.ct-app{
  --ct-navy:#12395f;
  --ct-blue:#1769aa;
  --ct-blue-soft:#eaf4fb;
  --ct-ice:#f3f9fc;
  --ct-red:#dc3131;
  --ct-green:#238b49;
  --ct-orange:#f15a24;
  --ct-text:#20313c;
  --ct-muted:#687985;
  --ct-border:#d7e1e7;
  --ct-soft:#f6f9fb;
  color:var(--ct-text);
  font:16px/1.5 Arial,Helvetica,sans-serif;
  width:100%;
  max-width:1280px;
  margin:24px auto 48px;
}
.ct-app,.ct-app *{box-sizing:border-box}
.ct-app h1,.ct-app h2,.ct-app h3,.ct-app p{font-family:inherit}

.ct-top{
  position:relative;
  overflow:hidden;
  padding:26px 30px;
  color:#fff;
  background:linear-gradient(135deg,#12395f 0%,#1769aa 100%);
  border-radius:20px 20px 0 0;
}
.ct-top:after{
  content:"";
  position:absolute;
  width:260px;height:260px;
  right:-105px;top:-135px;
  border:34px solid rgba(255,255,255,.08);
  border-radius:50%;
}
.ct-top-row{position:relative;z-index:1;display:flex;justify-content:space-between;gap:28px;align-items:flex-end}
.ct-top h1{margin:0 0 5px!important;color:#fff!important;font-size:34px!important;line-height:1.1!important;font-weight:800!important}
.ct-top p{margin:0!important;color:rgba(255,255,255,.88);font-size:16px}
.ct-series-label{min-width:310px;margin:0;color:#fff;font-weight:700}
.ct-series-label span{display:block;margin:0 0 7px;font-size:13px;letter-spacing:.03em;text-transform:uppercase;color:rgba(255,255,255,.78)}
.ct-series-select{width:100%;min-height:46px;padding:10px 42px 10px 13px;border:1px solid rgba(255,255,255,.4);border-radius:10px;background:#fff;color:var(--ct-text);box-shadow:0 7px 18px rgba(0,0,0,.12)}
.ct-stats{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:9px;margin-top:21px}
.ct-pill{display:inline-flex;align-items:center;min-height:35px;padding:7px 12px;border:1px solid rgba(255,255,255,.17);border-radius:999px;background:rgba(255,255,255,.12);color:#fff;font-size:14px;backdrop-filter:blur(5px)}
.ct-pill b{margin-left:4px;color:#fff}

.ct-main{
  display:grid;
  grid-template-columns:minmax(300px,370px) minmax(0,1fr);
  gap:22px;
  padding:22px;
  background:#edf4f7;
  border-radius:0 0 20px 20px;
  box-shadow:0 18px 55px rgba(31,65,84,.16);
}
.ct-card{min-width:0;align-self:start;overflow:hidden;border:1px solid var(--ct-border);border-radius:16px;background:#fff;box-shadow:0 5px 20px rgba(31,65,84,.07)}
.ct-card-title{padding:15px 18px;border-bottom:1px solid var(--ct-border);background:#fff;color:var(--ct-navy);font-size:18px;font-weight:800}

.ct-rink-wrap{display:flex;justify-content:center;align-items:flex-start;min-height:0;padding:18px;background:linear-gradient(180deg,#f4fbfe,#eaf4f8)}
.ct-rink{display:block;width:auto!important;height:405px!important;max-width:100%;max-height:55vh;margin:0 auto;filter:drop-shadow(0 6px 12px rgba(32,74,97,.10))}
.ct-meta{display:grid;grid-template-columns:1fr 1fr;gap:9px;padding:14px 16px 12px}
.ct-meta div{min-height:63px;padding:10px 12px;border:1px solid #e6edf1;border-radius:10px;background:var(--soft)}
.ct-meta strong{display:block;margin-bottom:3px;color:var(--muted);font-size:11px;letter-spacing:.055em;text-transform:uppercase}
.ct-meta span{color:var(--ct-navy);font-size:17px;font-weight:800}
.ct-legend{display:flex;gap:22px;padding:2px 17px 17px;color:var(--ct-muted);font-size:14px}
.ct-dot{display:inline-block;width:13px;height:13px;margin-right:7px;border:2px solid #fff;border-radius:50%;vertical-align:-2px;box-shadow:0 0 0 1px rgba(0,0,0,.14)}
.ct-own{background:#222}.ct-opp{background:#35c953}

