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.sl-input{padding-right:56px}.app-password-field__toggle{right:var(--sl-space-1);position:absolute;bottom:0}.app-auth-card__switch{justify-content:center;align-items:center;gap:var(--sl-space-2);color:var(--sl-text-secondary);font-size:var(--sl-font-size-sm);display:flex}.app-auth-card__legal{color:var(--sl-text-muted);font-size:var(--sl-font-size-xs);line-height:var(--sl-leading-body);text-align:center;margin:0}.app-auth-card__legal a{color:var(--sl-text-secondary)}@keyframes sl-fade-in{0%{opacity:0}to{opacity:1}}@keyframes 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18px;font-size:clamp(1.9rem,3.4vw,3.25rem);line-height:1.06}.course-lead{max-width:70ch;font-size:.98rem;line-height:1.75}.course-keyline,.course-question-card,.course-micro-check,.course-transfer-prompt,.worked-example,.course-summary,.course-tutor{width:100%;max-width:760px}.course-footer-v2{min-height:78px}.concept-map__viewport{max-height:470px}@media(max-width:1199px){.course-layout{max-width:820px;margin-inline:auto;display:block}.course-sidebar-v2{border-width:0 0 1px;border-radius:0;grid-template-columns:minmax(0,1fr) auto;gap:5px 18px;margin-bottom:22px;padding:18px 0;display:grid;position:static}.course-sidebar-v2>p,.course-sidebar-v2>.course-notes{display:none}.course-sidebar-v2 ol{grid-column:1/-1;margin-top:14px}}@media(max-width:640px){.course-page{padding-inline:12px}.course-topbar{min-height:58px;margin-bottom:18px}.course-sidebar-v2{padding-block:12px}.course-slide{margin-top:12px;padding:24px 18px}.course-slide h2{font-size:clamp(1.8rem,9vw,2.65rem)}.course-stage-header{flex-direction:column;align-items:flex-start;gap:6px}.course-stage-header p{text-align:left}}.course-slide{gap:0;padding:clamp(28px,3.2vw,42px)}.course-slide h2{letter-spacing:-.045em;max-width:34ch;margin:14px 0 18px;font-size:clamp(1.75rem,2.35vw,2.45rem);line-height:1.12}.course-reading-grid{gap:22px;width:100%;margin-top:4px;display:grid}.course-prose{gap:12px;max-width:66ch;display:grid}.course-prose p{color:var(--sl-text-secondary);margin:0;font-size:clamp(.98rem,1.25vw,1.06rem);line-height:1.72}.course-opening-schema{border:1px solid var(--sl-border);border-radius:var(--sl-radius-sm);background:var(--sl-bg-primary);width:100%;margin:0;padding:18px}.course-opening-schema>header{gap:5px;margin-bottom:14px;display:grid}.course-opening-schema>header span{color:var(--course-stage-color);font:600 .62rem var(--sl-font-mono);letter-spacing:.1em}.course-opening-schema>header strong{font-size:.98rem;line-height:1.35}.course-opening-schema ol{gap:8px;margin:0;padding:0;list-style:none;display:grid}.course-opening-schema li{border:1px solid var(--sl-border);background:var(--sl-bg-secondary);border-radius:10px;grid-template-columns:28px minmax(0,1fr) auto;align-items:center;gap:10px;min-height:58px;padding:10px;display:grid}.course-opening-schema li>span{width:28px;height:28px;color:var(--course-stage-color);border:1px solid var(--course-stage-color);place-items:center;display:grid}@supports (color:color-mix(in lab,red,red)){.course-opening-schema li>span{border:1px solid color-mix(in srgb,var(--course-stage-color) 35%,var(--sl-border))}}.course-opening-schema li>span{font:600 .6rem var(--sl-font-mono);border-radius:50%}.course-opening-schema li div{gap:2px;display:grid}.course-opening-schema li strong{font-size:.82rem;line-height:1.35}.course-opening-schema li p,.course-opening-schema li small,.course-opening-schema figcaption{color:var(--sl-text-muted);margin:0;font-size:.7rem;line-height:1.45}.course-opening-schema li small{max-width:90px;color:var(--course-stage-color);text-align:right}.course-opening-schema figcaption{border-top:1px solid var(--sl-border);margin-top:12px;padding-top:12px}@media(min-width:900px){.course-reading-grid{grid-template-columns:minmax(0,1.15fr) minmax(250px,.85fr);align-items:start}}@media(max-width:640px){.course-slide h2{font-size:clamp(1.7rem,8vw,2.25rem)}.course-prose p{font-size:1rem}.course-opening-schema{padding:14px}.course-opening-schema li{grid-template-columns:28px minmax(0,1fr)}.course-opening-schema li small{text-align:left;grid-column:2;max-width:none}}:root{--radius:var(--sl-radius);--background:var(--sl-bg-primary);--foreground:var(--sl-text-primary);--card:var(--sl-bg-secondary);--card-foreground:var(--sl-text-primary);--popover:var(--sl-bg-elevated);--popover-foreground:var(--sl-text-primary);--primary:var(--sl-accent);--primary-foreground:var(--sl-accent-contrast);--secondary:var(--sl-bg-interactive);--secondary-foreground:var(--sl-text-primary);--muted:var(--sl-bg-interactive);--muted-foreground:var(--sl-text-subtle);--accent:var(--sl-accent);--accent-foreground:var(--sl-accent-contrast);--destructive:var(--sl-danger);--border:var(--sl-border);--input:var(--sl-border-strong);--ring:var(--sl-accent)}*{box-sizing:border-box}html{color-scheme:light;background:var(--sl-bg-primary);-webkit-text-size-adjust:100%;min-width:320px;height:100%;overflow:hidden}body{min-width:320px;height:100%;min-height:100dvh;color:var(--sl-text-primary);background:var(--sl-bg-primary);font-family:var(--sl-font-sans);text-rendering:optimizelegibility;overscroll-behavior-y:none;margin:0;overflow:hidden}button,input,textarea,select{font:inherit}button,a{-webkit-tap-highlight-color:transparent}::selection{color:var(--sl-accent-contrast);background:var(--sl-accent)}.topi{top:64px}.input{width:100%;min-height:var(--sl-control-height);padding:0 var(--sl-space-3);color:var(--sl-text-primary);border:1px solid var(--sl-border);border-radius:var(--sl-radius);background:var(--sl-bg-primary);outline:none}.input:focus{border-color:var(--sl-accent);box-shadow:0 0 0 3px var(--sl-accent)}@supports (color:color-mix(in lab,red,red)){.input:focus{box-shadow:0 0 0 3px color-mix(in srgb,var(--sl-accent) 18%,transparent)}}.input option{color:var(--sl-text-primary);background:var(--sl-bg-primary)}@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-font-weight{syntax:"*";inherits:false}@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}@keyframes spin{to{transform:rotate(360deg)}}