:root{--grund:#0d0d0c;--flaeche:#151515;--flaeche2:#1d1d1c;--linie:#262625;--linie-hell:#343433;--text:#f2f2f0;--text-schwach:#9c9c98;--text-dunkel:#6b6b67;--akzent:#ff5b26;--blau:#8ab8e0;--gruen:#86c17c;--rot:#e0654f;--gelb:#d9b356;--schrift-text:"Instrument Sans", "Segoe UI", sans-serif;--schrift-mono:"IBM Plex Mono", Consolas, monospace}body{background-color:var(--grund);color:var(--text);font-family:var(--schrift-text);background-image:radial-gradient(900px 500px at 80% -12%,#ff5b2621,#0000 65%),radial-gradient(700px 500px at 8% 108%,#ff5b260f,#0000 60%);background-attachment:fixed}::selection{background:var(--akzent);color:#0d0d0c}.kk-app{color:var(--text);font-family:var(--schrift-text);max-width:860px;margin:0 auto;padding:0 20px 56px}.kk-app-header{border-bottom:1px solid var(--linie);flex-wrap:wrap;align-items:center;gap:2px;margin-bottom:24px;padding:22px 0 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.15s}.kk-btn:hover{background:var(--flaeche2);border-color:var(--text-dunkel)}.kk-btn:disabled{opacity:.35;cursor:default}.kk-btn-primary{color:#111110;background:#f2f2f0;border-color:#f2f2f0;font-weight:600}.kk-btn-primary:hover{background:#fff;border-color:#fff}.kk-btn-success{color:#c9e4c2;background:#223b1e;border-color:#3c5c36}.kk-btn-error{color:#f0cdc5;background:#46201a;border-color:#6e352b}.kk-btn-outline{background:0 0}.kk-btn-gross{letter-spacing:-.2px;width:100%;padding:15px 28px;font-size:15px;font-weight:600}.kk-btn-sm{padding:5px 12px;font-size:13px;font-weight:500}.kk-btn-sm.active{color:#111110;background:#f2f2f0;border-color:#f2f2f0}.kk-btn-icon{color:var(--text-schwach);cursor:pointer;font-size:14px;font-family:var(--schrift-text);background:0 0;border:none;padding:4px 8px}.kk-btn-icon:hover{color:var(--text)}.kk-fortschritt{background:var(--linie);border-radius:2px;height:3px;margin:10px 0;overflow:hidden}.kk-fortschritt-bar{background:var(--akzent);height:100%;transition:width .3s}.kk-session-header{letter-spacing:-.2px;justify-content:space-between;align-items:center;padding:8px 0;font-weight:600;display:flex}.kk-session-zaehler{font-family:var(--schrift-mono);color:var(--text-dunkel);font-size:13px}.kk-session-stats{color:var(--text-schwach);gap:16px;margin-bottom:18px;font-size:13px;display:flex}.kk-stat-faellig:before,.kk-stat-neu:before,.kk-stat-lernen:before{content:"";vertical-align:1px;border-radius:50%;width:7px;height:7px;margin-right:6px;display:inline-block}.kk-stat-faellig:before{background:var(--gruen)}.kk-stat-neu:before{background:var(--blau)}.kk-stat-lernen:before{background:var(--gelb)}.kk-karte{perspective:1000px;min-height:300px;margin:18px 0}.kk-karte-inner{width:100%;min-height:300px;transform-style:preserve-3d;transition:transform .5s cubic-bezier(.4,0,.2,1);position:relative}.kk-karte-inner.umgedreht{transform:rotateY(180deg)}.kk-karte-seite{backface-visibility:hidden;background:var(--flaeche);border:1px solid var(--linie);border-radius:14px;min-height:300px;padding:30px 32px;position:absolute;top:0;left:0;right:0}.kk-karte-seite.aktiv{position:relative}.kk-karte-hinten{transform:rotateY(180deg)}.kk-karte-meta{font-family:var(--schrift-mono);letter-spacing:.5px;text-transform:uppercase;color:var(--text-dunkel);justify-content:space-between;margin-bottom:22px;font-size:11px;display:flex}.kk-karte-frage{letter-spacing:-.5px;font-size:24px;font-weight:600;line-height:1.35}.kk-karte-hinweis{color:var(--text-schwach);border-left:2px