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avatar-pulse{0%,to{opacity:.4}50%{opacity:.8}}.avatar-small{width:2.5rem;height:2.5rem}.avatar-small:before{border-width:2px}.avatar-medium{width:5rem;height:5rem}.avatar-large{width:80px;height:80px}@media(max-width:48rem){.avatar-medium{width:4rem;height:4rem}.avatar-large{width:64px;height:64px}.avatar-medium:before,.avatar-large:before{border-width:3px}}.avatar-premium-crown{position:absolute;top:-.7rem;left:50%;transform:translate(-50%);z-index:2;color:#9a6700;background:#fff1c2;border-radius:999px;padding:0 .25rem;font-size:1rem;line-height:1.2}.avatar-wrapper{position:relative}.get-premium-button{gap:.3em;white-space:nowrap;cursor:pointer;text-decoration:none;background:linear-gradient(135deg,var(--dp-brand-purple-deep),var(--dp-brand-purple));color:var(--dp-card);border-color:var(--dp-brand-purple-deep);box-shadow:none}.get-premium-button 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var(--dp-destructive));border-radius:.5rem;font-family:var(--font-primary)}.breadcrumb-error-content{display:flex;align-items:center;gap:.75rem}.breadcrumb-error-message{color:var(--color-error, var(--dp-destructive));font-size:.875rem;font-weight:500;flex:1}.breadcrumb-error-retry{background:var(--color-error, var(--dp-destructive));color:var(--color-white, var(--dp-card));border:none;border-radius:.375rem;padding:.375rem .75rem;font-size:.75rem;font-weight:500;cursor:pointer;transition:background-color .2s ease}.breadcrumb-error-retry:hover{background:var(--color-error-dark, var(--dp-destructive))}.breadcrumb-error-retry:focus{outline:var(--outline-width-base) solid var(--color-error, var(--dp-destructive));outline-offset:var(--outline-offset-base)}.breadcrumbs{margin-bottom:1rem;min-width:0;max-width:100%}.breadcrumbs-list{display:flex;align-items:center;flex-wrap:nowrap;gap:.25rem;list-style:none;margin:0;padding:0;min-width:0}.breadcrumb-item{display:flex;align-items:center;gap:0;flex:0 1 auto;min-width:0}.breadcrumb-item--fixed{flex-shrink:0}.breadcrumb-link{background:none;border:none;color:var(--D-Text-Grey, var(--dp-ink-soft));font-family:var(--font-primary, "Nunito", sans-serif);font-size:clamp(.75rem,2.5vw,1rem);font-style:normal;font-weight:400;line-height:1.25;letter-spacing:.015625rem;text-decoration:none;cursor:pointer;padding:0;transition:color .2s ease;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;text-align:left}.breadcrumb-link:hover{color:var(--D-Purple-Primary, var(--dp-primary));text-decoration:none}.breadcrumb-current{color:var(--D-Headlines, var(--dp-ink));font-family:var(--font-primary, "Nunito", sans-serif);font-size:clamp(.75rem,2.5vw,1rem);font-style:normal;font-weight:400;line-height:1.25;letter-spacing:.015625rem;min-width:0;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}.breadcrumb-separator{display:flex;align-items:center;flex-shrink:0;margin:0 .25rem}.breadcrumb-separator svg{width:clamp(.25rem,1vw,.341125rem);height:clamp(.4rem,1.5vw,.58075rem);flex-shrink:0;display:block}.breadcrumb-separator svg path{fill:var(--D-Text-Grey, var(--dp-ink-soft))}.breadcrumb-skeleton{color:var(--color-text-secondary);font-family:var(--font-primary, "Nunito", sans-serif);font-size:clamp(.75rem,2.5vw,1rem);font-style:normal;font-weight:400;line-height:1.25;letter-spacing:.015625rem;animation:pulse 1.5s ease-in-out