:root{--esk-primary:#2563eb;--esk-primary-hover:#1d4ed8;--esk-secondary:#64748b;--esk-success:#16a34a;--esk-warning:#f59e0b;--esk-danger:#dc2626;--esk-bg:#f8fafc;--esk-card-bg:#ffffff;--esk-border:#e2e8f0;--esk-text:#1e293b;--esk-text-light:#64748b;--esk-radius:10px;--esk-shadow:0 1px 3px rgba(0,0,0,0.08), 0 1px 2px rgba(0,0,0,0.06);--esk-shadow-lg:0 10px 25px rgba(0,0,0,0.1), 0 4px 10px rgba(0,0,0,0.06);--esk-transition:0.2s ease;--esk-cols:3}.esk-container{max-width:1200px;margin:0 auto;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--esk-text);line-height:1.6}.esk-search-bar{position:relative;margin-bottom:1.5rem;display:flex;align-items:center;gap:1rem}.esk-search-input{flex:1;padding:.75rem 1rem .75rem 2.75rem;border:2px solid var(--esk-border);border-radius:var(--esk-radius);font-size:1rem;transition:border-color var(--esk-transition);background:var(--esk-card-bg)}.esk-search-input:focus{outline:none;border-color:var(--esk-primary);box-shadow:0 0 0 3px rgb(37 99 235 / .1)}.esk-search-icon{position:absolute;left:.85rem;top:50%;transform:translateY(-50%);color:var(--esk-text-light);pointer-events:none}.esk-course-count{font-size:.875rem;color:var(--esk-text-light);white-space:nowrap}.esk-layout-grid{display:grid;grid-template-columns:repeat(var(--esk-cols),1fr);gap:1.25rem}.esk-layout-list{display:flex;flex-direction:column;gap:1rem}.esk-course-card{background:var(--esk-card-bg);border:1px solid var(--esk-border);border-radius:var(--esk-radius);padding:1.25rem;transition:box-shadow var(--esk-transition),transform var(--esk-transition);display:flex;flex-direction:column}.esk-course-card:hover{box-shadow:var(--esk-shadow-lg);transform:translateY(-2px)}.esk-layout-list .esk-course-card{flex-direction:row;flex-wrap:wrap;align-items:flex-start;gap:1rem}.esk-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:.5rem}.esk-badge{display:inline-block;padding:.2rem .6rem;border-radius:100px;font-size:.75rem;font-weight:600;letter-spacing:.02em;text-transform:uppercase;background:#e0f2fe;color:#0369a1}.esk-kursnummer{font-size:.75rem;color:var(--esk-text-light);font-family:monospace}.esk-course-title{font-size:1.1rem;font-weight:700;margin:0 0 .5rem 0;color:var(--esk-text);line-height:1.3}.esk-course-desc{font-size:.9rem;color:var(--esk-text-light);margin:0 0 .75rem 0}.esk-course-meta{display:flex;flex-wrap:wrap;gap:.5rem 1rem;margin-bottom:.75rem}.esk-meta-item{display:flex;align-items:center;gap:.35rem;font-size:.85rem;color:var(--esk-text-light)}.esk-meta-item svg{flex-shrink:0;opacity:.6}.esk-price{font-weight:700;color:var(--esk-text)}.esk-plaetze-wenig{color:var(--esk-danger);font-weight:600}.esk-course-extra{margin-top:auto}.esk-toggle-extra{background:none;border:none;color:var(--esk-primary);font-size:.85rem;cursor:pointer;display:flex;align-items:center;gap:.25rem;padding:.25rem 0}.esk-toggle-extra svg{transition:transform var(--esk-transition)}.esk-course-extra:not(.esk-collapsed) .esk-toggle-extra svg{transform:rotate(180deg)}.esk-collapsed .esk-extra-content{display:none}.esk-detail-list{margin:.5rem 0 0;font-size:.85rem}.esk-detail-list dt{font-weight:600;color:var(--esk-text-light);margin-top:.4rem}.esk-detail-list dd{margin:0;color:var(--esk-text)}.esk-card-actions{display:flex;gap:.5rem;margin-top:auto;padding-top:.75rem;border-top:1px solid var(--esk-border)}.esk-btn{display:inline-flex;align-items:center;justify-content:center;padding:.6rem 1.2rem;border-radius:calc(var(--esk-radius) - 2px);font-size:.875rem;font-weight:600;cursor:pointer;border:none;transition:all var(--esk-transition);text-decoration:none;line-height:1;white-space:nowrap}.esk-btn-primary{background:var(--esk-primary);color:#fff;flex:1}.esk-btn-primary:hover{background:var(--esk-primary-hover)}.esk-btn-secondary{background:#fff0;color:var(--esk-primary);border:1.5px