solid var(--gelb);margin-top:22px;padding-left:12px;font-size:13px}.kk-karte-aufdecken{text-align:center;color:var(--text-dunkel);font-family:var(--schrift-mono);letter-spacing:1px;text-transform:uppercase;margin-top:28px;font-size:11px}.kk-karte-frage-klein{color:var(--text-dunkel);margin-bottom:12px;font-size:13px}.kk-karte-trennlinie{border-top:1px solid var(--linie);margin:16px 0}.kk-karte-antwort{margin-bottom:16px;font-size:16px;line-height:1.6}.kk-karte-erklaerung{color:var(--text-schwach);margin:12px 0;font-size:14px;line-height:1.55}.kk-karte-formel{color:var(--blau);font-size:14px;font-family:var(--schrift-mono);margin:8px 0}.kk-formel-btn{margin-top:18px}.kk-karte-formel-hinweis{color:var(--blau);border-left:2px solid var(--blau);font-size:15px;font-family:var(--schrift-mono);margin-top:18px;padding:10px 0 10px 12px}.kk-karte-norm{color:var(--text-schwach);margin:8px 0;font-size:13px}.kk-bruch{vertical-align:middle;flex-direction:column;align-items:center;margin:0 4px;font-size:.88em;line-height:1.25;display:inline-flex}.kk-bruch-oben{border-bottom:1.5px solid;padding:0 5px 1px}.kk-bruch-unten{padding:1px 5px 0}.kk-karte-bild{cursor:zoom-in;border-radius:8px;max-width:100%;max-height:560px;margin:16px auto;display:block}.kk-karte-bild.klein{max-height:140px}.kk-bild-vollbild{z-index:1000;cursor:zoom-out;background:#080807f2;flex-direction:column;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.kk-bild-vollbild img{border-radius:8px;max-width:96vw;max-height:90vh}.kk-bild-vollbild-hinweis{color:var(--text-dunkel);margin-top:12px;font-size:13px}.kk-bewertung{grid-template-columns:repeat(4,1fr);gap:8px;margin-top:18px;display:grid}.kk-bewertung-btn{border:1px solid var(--linie);background:var(--flaeche);color:var(--text);cursor:pointer;border-radius:10px;flex-direction:column;align-items:center;gap:3px;padding:13px 8px;transition:background .15s,border-color .15s;display:flex}.kk-bewertung-btn:hover{background:var(--flaeche2);border-color:var(--btn-farbe)}.kk-bewertung-label{letter-spacing:-.1px;font-size:14px;font-weight:600}.kk-bewertung-intervall{color:var(--text-dunkel);font-size:12px;font-family:var(--schrift-mono)}.kk-dash-stats{gap:10px;padding:2px 0 22px;display:flex}.kk-dash-stat{background:var(--flaeche);border:1px solid var(--linie);border-radius:12px;flex-direction:column;flex:1;gap:4px;padding:18px 20px;display:flex}.kk-dash-stat-icon{display:none}.kk-dash-stat-value{letter-spacing:-1px;font-size:32px;font-weight:600}.kk-dash-stat-label{font-family:var(--schrift-mono);letter-spacing:.8px;text-transform:uppercase;color:var(--text-dunkel);font-size:10px}.kk-dash-heute{background:var(--flaeche);border:1px solid var(--linie);border-radius:12px;margin:16px 0;padding:24px}.kk-dash-heute h3{letter-spacing:-.4px;margin:0 0 12px;font-size:20px;font-weight:600}.kk-dash-counts{color:var(--text-schwach);gap:16px;margin-bottom:18px;font-size:13px;display:flex}.kk-dash-section{margin:34px 0}.kk-dash-section h3{font-family:var(--schrift-mono);letter-spacing:1.2px;text-transform:uppercase;color:var(--text-dunkel);margin:0 