infinite}.breadcrumb-error{color:var(--color-error, var(--dp-destructive));font-family:var(--font-primary, "Nunito", sans-serif);font-size:clamp(.75rem,2.5vw,1rem);font-style:normal;font-weight:400;line-height:1.25;letter-spacing:.015625rem}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@media(max-width:48rem){.breadcrumbs{margin-bottom:.75rem}.breadcrumbs-list{gap:.125rem}.breadcrumb-separator{margin:0 .125rem}}.achievement-banner{display:flex;width:100%;padding:var(--dp-space-5) 3.75rem var(--dp-space-5) var(--dp-space-6);border-radius:var(--dp-tile-radius);border:1px solid var(--dp-brand-lavender-deep);background:var(--dp-brand-lavender);box-sizing:border-box}.banner-content{display:flex;flex-direction:row;align-items:center;gap:var(--dp-space-4);width:100%}.medal-icon-wrapper{flex-shrink:0;display:flex;width:4rem;height:4rem;justify-content:center;align-items:center;border-radius:999px;background:var(--dp-card);box-shadow:var(--dp-shadow-soft)}.medal-icon{width:3rem;height:3rem;object-fit:contain}.banner-text-wrapper{flex:1;display:flex;flex-direction:column;gap:var(--dp-space-1);min-width:0}.banner-title{margin:0;color:var(--dp-ink);font-family:var(--dp-font-family-display);font-size:1.25rem;font-weight:800;line-height:1.25}.banner-subtitle{margin:0;color:var(--dp-ink);font-family:var(--dp-font-family-body);font-size:.9375rem;line-height:1.45}.achievement-banner .ranking-btn,.achievement-banner .diplo-primary-button.ranking-btn,.achievement-modal-banner .ranking-btn,.achievement-modal-banner .diplo-primary-button.ranking-btn{--button-bg: var(--dp-card);--button-bg-hover: color-mix(in oklab, var(--dp-brand-purple) 10%, var(--dp-card));--button-color: var(--dp-brand-purple-deep);--button-border: 1.5px solid var(--dp-brand-purple-deep);--button-shadow: none;--button-shadow-hover: none;--button-height: auto;display:inline-flex;flex-direction:row;flex-shrink:0;align-items:center;justify-content:center;height:auto;min-height:2.75rem;padding:0 var(--dp-space-5);border:1.5px solid var(--dp-brand-purple-deep);border-radius:1.15rem;background:var(--dp-card);color:var(--dp-brand-purple-deep);font-family:var(--dp-font-family-body);font-size:1rem;font-weight:800;line-height:1.2;white-space:nowrap;box-shadow:none;cursor:pointer}.achievement-banner .diplo-primary-button.ranking-btn:hover:not(:disabled),.achievement-modal-banner .diplo-primary-button.ranking-btn:hover:not(:disabled){background:color-mix(in oklab,var(--dp-brand-purple) 10%,var(--dp-card));color:var(--dp-brand-purple-deep);box-shadow:none;transform:translateY(-1px)}@media(max-width:48rem){.achievement-banner{padding:var(--dp-space-4) 3.5rem var(--dp-space-4) var(--dp-space-4)}.banner-content{flex-wrap:wrap;gap:var(--dp-space-3)}.medal-icon-wrapper{width:3.25rem;height:3.25rem}.medal-icon{width:2.5rem;height:2.5rem}.banner-text-wrapper{flex-basis:calc(100% - 4.25rem)}.banner-title{font-size:1.0625rem}.achievement-banner .ranking-btn,.achievement-banner .diplo-primary-button.ranking-btn,.achievement-modal-banner .ranking-btn,.achievement-modal-banner .diplo-primary-button.ranking-btn{width:100%}}@media(prefers-reduced-motion:reduce){.achievement-banner .diplo-primary-button.ranking-btn:hover:not(:disabled),.achievement-modal-banner .diplo-primary-button.ranking-btn:hover:not(:disabled){transform:none}}.achievement-overlay{position:relative;display:flex;justify-content:center;flex-shrink:0;width:100%;padding-top:1.5rem;padding-bottom:env(safe-area-inset-bottom,0px)}.achievement-modal{position:relative;width:min(61.25rem,100%);border-radius:var(--dp-tile-radius);overflow:hidden;box-shadow:var(--dp-shadow-soft)}.achievement-modal-banner .achievement-banner{border-radius:var(--dp-tile-radius)}body:has(.ranking-tab) .achievement-overlay,body:has(.ranking-tab) .achievement-mini,body:has(.profile-tab) .achievement-overlay,body:has(.profile-tab) .achievement-mini{display:none}.achievement-close{position:absolute;top:.375rem;right:.375rem;width:2.75rem;height:2.75rem;border-radius:50%;border:none;background:transparent;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;padding:0;z-index:1}.achievement-close:hover{background:color-mix(in oklab,var(--dp-card) 70%,transparent)}.achievement-close svg{width:1.75rem;height:1.75rem;display:block;padding:.375rem;box-sizing:border-box;border-radius:50%;background:var(--dp-card)}.achievement-close svg rect{fill:transparent}.achievement-close svg path{fill:var(--dp-ink);stroke:var(--dp-ink);stroke-width:1}.achievement-mini{position:relative;align-self:flex-end;flex-shrink:0;margin-top:1rem;margin-bottom:env(safe-area-inset-bottom,0px);display:flex;width:3.5rem;height:3.5rem;padding:.5rem;flex-direction:column;align-items:center;justify-content:center;border-radius:1rem;border:1px solid var(--dp-brand-lavender-deep);background:var(--dp-brand-lavender);box-shadow:var(--dp-shadow-soft);cursor:pointer}.achievement-mini:hover{filter:brightness(.98)}.achievement-mini:active{transform:translateY(.0625rem)}.achievement-mini-icon{width:2.5rem;height:1.6875rem;object-fit:contain}@media(max-width:48rem){.achievement-overlay{padding-top:1rem}.achievement-modal{width:100%;max-width:24rem}}.diplo-primary-button{position:relative;display:inline-flex;align-items:center;justify-content:center;gap:var(--dp-space-2);min-height:2.75rem;height:var(--button-height, 3.25rem);padding:var(--button-padding, 0 1.75rem);border:var(--button-border, 1px solid transparent);border-bottom:var(--button-border-bottom, var(--button-border, 1px solid transparent));border-radius:var(--button-radius, 1.15rem);background:var(--button-bg, var(--dp-gradient-cta));color:var(--button-color, var(--dp-ink));font-family:var(--dp-font-family-body);font-size:var(--button-font-size, 1rem);font-weight:var(--button-font-weight, 800);line-height:var(--button-line-height, 1.2);letter-spacing:0;text-align:center;text-decoration:none;cursor:pointer;flex-direction:var(--button-flex-direction, row);flex-shrink:var(--button-flex-shrink, 1);box-shadow:none;transition:transform var(--dp-duration-control) var(--dp-ease-out),background-color var(--dp-duration-control) ease,color var(--dp-duration-control) ease,border-color var(--dp-duration-control) ease}.diplo-primary-button:hover:not(:disabled){background:var(--button-bg-hover, var(--button-bg, var(--dp-gradient-cta)));border-bottom:var(--button-border-bottom-hover, var(--button-border-bottom, var(--button-border, 1px solid 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4rem;min-height:100dvh;height:100dvh;background:var(--dp-paper);font-family:var(--dp-font-family-body);display:flex;flex-direction:column;position:relative}.dashboard-header{display:flex;justify-content:space-between;align-items:center;gap:1rem;position:relative;z-index:40;min-width:0;min-height:var(--shell-header-height);padding:.5rem clamp(.75rem,2vw,1.5rem);border-bottom:1px solid color-mix(in oklab,var(--dp-border) 60%,transparent);box-shadow:none}.header-left{display:flex;align-items:center;gap:.75rem;flex:0 1 auto;min-width:0}.header-logo-link{align-items:center;min-height:2.75rem;text-decoration:none;flex-shrink:0}.header-left:has(.course-switcher) .header-logo-link .diplo-wordmark{position:relative;top:-.2375rem}@media(min-width:48.0625rem){.header-logo-link{display:inline-flex}}.course-switcher{position:relative;min-width:0;flex:1 1 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12%,var(--dp-card));color:var(--dp-brand-purple-deep)}.course-switcher-menu{position:absolute;top:calc(100% + .5rem);left:0;z-index:1000;display:flex;flex-direction:column;min-width:100%;max-width:min(22rem,calc(100vw - 1.5rem));padding:.375rem}.course-switcher-option{display:flex;align-items:center;justify-content:space-between;gap:.75rem;width:100%;min-height:2.75rem;padding:.5rem .75rem;border:none;border-radius:var(--dp-radius);background:transparent;color:var(--dp-ink);font-family:inherit;font-size:.875rem;text-align:left;cursor:pointer}.course-switcher-option:hover{background:var(--dp-secondary)}.course-switcher-option.is-selected{font-weight:700;color:var(--dp-brand-purple-deep)}.course-switcher-option-name{min-width:0;white-space:normal;overflow-wrap:anywhere}.hamburger-menu-btn,.back-arrow-btn{display:none;min-width:2.75rem;min-height:2.75rem;background:none;border:none;border-radius:50%;cursor:pointer;padding:.5rem;color:var(--dp-ink);font-size:1.5rem}.hamburger-menu-btn:hover,.back-arrow-btn:hover{background:var(--dp-secondary)}.hamburger-menu-btn .material-symbols-rounded,.back-arrow-btn .material-symbols-rounded{font-size:1.5rem}.header-right{display:flex;align-items:stretch;justify-content:flex-end;gap:1rem;flex:1 1 auto;min-width:0;margin-left:auto}.header-upgrade-banner{position:static;display:flex;align-items:center;gap:.75rem;flex:0 1 auto;min-width:0;min-height:2.75rem;margin-inline:auto;padding:.25rem .3rem .25rem .5rem;transform:none}.header-upgrade-mascot{align-self:center;width:3rem;height:3rem;object-fit:contain;flex-shrink:0}.header-upgrade-copy{display:flex;flex-direction:column;justify-content:center;min-width:0}.header-upgrade-title{color:var(--dp-ink);font-size:.8125rem;font-weight:800;line-height:1.3}.header-upgrade-subtitle{color:var(--dp-ink-soft);font-size:.75rem;font-weight:600;line-height:1.3}.header-upgrade-button{white-space:nowrap;cursor:pointer}.notification-wrapper,.user-profile-trigger,.header-upgrade-button{flex-shrink:0}@media(max-width:75rem){.header-upgrade-banner{padding:0;background:transparent;border:none;box-shadow:none}.header-upgrade-mascot,.header-upgrade-copy{display:none}}.notification-wrapper{position:relative;display:flex;align-items:center}.notification-btn{background:none;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;min-width:2.75rem;min-height:2.75rem;padding:.5rem;border-radius:50%;color:var(--dp-ink);transition:background-color .2s}.notification-btn:hover{background:var(--dp-brand-lavender)}.notification-icon-wrapper{position:relative;display:inline-flex;align-items:center;justify-content:center;width:2rem;height:2rem}.notification-icon{font-size:2rem;width:2rem;height:2rem;line-height:1;display:inline-flex;align-items:center;justify-content:center;user-select:none;color:var(--dp-ink-soft)}.notification-icon.has-unread{color:var(--dp-primary)}.notification-dot{position:absolute;top:-.3rem;right:-.3rem;width:.9rem;height:.9rem;border-radius:999px;background:var(--dp-destructive);border:2px solid var(--dp-card)}.notifications-modal{display:flex;width:min(27.5rem,calc(100vw - 2rem));padding:.75rem;flex-direction:column;align-items:flex-start;gap:.625rem;position:fixed;right:.625rem;top:calc(var(--shell-header-height) + .5rem);z-index:1000;max-height:calc(100dvh - var(--shell-header-height) - 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