solid var(--esk-primary)}.esk-btn-secondary:hover{background:rgb(37 99 235 / .06)}.esk-btn:disabled{opacity:.5;cursor:not-allowed}.esk-modal{position:fixed;inset:0;z-index:100000;display:flex;align-items:center;justify-content:center;padding:1rem}.esk-modal-overlay{position:absolute;inset:0;background:rgb(0 0 0 / .5);backdrop-filter:blur(4px)}.esk-modal-content{position:relative;background:var(--esk-card-bg);border-radius:calc(var(--esk-radius) + 4px);width:100%;max-width:600px;max-height:85vh;overflow-y:auto;padding:2rem;box-shadow:0 25px 50px rgb(0 0 0 / .25);animation:esk-modal-in 0.25s ease}@keyframes esk-modal-in{from{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.esk-modal-close{position:absolute;top:1rem;right:1rem;background:none;border:none;font-size:1.5rem;cursor:pointer;color:var(--esk-text-light);line-height:1;padding:.25rem;border-radius:4px}.esk-modal-close:hover{color:var(--esk-text);background:var(--esk-bg)}.esk-modal-title{font-size:1.25rem;font-weight:700;margin:0 0 1.25rem 0}.esk-modal-kursname{display:block;font-size:.9rem;font-weight:400;color:var(--esk-text-light);margin-top:.25rem}.esk-form-row{display:flex;gap:1rem;margin-bottom:.85rem}.esk-form-field{flex:1;display:flex;flex-direction:column}.esk-form-field-wide{flex:1 1 100%}.esk-form-field label{font-size:.8rem;font-weight:600;color:var(--esk-text);margin-bottom:.25rem}.esk-required{color:var(--esk-danger)}.esk-form-field input,.esk-form-field select{padding:.55rem .75rem;border:1.5px solid var(--esk-border);border-radius:calc(var(--esk-radius) - 4px);font-size:.9rem;transition:border-color var(--esk-transition)}.esk-form-field input:focus,.esk-form-field select:focus{outline:none;border-color:var(--esk-primary);box-shadow:0 0 0 3px rgb(37 99 235 / .1)}.esk-form-field input.esk-field-error{border-color:var(--esk-danger)}.esk-form-privacy{margin-top:.5rem}.esk-form-privacy label{display:flex;align-items:flex-start;gap:.5rem;font-size:.85rem;font-weight:400;color:var(--esk-text-light);cursor:pointer}.esk-form-privacy input[type="checkbox"]{margin-top:.2rem}.esk-form-actions{margin-top:1.25rem}.esk-form-actions .esk-btn{width:100%;padding:.8rem;font-size:1rem}.esk-form-messages{margin-bottom:.75rem}.esk-msg{padding:.75rem 1rem;border-radius:calc(var(--esk-radius) - 4px);font-size:.9rem;font-weight:500}.esk-msg-success{background:#f0fdf4;color:var(--esk-success);border:1px solid #bbf7d0}.esk-msg-error{background:#fef2f2;color:var(--esk-danger);border:1px solid #fecaca}.esk-schedule-table{width:100%;border-collapse:collapse;font-size:.85rem}.esk-schedule-table th{text-align:left;padding:.6rem .75rem;background:var(--esk-bg);font-weight:600;font-size:.8rem;text-transform:uppercase;letter-spacing:.03em;color:var(--esk-text-light);border-bottom:2px solid var(--esk-border)}.esk-schedule-table td{padding:.6rem .75rem;border-bottom:1px solid var(--esk-border)}.esk-loading{text-align:center;padding:2rem;color:var(--esk-text-light)}.esk-no-results,.esk-no-courses{text-align:center;padding:3rem 1rem;color:var(--esk-text-light);font-size:1rem}.esk-error{padding:1rem;background:#fef2f2;border:1px solid #fecaca;border-radius:var(--esk-radius);color:var(--esk-danger);font-size:.9rem}.esk-admin-error{background:#fffbeb;border-color:#fde68a;color:#92400e}@media (max-width:900px){.esk-layout-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width:600px){.esk-layout-grid{grid-template-columns:1fr}.esk-form-row{flex-direction:column;gap:.65rem}.esk-modal-content{padding:1.25rem}.esk-search-bar{flex-direction:column;align-items:stretch}.esk-course-count{text-align:right}}