:root{--color-page: #f5f1e8;--color-paper: #fffdf8;--color-paper-warm: #fbf7ea;--color-ink: #25272c;--color-ink-soft: #696b70;--color-line: #ded9cc;--color-blue: #95cee6;--color-blue-deep: #5aa7ca;--color-blue-soft: #dff2f8;--color-yellow: #f4e89b;--color-yellow-deep: #e8ce67;--color-yellow-soft: #fbf5cf;--color-sand: #efc979;--color-sand-deep: #dcae54;--color-sand-soft: #f8e8bd;--color-orange: #e47b23;--color-danger: #a9463d;--color-danger-soft: #fae8e3;--color-success: #4e876c;--font-body: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--font-heading: Georgia, "Times New Roman", serif;--font-script: "Segoe Print", "Bradley Hand", cursive;--radius-small: 12px;--radius-input: 16px;--radius-card: 34px;--radius-pill: 999px;--shadow-shell: 0 28px 80px rgb(62 64 68 / 14%);--shadow-button: 0 10px 24px rgb(199 167 63 / 24%);--focus-ring: 0 0 0 4px rgb(90 167 202 / 18%);--transition-fast: .16s ease;--content-width: 1180px}.auth-page{min-height:100vh;padding:clamp(18px,4vw,48px);background:radial-gradient(circle at 7% 15%,rgb(149 206 230 / 34%) 0 6px,transparent 7px),radial-gradient(circle at 94% 78%,rgb(232 206 103 / 30%) 0 8px,transparent 9px),linear-gradient(135deg,#f6f3ea,#f0ede5)}.auth-shell{display:grid;grid-template-columns:minmax(360px,.9fr) minmax(520px,1.1fr);width:min(100%,var(--content-width));min-height:calc(100vh - clamp(36px,8vw,96px));margin:0 auto;overflow:hidden;background:var(--color-paper);border:1px solid rgb(255 255 255 / 80%);border-radius:var(--radius-card);box-shadow:var(--shadow-shell)}.auth-hero{position:relative;display:flex;flex-direction:column;min-height:680px;padding:clamp(36px,5vw,68px);overflow:hidden;isolation:isolate;background:linear-gradient(145deg,rgb(255 255 255 / 22%),transparent 45%),var(--color-blue)}.auth-hero:before{position:absolute;right:-90px;bottom:-120px;z-index:-1;width:390px;height:340px;content:"";background:var(--color-yellow);border-radius:48% 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h1{max-width:440px;font-size:clamp(42px,5vw,68px);line-height:.98}.auth-hero h1 em{display:inline-block;margin-top:8px;font-family:var(--font-script);font-size:.88em;font-weight:400;text-decoration:underline;text-decoration-color:var(--color-orange);text-decoration-thickness:3px;text-underline-offset:8px}.auth-hero__description{max-width:430px;margin:30px 0 0;color:#25272cc2;font-size:16px;line-height:1.65}.math-sketch{position:relative;width:min(100%,390px);height:180px;margin-top:auto}.math-sketch__formula{position:absolute;top:6px;left:12px;padding:10px 22px;background:#fffdf8c2;border-radius:var(--radius-pill);font-family:var(--font-heading);font-size:20px;font-style:italic;transform:rotate(-4deg)}.math-sketch__curve{position:absolute;inset:18px 0 0;width:100%;fill:var(--color-orange);stroke:var(--color-ink);stroke-linecap:round;stroke-width:2}.math-sketch__curve path{fill:none}.math-sketch__note{position:absolute;right:-2px;bottom:3px;font-family:var(--font-script);font-size:18px;transform:rotate(-5deg)}.hero-star{position:absolute;width:30px;color:#fffdf8a6;fill:currentcolor}.hero-star--one{top:62px;right:68px;width:42px;transform:rotate(13deg)}.hero-star--two{top:126px;right:148px;width:22px}.hero-star--three{top:43%;right:42px;width:28px}.hero-orbit{position:absolute;top:90px;right:-75px;width:250px;height:100px;border:2px solid rgb(255 253 248 / 40%);border-radius:50%;transform:rotate(-24deg)}.auth-card{display:flex;flex-direction:column;min-width:0;padding:clamp(26px,5vw,64px) clamp(24px,6vw,76px) 24px;background:radial-gradient(circle at 88% 9%,rgb(244 232 155 / 32%) 0 82px,transparent 83px),var(--color-paper)}.auth-card__content{display:flex;flex:1;flex-direction:column;justify-content:center;width:min(100%,600px);margin:0 auto}.auth-tabs{display:grid;grid-template-columns:1fr 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