0 14px;font-size:11px;font-weight:500}.kk-filter-bar{flex-wrap:wrap;gap:6px;margin-bottom:14px;display:flex}.kk-filter-btn{border:1px solid var(--linie);color:var(--text-schwach);cursor:pointer;font-size:12.5px;font-weight:500;font-family:var(--schrift-text);background:0 0;border-radius:100px;padding:5px 14px;transition:color .15s,border-color .15s}.kk-filter-btn:hover{color:var(--text);border-color:var(--linie-hell)}.kk-filter-btn.active{color:#111110;background:#f2f2f0;border-color:#f2f2f0}.kk-deck-grid{flex-direction:column;gap:6px;display:flex}.kk-deck-card{background:var(--flaeche);border:1px solid var(--linie);cursor:pointer;border-left:3px solid;border-radius:10px;padding:14px 18px;transition:background .15s,border-color .15s}.kk-deck-card:hover{background:var(--flaeche2)}.kk-deck-header{align-items:center;gap:8px;margin-bottom:9px;display:flex}.kk-deck-icon{display:none}.kk-deck-name{letter-spacing:-.2px;font-size:15px;font-weight:600}.kk-deck-bar{background:var(--linie);border-radius:2px;height:3px;margin-bottom:8px;overflow:hidden}.kk-deck-bar-fill{height:100%}.kk-deck-footer{color:var(--text-dunkel);font-size:12px;font-family:var(--schrift-mono);justify-content:space-between;display:flex}.kk-schnellstart{flex-wrap:wrap;gap:8px;display:flex}.kk-frei-nav{justify-content:center;gap:8px;margin-top:16px;display:flex}.kk-quiz-frage{letter-spacing:-.3px;background:var(--flaeche);border:1px solid var(--linie);border-radius:14px;margin:16px 0;padding:26px;font-size:20px;font-weight:600;line-height:1.45}.kk-quiz-optionen{flex-direction:column;gap:8px;display:flex}.kk-quiz-option{border:1px solid var(--linie);background:var(--flaeche);color:var(--text);cursor:pointer;font-size:15px;font-family:var(--schrift-text);text-align:left;border-radius:10px;padding:14px 18px;transition:background .15s,border-color .15s}.kk-quiz-option:hover{background:var(--flaeche2);border-color:var(--linie-hell)}.kk-quiz-richtig{border-color:var(--gruen)!important;background:#223b1e!important}.kk-quiz-falsch{border-color:var(--rot)!important;background:#46201a!important}.kk-quiz-erklaerung{border-left:2px solid var(--blau);color:var(--text-schwach);margin-top:14px;padding-left:12px;font-size:14px}.kk-quiz-ergebnis,.kk-pruefung-ergebnis{text-align:center;padding:56px 16px}.kk-quiz-score,.kk-pruefung-note{letter-spacing:-3px;margin:16px 0;font-size:72px;font-weight:600}.kk-pruefung-text{color:var(--text-schwach);margin-bottom:12px;font-size:20px}.kk-pruefung-score{color:var(--text-dunkel);font-size:15px;font-family:var(--schrift-mono);margin-bottom:24px}.kk-pruefung-timer{color:var(--gelb);font-size:15px;font-weight:600;font-family:var(--schrift-mono)}.kk-timer-bar .kk-fortschritt-bar{transition:width 1s linear}.kk-pruefung-frage{letter-spacing:-.3px;background:var(--flaeche);border:1px solid var(--linie);text-align:center;border-radius:14px;margin:16px 0;padding:34px 26px;font-size:20px;font-weight:600;line-height:1.45}.kk-pruefung-antwort{background:var(--flaeche);border:1px solid var(--linie);border-radius:10px;margin:12px 0;padding:18px;font-size:16px}.kk-pruefung-selbst{text-align:center;margin-top:16px}.kk-pruefung-selbst .kk-btn{margin:0 6px}.kk-pruefung-buttons{text-align:center;margin-top:16px}.kk-editor-form{flex-direction:column;gap:16px;padding:18px 