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0;font-size:40px;font-weight:400;line-height:1.1}.auth-preview{margin:28px 0 8px;position:relative}.auth-preview-level{background:#ffffff0f;border-radius:18px;grid-template-columns:auto minmax(0,1fr) auto;align-items:center;gap:14px;padding:16px;display:grid;box-shadow:inset 0 0 0 1px #ffffff1a}.auth-preview-ring{background:conic-gradient(#ffc857 0 62%, #ffffff1a 62%);border-radius:50%;place-items:center;width:54px;height:54px;display:grid}.auth-preview-ring strong{width:44px;height:44px;font-family:var(--font-display);background:var(--night-2);border-radius:50%;place-items:center;font-size:27px;font-weight:400;display:grid}.auth-preview-level>span:nth-child(2){gap:4px;display:grid}.auth-preview-level small{color:#e6ebf599;font-size:12px}.auth-preview-level b{font-size:18px}.auth-preview-level i{background:#ffffff1a;border-radius:6px;height:6px;display:block}.auth-preview-level 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strong{font-size:17px;display:block}.player-card-level>div{flex:1;gap:4px;min-width:0;display:grid}.player-card-level strong{font-family:var(--font-display);font-size:29px;font-weight:400;line-height:1.1}.player-card-badge{background:radial-gradient(circle at 35% 30%,#fff,#d3def2 45%,#8fa2c6);border-radius:50%;flex:none;place-items:center;width:68px;height:68px;display:grid;position:relative;box-shadow:0 10px 24px -10px #34497d99}.player-card-badge .icon{color:#1f2c4f2e;fill:#ffffff40;width:58px;height:58px;position:absolute}.player-card-badge strong{font-family:var(--font-display);color:#1f2c4f;font-size:36px;font-weight:500;position:relative}.player-card-bar{background:var(--surface-3);border-radius:8px;height:8px;margin:4px 0;display:block;overflow:hidden}.player-card-bar i{border-radius:inherit;background:var(--grad-brand);height:100%;transition:width .8s 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red)){.sky-portal .sky-script{fill:color-mix(in oklab, var(--tint) 70%, var(--ink))}}.sky-portal .sky-script{font-size:15px}@keyframes portal-pulse{0%{opacity:0;transform:scale(.3)}30%{opacity:.5}to{opacity:0;transform:scale(1.25)}}.sky-portal.is-grand .sky-portal-ring{animation:portal-grand 2.3s var(--ease) both}@keyframes portal-grand{0%{opacity:0;transform:scale(.18)rotate(-60deg)}22%{opacity:.95}60%{opacity:.55}to{opacity:0;transform:scale(1.9)rotate(24deg)}}.sky-portal.is-grand:before{content:"";background:linear-gradient(90deg, transparent, var(--tint) 40%, var(--tint) 50%, var(--tint) 60%, transparent);width:42vw;position:absolute;top:-30vh;bottom:-30vh;left:0;rotate:14deg}@supports (color:color-mix(in lab, red, red)){.sky-portal.is-grand:before{background:linear-gradient(90deg, transparent, color-mix(in oklab, var(--tint) 10%, transparent) 40%, color-mix(in oklab, var(--tint) 20%, transparent) 50%, color-mix(in oklab, var(--tint) 10%, transparent) 60%, transparent)}}.sky-portal.is-grand:before{will-change:transform;animation:1.9s cubic-bezier(.65,0,.35,1) .15s both sky-meridian}@media (prefers-reduced-motion:reduce){.sky-portal{display:none}}@media (max-width:860px),(pointer:coarse){:root{--sky-mask:none}html{background-image:none}.app-header{background:var(--paper)}@supports (color:color-mix(in lab, red, red)){.app-header{background:color-mix(in oklab, var(--paper) 96%, transparent)}}.app-header,.course-outline-toggle{-webkit-backdrop-filter:none}.sky-instrument{--size:clamp(440px, 118vmin, 760px)}.sky-scene{animation:1.2s both sky-fade}.sky-scene.is-leaving{display:none}.sky *,.sky :before,.sky :after{transition:none!important;animation:none!important}.sky-turn-rim,.sky-turn-rev,.sky-turn-tape,.sky-turn-automaton,.sky-turn-stars{rotate:none}.sky-sweep,.sky-meridian,.sky-portal.is-grand:before{display:none}.topic-layout,.page{box-shadow:none}}@keyframes sky-fade{0%{opacity:0}}@media (max-width:1024px){.app-search-label,.app-search-trigger kbd{display:none}.app-search-trigger{flex:none;justify-content:center;width:40px;padding:0}}@media (max-width:860px){.app-header-inner{gap:10px;padding:0 24px}.app-nav>a:first-child{display:none}.app-search-trigger{flex:none;justify-content:center;width:38px;padding:0}.mode-toggle{width:38px;height:38px;margin-left:0}.user-area{margin-left:2px}}@media (max-width:760px){.player-chip{display:none}}@media (max-width:640px){.app-header-inner{gap:8px;padding:0 16px}.app-nav>.app-nav-practice,.user-area .button-tiny{display:none}.course-menu-panel{left:16px;right:16px}.user-login{padding:7px 2px}}@media (max-width:400px){.app-header-inner,.brand-logo{gap:6px}.brand-logo svg{width:26px;height:26px}.brand-word{font-size:24px}.app-nav>a,.course-menu-trigger{letter-spacing:.14em;padding-inline:4px}.app-search-trigger,.mode-toggle{width:34px;height:34px}}@media (max-width:359px){.app-header .mode-toggle{display:none}}@media (max-width:380px){.path-track{zoom:.84}}@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-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-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}@property --tw-ease{syntax:"*";inherits:false}