padding:18px;border-radius:20px;background:white;box-shadow:0 10px 30px #27408b08}.auth-logo img{display:block;width:100%;height:auto}.auth-story h1{font-size:36px;line-height:1.5;letter-spacing:-.05em;margin:18px 0}.auth-story p{color:var(--muted);font-size:14px;line-height:1.9}.auth-seal{display:inline-grid;place-items:center;width:38px;height:38px;border:2px solid var(--accent);border-radius:6px;color:var(--accent);font-family:serif;font-size:25px;transform:rotate(-6deg)}.auth-steps{display:flex;flex-wrap:wrap;gap:16px;margin-top:28px;color:var(--green);font-size:11px;font-weight:700;letter-spacing:.03em}
.auth-layout .auth-panel{width:100%;max-width:none;margin:0;padding:52px 42px;border:0;border-radius:0;box-shadow:none;align-self:center}.auth-panel h2{font-size:25px;margin-bottom:24px}.auth-panel input{background:var(--bg);min-height:50px;border-color:var(--line);border-radius:10px}.auth-panel form>button.primary{width:100%;min-height:50px;margin-top:4px}.auth-footnote{font-size:11px;color:var(--muted);border-top:1px solid var(--line);padding-top:20px;margin-top:30px;letter-spacing:.02em}.auth-panel p:empty{display:none}
.academy-welcome{padding:28px 32px;border-radius:22px;background:var(--white);border:1px solid var(--line);margin-bottom:24px;display:flex;align-items:center;justify-content:space-between}.academy-welcome h1{font-size:30px;letter-spacing:-.04em}.home-logo{flex:0 0 150px;background:#fff;padding:10px;border-radius:14px;margin-left:20px}.home-logo img{width:100%;display:block;height:auto}
.lesson-cards{gap:18px}.lesson-choice{position:relative;padding:20px 24px 18px;border:1px solid var(--line);border-radius:20px;overflow:hidden;transition:transform .18s,box-shadow .18s;background:var(--white)}.lesson-choice:hover{transform:translateY(-3px);box-shadow:0 12px 28px #27408b12}.lesson-art{height:130px;margin:-8px 0 12px;color:var(--green);border-bottom:1px solid var(--line);background:radial-gradient(ellipse at center,var(--light),transparent 72%)}.lesson-art svg{display:block;width:100%;height:100%}.lesson-choice strong{font-size:19px;margin-top:10px}.lesson-choice small{font-size:12px;line-height:1.7;color:var(--muted)}.lesson-bottom{display:flex;justify-content:space-between;gap:8px;font-size:11px;color:var(--green);border-top:1px solid var(--line);padding-top:14px;margin-top:18px}.lesson-choice.selected .lesson-bottom{font-weight:700}.lesson-choice.selected:after{content:'✓';position:absolute;right:17px;top:15px;background:var(--green);color:var(--on-brand);width:24px;height:24px;border-radius:50%;display:grid;place-items:center}.insight-shortcut{display:flex;align-items:center;justify-content:space-between;padding:20px 25px;margin:22px 0;background:var(--light);border-radius:14px;color:var(--green);text-decoration:none}.insight-shortcut small{display:block;color:var(--muted);font-size:12px;margin-top:7px}.insight-shortcut>span:last-child{font-size:24px}
.insight-filters{display:flex;align-items:end;gap:14px;flex-wrap:wrap;margin-bottom:22px}.insight-filters .field{margin:0;min-width:180px;flex:1}.insight-metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:24px 0}.insight-metrics article{padding:24px;border-radius:16px;background:var(--white);border-top:3px solid var(--green)}.insight-metrics small{color:var(--muted);font-size:12px}.insight-metrics strong{display:block;color:var(--green);font-size:30px;margin-top:12px}.insight-metrics em{font-style:normal;font-size:13px;margin-left:6px;color:var(--muted)}.insight-grid{display:grid;grid-template-columns:1.2fr 1fr;gap:20px}.insight-grid .panel{margin:0 0 20px}.insight-grid h2{font-size:21px}.insight-grid .muted{font-size:12px}.chart-group{margin-top:25px}.chart-group h3{font-size:14px}.chart-row{margin:18px 0}.chart-row .row{font-size:12px;gap:8px}.chart-row strong{color:var(--green);font-variant-numeric:tabular-nums}.chart-track{height:12px;border-radius:8px;background:var(--light);margin-top:9px;overflow:hidden}.chart-track i{height:100%;display:block;border-radius:8px;background:var(--green)}.chart-track.soft i{background:var(--green);opacity:.55}.insight-note{font-size:12px;line-height:1.9;color:var(--muted);padding:18px;background:var(--bg);border-radius:12px;margin:28px 0 16px}.insight-table-wrap{overflow-x:auto}.insight-table{width:100%;border-collapse:collapse;text-align:left;min-width:620px}.insight-table th{font-size:12px;color:var(--muted);background:var(--bg);padding:14px}.insight-table td{padding:14px;border-bottom:1px solid var(--line);font-size:13px}.insight-table small{display:block;color:var(--muted);font-size:11px}.insight-table .chart-row{min-width:140px;margin:0}.insight-table .link-button{font-size:14px;font-weight:700}.insight-feedback{padding:18px 0;border-bottom:1px solid var(--line)}.insight-feedback:last-child{border:0}.insight-feedback p{white-space:pre-wrap;font-size:14px;line-height:1.9}.insight-feedback small{color:var(--muted)}
@media(prefers-reduced-motion:reduce){.lesson-choice{transition:none}}
@media(max-width:1000px){.auth-layout{grid-template-columns:1fr 1fr}.auth-intro{padding:28px}.auth-layout .auth-panel{padding:32px 26px}.auth-story h1{font-size:29px}.insight-metrics{grid-template-columns:repeat(2,1fr)}.lesson-choice{padding:16px}.lesson-choice strong{font-size:16px}}
@media(max-width:760px){:root .locked .shell{padding-top:0}:root .locked main{padding:16px}.auth-layout{display:flex;flex-direction:column;min-height:0;border-radius:20px}.auth-intro{padding:24px;display:grid;grid-template-columns:1fr 116px;gap:16px;align-items:center}.auth-intro>.eyebrow{grid-column:1/-1;font-size:9px}.auth-logo{grid-column:2;grid-row:2;padding:9px;border-radius:12px}.auth-story{grid-column:1;grid-row:2}.auth-story h1{font-size:23px;margin:10px 0;line-height:1.5}.auth-story p{font-size:11px;line-height:1.8}.auth-seal{width:26px;height:26px;font-size:18px}.auth-steps{display:none}.auth-layout .auth-panel{padding:28px 22px}.auth-panel h2{font-size:22px}.auth-footnote{margin-top:20px}.brand{flex-direction:row;align-items:center;gap:14px}.sidebar-logo{width:112px;padding:6px}.brand-english{font-size:10px}.academy-welcome{padding:20px;gap:12px;align-items:flex-start}.academy-welcome h1{font-size:24px;line-height:1.5}.academy-welcome p{font-size:12px;line-height:1.8}.academy-welcome .eyebrow{font-size:9px}.home-logo{flex-basis:85px;padding:6px;margin:0}.lesson-cards{grid-template-columns:1fr;gap:12px}.lesson-choice{padding:20px 20px 16px 128px;min-height:155px}.lesson-art{position:absolute;left:8px;top:22px;width:110px;height:100px;border:0;margin:0}.lesson-choice strong{font-size:18px}.lesson-choice .eyebrow{font-size:10px}.lesson-bottom{margin-top:12px;padding-top:10px}.lesson-choice.selected:after{width:20px;height:20px;right:12px;top:10px;font-size:12px}.insight-shortcut{padding:18px}.insight-shortcut strong{font-size:14px}.insight-grid{grid-template-columns:1fr;gap:0}.insight-metrics{gap:10px}.insight-metrics article{padding:18px 14px}.insight-metrics strong{font-size:25px}.insight-filters .field{min-width:130px}.insight-filters button{width:100%}.insight-feedback .row{align-items:flex-start}.insight-metrics small{font-size:11px}}
@media(max-width:370px){.auth-intro{grid-template-columns:1fr 85px;padding:20px}.auth-story h1{font-size:20px}.home-logo{display:none}.lesson-choice{padding-left:110px}.lesson-art{width:95px}}