.ct-source{padding:10px 18px 0;color:var(--ct-muted);font-size:12px}
.ct-section{padding:16px 18px;border-bottom:1px solid #e7edf1}
.ct-section h2{margin:0 0 11px!important;color:var(--ct-navy)!important;font-size:19px!important;line-height:1.2!important;font-weight:800!important}
.ct-options{display:grid;grid-template-columns:repeat(auto-fit,minmax(128px,1fr));gap:8px}
.ct-suboptions{margin-top:10px;padding-top:10px;border-top:1px dashed #dce5ea}
.ct-option{position:relative;display:flex;align-items:center;min-height:43px;margin:0;padding:8px 10px;border:1px solid #dce5ea;border-radius:9px;background:#fff;cursor:pointer;transition:.15s ease}
.ct-option:hover{border-color:#9fc3dc;background:#f6fbfe}
.ct-option input{width:17px;height:17px;margin:0 9px 0 0;accent-color:var(--ct-blue);flex:0 0 auto}
.ct-option span{line-height:1.25}
.ct-option:has(input:checked){border-color:var(--ct-blue);background:#dff1fc;box-shadow:0 0 0 2px var(--ct-blue) inset,0 4px 12px rgba(23,105,170,.12);font-weight:700}
.ct-option:has(input:disabled){cursor:not-allowed;opacity:.48;background:#f6f7f8}

.ct-feedback{display:none;margin:15px 18px 0;padding:14px 15px;border-radius:10px;font-weight:800}
.ct-feedback.ct-good{display:flex;align-items:center;gap:10px;border:1px solid #a8dbb8;background:#e8f7ed;color:#176b31}
.ct-feedback.ct-bad{display:flex;align-items:center;gap:10px;border:1px solid #f0b7b7;background:#fdecec;color:#a32323}
.ct-actions{display:flex;flex-wrap:wrap;gap:9px;padding:18px}
.ct-btn{min-height:43px;margin:0!important;padding:10px 15px!important;border:0!important;border-radius:9px!important;font:700 14px/1.2 Arial,Helvetica,sans-serif!important;cursor:pointer;transition:transform .12s ease,box-shadow .12s ease,background .12s ease}
.ct-btn:hover{transform:translateY(-1px)}
.ct-btn:disabled{opacity:.42;cursor:not-allowed;transform:none}
.ct-primary{background:var(--ct-blue)!important;color:#fff!important;box-shadow:0 5px 12px rgba(23,105,170,.22)}
.ct-primary:hover{background:#105f9d!important;color:#fff!important}
.ct-secondary{background:#e8f0f4!important;color:var(--ct-navy)!important}
.ct-danger{background:#f9e9e9!important;color:#a02929!important}

.ct-dialog{max-width:680px;width:calc(100% - 28px);padding:0;border:0;border-radius:16px;box-shadow:0 25px 80px rgba(0,0,0,.32)}
.ct-dialog::backdrop{background:rgba(15,31,42,.64)}
.ct-dialog-head{padding:17px 21px;background:var(--ct-navy);color:#fff;font-size:20px;font-weight:800}
.ct-dialog-body{padding:23px;color:var(--ct-text);white-space:pre-line}
.ct-dialog-foot{padding:0 23px 23px;text-align:right}
.ct-help-grid{display:grid;grid-template-columns:1fr 1fr;gap:13px}
.ct-help-box{padding:15px;border:1px solid #e1e9ed;border-radius:11px;background:var(--ct-soft)}
.ct-help-box h3{margin:0 0 7px!important;color:var(--ct-red)!important;font-size:17px!important}
.ct-help-box p{margin:0!important}
.ct-loading{padding:15px;text-align:center;color:var(--ct-muted)}
.ct-app.ct-ready .ct-loading{display:none}

@media(max-width:991px){
  .ct-top-row{align-items:flex-start;flex-direction:column}
  .ct-series-label{width:100%;min-width:0}
  .ct-main{grid-template-columns:1fr}
  .ct-rink{height:390px!important;max-height:none}
}
@media(max-width:600px){
  .ct-app{margin-top:12px}
  .ct-top{padding:21px 17px;border-radius:14px 14px 0 0}
  .ct-top h1{font-size:28px!important}
  .ct-main{gap:14px;padding:12px;border-radius:0 0 14px 14px}
  .ct-card{border-radius:12px}
  .ct-rink-wrap{padding:12px}
  .ct-rink{height:350px!important;max-width:100%}
  .ct-meta{gap:7px;padding:11px}
  .ct-meta div{min-height:58px;padding:8px}
  .ct-section{padding:14px 12px}
  .ct-options{grid-template-columns:1fr 1fr;gap:7px}
  .ct-option{min-height:44px;padding:7px 8px;font-size:14px}
  .ct-actions{padding:14px 12px}
  .ct-btn{flex:1 1 calc(50% - 9px)}
  .ct-danger{margin-left:0!important}
  .ct-help-grid{grid-template-columns:1fr}
}
@media(max-width:390px){
  .ct-options{grid-template-columns:1fr}
  .ct-btn{flex-basis:100%}
}

