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components;@layer utilities{.visible{visibility:visible}.absolute{position:absolute}.relative{position:relative}.sticky{position:sticky}.container{width:100%}@media (min-width:40rem){.container{max-width:40rem}}@media (min-width:48rem){.container{max-width:48rem}}@media (min-width:64rem){.container{max-width:64rem}}@media (min-width:80rem){.container{max-width:80rem}}@media (min-width:96rem){.container{max-width:96rem}}.block{display:block}.flex{display:flex}.hidden{display:none}.inline{display:inline}.border{border-style:var(--tw-border-style);border-width:1px}.underline{text-decoration-line:underline}.filter{filter:var(--tw-blur,) var(--tw-brightness,) var(--tw-contrast,) var(--tw-grayscale,) var(--tw-hue-rotate,) var(--tw-invert,) var(--tw-saturate,) var(--tw-sepia,) 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100%;border-radius:10px;animation:1.3s infinite shimmer}@keyframes shimmer{to{background-position:-200% 0}}.protected-content{-webkit-user-select:none;user-select:none}.lesson-body{font-family:Georgia,Times New Roman,serif;font-size:1.075rem;line-height:1.78}.lesson-body h2,.lesson-body h3{letter-spacing:-.025em;font-family:Inter,ui-sans-serif,system-ui,sans-serif;line-height:1.2}.lesson-body blockquote{border-left:3px solid var(--brand);color:var(--muted);margin:24px 0;padding:4px 0 4px 22px}.auth-shell{background:radial-gradient(circle at 10% 0%, var(--brand-soft), transparent 38%), var(--bg);place-items:center;min-height:100vh;padding:24px;display:grid}.auth-card{width:min(460px,100%);padding:clamp(24px,5vw,42px)}.app-main{padding:40px 0 72px}.cover{color:#fff;border-radius:20px;flex-direction:column;justify-content:flex-end;min-height:180px;padding:24px;display:flex;position:relative;overflow:hidden}.cover:after{content:"";border:1px solid 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env(safe-area-inset-bottom));background:var(--surface);grid-template-columns:repeat(4,1fr);display:grid;position:fixed;inset:auto 0 0}@supports (color:color-mix(in lab, red, red)){.mobile-nav{background:color-mix(in srgb, var(--surface) 94%, transparent)}}.mobile-nav{border-top:1px solid var(--line);-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px)}.mobile-nav a{color:var(--muted);place-items:center;gap:2px;font-size:11px;display:grid}}@media print{@page{size:A4;margin:16mm}.app-header,.mobile-nav,.no-print,.btn{display:none!important}body{color:#000;background:#fff}.container,.narrow{width:100%}.card{box-shadow:none;border:0}}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@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}