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calc(20px + env(safe-area-inset-left, 0px));background:var(--k-tint);border-bottom:3px solid var(--k-accent);min-width:0}html[data-skin=kollege] .k-head-title{flex:1 1;min-width:0;margin:0;font-size:20px;font-weight:650;line-height:1.3;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}html[data-skin=kollege] .k-rail{display:none;flex-direction:column;width:220px;background:var(--k-surface);border-right:1px solid var(--k-border);padding-top:env(safe-area-inset-top,0);min-width:0}html[data-skin=kollege] .k-rail-brand{margin:0;padding:16px 16px 24px;font-size:17px;font-weight:650;line-height:1.25;color:var(--k-text)}html[data-skin=kollege] .k-rail-btn{display:flex;align-items:center;gap:10px;width:100%;height:48px;min-height:48px;padding:0 16px;border:none;background:transparent;color:var(--k-text);font-family:inherit;font-size:17px;font-weight:500;cursor:pointer;text-align:left;position:relative}html[data-skin=kollege] .k-rail-btn.is-active{color:var(--k-accent);background:var(--k-tint)}html[data-skin=kollege] .k-rail-btn.is-active:before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--k-accent)}html[data-skin=kollege] .k-nav{grid-area:nav;display:flex;width:100%;height:calc(64px + env(safe-area-inset-bottom, 0px));padding-bottom:env(safe-area-inset-bottom,0);padding-left:env(safe-area-inset-left,0);padding-right:env(safe-area-inset-right,0);background:var(--k-surface);border-top:1px solid var(--k-border)}html[data-skin=kollege] .k-nav-btn{flex:1 1;min-width:0;min-height:44px;border:none;background:transparent;color:var(--k-muted);cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-family:inherit;font-size:12px;font-weight:500;line-height:1.2;padding:0;position:relative}html[data-skin=kollege] .k-nav-btn.is-active{color:var(--k-accent)}html[data-skin=kollege] .k-nav-btn.is-active:before{content:"";position:absolute;top:0;left:12%;right:12%;height:2px;background:var(--k-accent)}html[data-skin=kollege] .k-body{grid-area:body;min-width:0;min-height:0;overflow:auto;overflow-x:hidden}html[data-skin=kollege] .k-pane{min-height:100%;display:flex;flex-direction:column}html[data-skin=kollege] .k-pane.is-hidden,html[data-skin=kollege] .k-pane[hidden]{display:none!important}html[data-skin=kollege] .k-empty{margin:auto;width:min(420px,calc(100% - 32px));text-align:center;padding:24px 0}html[data-skin=kollege] .k-empty p{margin:0 0 8px;color:var(--k-muted);font-size:17px;line-height:1.5}html[data-skin=kollege] .k-modul-card{text-align:left;display:flex;flex-direction:column;gap:16px;cursor:pointer}html[data-skin=kollege] .k-modul-card h2{margin:0;font-size:20px;font-weight:650;line-height:1.3;color:var(--k-text)}html[data-skin=kollege] .k-modul-card p{margin:0;color:var(--k-text)}html[data-skin=kollege] .k-flaeche-leer{margin:auto;max-width:36ch;text-align:center;color:var(--k-muted);padding:24px}html[data-skin=kollege] .k-flaeche-leer h2{margin:0 0 8px;font-size:20px;font-weight:650;line-height:1.3;color:var(--k-text)}html[data-skin=kollege] .k-flaeche-leer p{margin:0;font-size:17px;line-height:1.5}html[data-skin=kollege] .k-session-items{list-style:none;margin:0;padding:16px;display:flex;flex-direction:column;gap:16px}html[data-skin=kollege] .k-session-open{display:flex;flex-direction:column;gap:4px;min-height:44px;padding:16px;background:var(--k-surface);border:1px solid var(--k-border);border-radius:12px;box-shadow:var(--k-lift);color:inherit;text-decoration:none}html[data-skin=kollege] .k-session-name{font-size:17px;color:var(--k-text)}html[data-skin=kollege] .k-session-meta{font-size:14px;line-height:1.4;color:var(--k-muted)}html[data-skin=kollege] .k-session-hint{font-size:17px;font-weight:600;color:var(--k-accent)}@media (min-width:1280px){html[data-skin=kollege] .k-shell{grid-template-columns:220px 1fr;grid-template-rows:auto 1fr;grid-template-areas:"rail head" "rail body"}html[data-skin=kollege] .k-rail{display:flex;grid-area:rail;width:220px}html[data-skin=kollege] .k-nav{display:none}html[data-skin=kollege] .k-head{min-height:56px;height:auto;padding-top:8px;padding-bottom:8px}}@media (max-width:1279px){html[data-skin=kollege] .k-rail{display:none}html[data-skin=kollege] .k-nav{display:flex}html[data-skin=kollege] .k-head{height:auto;min-height:56px;padding-top:calc(12px + env(safe-area-inset-top, 0px));padding-bottom:12px}html[data-skin=kollege] .k-btn--primary{min-height:48px}}