.ct-feedback.ct-good:before{content:"✓";display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#238b49;color:#fff;font-size:16px;flex:0 0 auto}
.ct-feedback.ct-bad:before{content:"!";display:grid;place-items:center;width:26px;height:26px;border-radius:50%;background:#c73737;color:#fff;font-size:16px;flex:0 0 auto}
.ct-actions-main{display:flex;flex-wrap:wrap;gap:9px}
.ct-actions-reset{margin-left:auto}
@media(max-width:720px){.ct-actions-reset{margin-left:0;width:100%}}


/* Bereichswechsel und Taktiklektionen */
.ct-mode-nav{display:flex;gap:8px;margin:0 0 12px;padding:6px;border:1px solid #dbe6ec;border-radius:13px;background:#f3f7f9;width:max-content;max-width:100%}
.ct-mode-btn{min-height:40px;padding:9px 17px;border:0;border-radius:9px;background:transparent;color:var(--ct-navy);font-weight:800;cursor:pointer}
.ct-mode-btn.is-active{background:var(--ct-navy);color:#fff;box-shadow:0 5px 13px rgba(18,57,95,.18)}
.ct-lessons{margin:0}
.ct-lesson-top{border-radius:20px 20px 0 0}
.ct-lesson-shell{display:grid;grid-template-columns:280px minmax(0,1fr);gap:22px;padding:22px;background:#edf4f7;border-radius:0 0 20px 20px;box-shadow:0 18px 55px rgba(31,65,84,.16)}
.ct-lesson-index{align-self:start;padding:18px;border:1px solid var(--ct-border);border-radius:16px;background:#fff;box-shadow:0 5px 20px rgba(31,65,84,.07)}
.ct-lesson-index h2{margin:0 0 14px!important;color:var(--ct-navy)!important;font-size:19px!important}
.ct-lesson-step{display:flex;align-items:center;gap:10px;width:100%;margin:0 0 7px;padding:10px;border:1px solid transparent;border-radius:10px;background:#f5f8fa;color:var(--ct-text);text-align:left;font-weight:700;cursor:pointer}
.ct-lesson-step span{display:grid;place-items:center;width:27px;height:27px;border-radius:50%;background:#e0ebf1;color:var(--ct-navy);font-size:13px;flex:0 0 auto}
.ct-lesson-step:hover{border-color:#b8d0df;background:#f1f8fc}
.ct-lesson-step.is-active{border-color:#77acd0;background:#e1f2fc;color:var(--ct-navy)}
.ct-lesson-step.is-active span{background:var(--ct-blue);color:#fff}
.ct-lesson-card{min-height:520px;overflow:hidden;border:1px solid var(--ct-border);border-radius:16px;background:#fff;box-shadow:0 5px 20px rgba(31,65,84,.07)}
.ct-lesson-page{min-height:450px;padding:34px 38px}
.ct-lesson-page h2{margin:0 0 23px!important;color:var(--ct-navy)!important;font-size:30px!important;line-height:1.18!important}
.ct-kicker{margin:0 0 8px!important;color:var(--ct-blue);font-size:13px;font-weight:800;letter-spacing:.06em;text-transform:uppercase}
.ct-phase-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px;margin:28px 0}
.ct-phase-grid div{padding:23px 16px;border:1px solid #d9e5eb;border-radius:13px;background:linear-gradient(180deg,#f8fcfe,#eef6f9);text-align:center}
.ct-phase-grid strong{display:block;color:var(--ct-navy);font-size:18px}
.ct-phase-grid span{display:block;margin-top:5px;color:var(--ct-muted)}
.ct-lesson-list{display:grid;gap:12px;margin:22px 0;padding-left:23px}
.ct-lesson-list li,.ct-strategy-box li{padding-left:4px}
.ct-lesson-question{margin-top:28px;padding:17px 19px;border-left:4px solid var(--ct-blue);border-radius:0 10px 10px 0;background:#edf7fd}
.ct-lesson-question strong{color:var(--ct-blue);font-size:13px;text-transform:uppercase;letter-spacing:.05em}
.ct-lesson-question p{margin:4px 0 0!important;color:var(--ct-navy);font-weight:700}
.ct-strategy-columns{display:grid;grid-template-columns:1fr 1fr;gap:15px}
.ct-strategy-box{padding:20px;border:1px solid #dfe8ed;border-radius:13px;background:#f7fafb}
.ct-strategy-box h3{margin:0 0 11px!important;color:var(--ct-navy)!important;font-size:18px!important}
.ct-strategy-box ul{display:grid;gap:9px;margin:0;padding-left:20px}
.ct-strategy-box p{margin:0!important}
.ct-strategy-box.ct-defensive{border-top:4px solid #437ba5}
.ct-strategy-box.ct-offensive{border-top:4px solid #d94d4d}
.ct-lesson-note{display:inline-block;margin-top:22px;padding:9px 13px;border-radius:8px;background:#f2f5f7;color:var(--ct-muted)}
.ct-lesson-actions{display:flex;align-items:center;justify-content:space-between;gap:15px;padding:17px 22px;border-top:1px solid #e2eaee;background:#f8fafb}
.ct-lesson-dots{display:flex;gap:7px}
.ct-lesson-dot{width:8px;height:8px;border-radius:50%;background:#c6d4dc}
.ct-lesson-dot.is-active{width:23px;border-radius:999px;background:var(--ct-blue)}
@media(max-width:900px){.ct-lesson-shell{grid-template-columns:1fr}.ct-lesson-index{display:grid;grid-template-columns:1fr 1fr;gap:7px}.ct-lesson-index h2{grid-column:1/-1}.ct-lesson-step{margin:0}}
@media(max-width:600px){.ct-mode-nav{width:100%}.ct-mode-btn{flex:1;padding:8px}.ct-lesson-shell{gap:12px;padding:12px}.ct-lesson-index{display:none}.ct-lesson-page{min-height:0;padding:24px 18px}.ct-lesson-page h2{font-size:25px!important}.ct-phase-grid,.ct-strategy-columns{grid-template-columns:1fr}.ct-lesson-actions{padding:13px}.ct-lesson-actions .ct-btn{flex:0 0 auto}}