0;display:flex}.kk-editor-form label{color:var(--text-schwach);flex-direction:column;gap:5px;font-size:13px;font-weight:500;display:flex}.kk-editor-form input,.kk-editor-form select,.kk-editor-form textarea{background:var(--grund);border:1px solid var(--linie-hell);color:var(--text);font-size:14px;font-family:var(--schrift-text);border-radius:8px;padding:10px 13px;font-weight:400}.kk-editor-form input:focus,.kk-editor-form select:focus,.kk-editor-form textarea:focus{border-color:var(--text-dunkel);outline:none}.kk-editor-form textarea{resize:vertical}.kk-editor-row{color:var(--text-schwach);flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;display:flex}.kk-editor-mc{flex-direction:column;gap:6px;display:flex}.kk-editor-mc-option{align-items:center;gap:8px;flex-direction:row!important}.kk-editor-mc-option input[type=text]{flex:1}.kk-editor-actions{justify-content:flex-end;gap:8px;padding-top:12px;display:flex}.kk-session-fertig,.kk-leer{text-align:center;padding:56px 16px}.kk-session-fertig 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var(--linie);border-radius:12px;margin-bottom:12px;padding:18px}.kk-review-card-header{color:var(--text-schwach);flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:12px;font-size:12px;display:flex}.kk-review-card-nr{color:var(--text);font-weight:600;font-family:var(--schrift-mono)}.kk-review-card-id{font-family:var(--schrift-mono);font-size:11px}.kk-review-card-kat{background:var(--flaeche2);border-radius:100px;padding:2px 9px}.kk-review-badge{border-radius:100px;padding:2px 9px;font-size:11px;font-weight:600}.kk-badge-ok{color:#c9e4c2;background:#223b1e}.kk-badge-edit{color:#ecd3a0;background:#4a3517}.kk-review-frage{margin-bottom:12px}.kk-review-trenn{border-top:1px solid var(--linie);margin:12px 0}.kk-review-antwort{margin-bottom:12px}.kk-review-text{white-space:pre-wrap;margin-top:6px;font-size:14px;line-height:1.6}.kk-review-extra{color:var(--blau);margin:6px 0;font-size:13px}.kk-review-actions{flex-wrap:wrap;gap:8px;margin-top:16px;display:flex}.kk-review-btn-ok{flex:1;padding:12px;font-size:15px;color:#c9e4c2!important;background:#223b1e!important;border-color:#3c5c36!important}.kk-review-btn-edit{flex:1;padding:12px;font-size:15px;color:#ecd3a0!important;background:#4a3517!important;border-color:#6e5527!important}.kk-review-nav{justify-content:space-between;gap:8px;margin-top:12px;display:flex}.kk-review-edit label{color:var(--text-schwach);flex-direction:column;gap:4px;margin-bottom:10px;font-size:13px;display:flex}.kk-review-edit textarea{background:var(--grund);border:1px solid var(--linie-hell);color:var(--text);resize:vertical;border-radius:8px;padding:10px;font-family:inherit;font-size:14px}.kk-review-edit-actions{justify-content:flex-end;gap:8px;display:flex}.kk-review-leer{text-align:center;color:var(--text-schwach);padding:48px}.kk-review-hints{color:var(--text-dunkel);flex-wrap:wrap;justify-content:center;gap:12px;margin-top:16px;font-size:11px;display:flex}@media (width<=640px){.kk-app{padding:0 12px 28px}.kk-karte-seite{padding:20px}.kk-karte-frage{font-size:20px}.kk-bewertung{grid-template-columns:repeat(2,1fr)}.kk-bewertung-btn{padding:16px 8px}.kk-dash-stats{flex-wrap:wrap}}