/* Erweiterte Lektionen */
.ct-lesson-group[hidden]{display:none!important}
.ct-lead{font-size:18px;line-height:1.6;color:var(--ct-muted)}
.ct-question-pair,.ct-number-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin:26px 0}
.ct-question-pair>div,.ct-number-cards>div{display:flex;align-items:center;gap:13px;padding:18px;border:1px solid #dce7ec;border-radius:13px;background:#f7fafb;color:var(--ct-navy);font-weight:800}
.ct-question-pair span,.ct-number-cards span{display:grid;place-items:center;width:34px;height:34px;border-radius:50%;background:var(--ct-blue);color:#fff;flex:0 0 auto}
.ct-number-cards{grid-template-columns:repeat(2,1fr)}
.ct-visual-layout{display:grid;grid-template-columns:minmax(180px,260px) minmax(0,1fr);gap:30px;align-items:center}
.ct-lesson-rink{padding:12px;border:1px solid #dce7ec;border-radius:14px;background:var(--ct-ice)}
.ct-lesson-rink svg{display:block;width:100%;max-height:420px}
.ct-visual-layout h3{margin:0 0 13px!important;color:var(--ct-navy)!important;font-size:20px!important}
.ct-summary-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:22px 0}
.ct-summary-grid>div{padding:21px;border:1px solid #dce7ec;border-radius:13px;background:#f7fafb}
.ct-summary-grid h3{margin:0 0 12px!important;color:var(--ct-navy)!important;font-size:19px!important}
.ct-summary-grid ul{display:grid;gap:8px;margin:0;padding-left:20px}
.ct-lesson-index [data-lesson-index-list]{max-height:620px;overflow:auto;padding-right:3px}
@media(max-width:760px){.ct-visual-layout,.ct-question-pair,.ct-number-cards,.ct-summary-grid{grid-template-columns:1fr}.ct-lesson-rink{max-width:280px;margin:0 auto}.ct-lesson-page{padding:22px 16px}}

/* Fortgeschrittenen-Lektion: 3er-Haus */
.ct-sequence-wrap{margin:18px 0 24px;padding:12px;border:1px solid #dce7ec;border-radius:14px;background:#f6fbfd;overflow-x:auto}
.ct-sequence-svg{display:block;min-width:720px;width:100%;height:auto}
.ct-sequence-panel.ct-sequence-active rect{fill:#eef8ff;stroke:#1777b7;stroke-width:3}
@media(max-width:760px){.ct-sequence-wrap{margin-left:-4px;margin-right:-4px}.ct-sequence-svg{min-width:680px}}


/* Grundlagen */
.ct-basics{margin:0}.ct-basic-top{border-radius:20px 20px 0 0}.ct-basic-tabs{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}.ct-basic-tab{padding:10px 15px;border:1px solid rgba(255,255,255,.3);border-radius:9px;background:rgba(255,255,255,.1);color:#fff;font-weight:800;cursor:pointer}.ct-basic-tab.is-active{background:#fff;color:var(--ct-navy)}
.ct-basic-body{padding:22px;background:#edf4f7;border-radius:0 0 20px 20px;box-shadow:0 18px 55px rgba(31,65,84,.16)}.ct-basic-panel[hidden]{display:none!important}.ct-basic-card{padding:25px;border:1px solid var(--ct-border);border-radius:16px;background:#fff;box-shadow:0 5px 20px rgba(31,65,84,.07)}.ct-basic-card-head{display:flex;justify-content:space-between;gap:25px;align-items:flex-start;margin-bottom:22px}.ct-basic-card-head h2{margin:0!important;color:var(--ct-navy)!important;font-size:29px!important}.ct-basic-card-head>p{max-width:420px;margin:5px 0 0;color:var(--ct-muted)}
.ct-basic-grid{display:grid;grid-template-columns:minmax(0,1.5fr) minmax(250px,.7fr);gap:24px;align-items:center}.ct-basic-rink-wide{padding:15px;border:1px solid #dce7ec;border-radius:14px;background:#f6fbfd}.ct-basic-rink-wide svg{display:block;width:100%;height:auto}.ct-basic-button-groups{display:grid;gap:22px}.ct-basic-button-groups h3{margin:0 0 9px!important;color:var(--ct-navy)!important;font-size:18px!important}.ct-letter-row{display:flex;flex-wrap:wrap;gap:8px}.ct-letter-row button{width:44px;height:42px;border:1px solid #cbdbe4;border-radius:9px;background:#f5f8fa;color:var(--ct-navy);font-weight:900;cursor:pointer}.ct-letter-row button:hover,.ct-letter-row button.is-active{border-color:var(--ct-blue);background:var(--ct-blue);color:#fff}.ct-basic-solution{min-height:95px;margin-top:25px;padding:16px;border:1px solid #dce7ec;border-radius:12px;background:#f7fafb}.ct-basic-solution span{display:block;margin-bottom:8px;color:var(--ct-red);font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.06em}.ct-basic-solution strong{color:var(--ct-navy);font-size:18px}.ct-basic-controls-grid{margin-top:20px}.ct-dimension-svg svg{max-height:330px}
.ct-shot-grid{display:grid;grid-template-columns:minmax(260px,390px) minmax(0,1fr);gap:30px;align-items:start}.ct-shot-rink{padding:16px;border:1px solid #dce7ec;border-radius:14px;background:var(--ct-ice)}.ct-shot-rink svg{display:block;width:100%;max-height:480px}.ct-shot-description{min-height:82px;margin-top:14px;padding:14px;border-radius:10px;background:#fff;color:var(--ct-text)}.ct-shot-description strong{color:var(--ct-navy)}.ct-shot-options{display:grid;gap:16px}.ct-shot-options fieldset{margin:0;padding:16px;border:1px solid #dce7ec;border-radius:13px;background:#f8fafb}.ct-shot-options legend{padding:0 8px;color:var(--ct-red);font-size:19px;font-weight:800}.ct-shot-list{display:grid;grid-template-columns:1fr 1fr;gap:8px 18px}.ct-shot-list label{display:flex;gap:8px;align-items:center;padding:7px 5px;color:var(--ct-text);cursor:pointer}.ct-shot-list input{accent-color:var(--ct-blue)}
@media(max-width:900px){.ct-basic-grid,.ct-shot-grid{grid-template-columns:1fr}.ct-basic-card-head{flex-direction:column}.ct-basic-rink-wide{overflow-x:auto}.ct-basic-rink-wide svg{min-width:650px}.ct-shot-rink{max-width:380px;margin:0 auto;width:100%}}
@media(max-width:600px){.ct-basic-body{padding:12px}.ct-basic-card{padding:17px}.ct-basic-tabs{display:grid;grid-template-columns:1fr}.ct-basic-tab{width:100%}.ct-shot-list{grid-template-columns:1fr}.ct-basic-card-head h2{font-size:25px!important}}