.sgk{padding:0 24px 40px}.sgk-search{background:var(--bg-card);border:1px solid var(--border);min-width:220px;height:38px;box-shadow:var(--shadow-sm);color:var(--text-muted);border-radius:10px;align-items:center;gap:8px;padding:0 12px;display:flex}.sgk-search--inline{width:100%;max-width:420px;margin:0 0 12px}.sgk-search__input{color:var(--text-main);background:0 0;border:none;outline:none;flex:1;min-width:0;font-size:13px}.sgk-scope{flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:14px;display:flex}.sgk-scope__btn{border:1px solid var(--border);background:var(--bg-card);color:var(--text-muted);cursor:pointer;border-radius:10px;align-items:center;gap:6px;margin:0;padding:8px 12px;font-family:inherit;font-size:13px;font-weight:600;transition:border-color .15s,background .15s,color .15s,box-shadow .15s;display:inline-flex}.sgk-scope__btn:hover{border-color:color-mix(in srgb, var(--primary) 35%, transparent);color:var(--text-main)}.sgk-scope__btn.is-active{border-color:color-mix(in srgb, var(--primary) 55%, transparent);background:var(--primary-light);color:var(--primary-hover);box-shadow:0 0 0 1px color-mix(in srgb, var(--primary) 15%, transparent)}.sgk-scope__setup{color:var(--primary);flex-shrink:0;margin-left:auto;font-size:12.5px;font-weight:600;text-decoration:none}.sgk-scope__setup:hover{text-decoration:underline}.sgk-grades{background:var(--bg-card);border:1px solid var(--border);box-shadow:none;border-radius:999px;align-items:center;gap:6px;margin:0;padding:4px 8px 4px 10px;display:flex}.sgk-grades--inline{margin-left:4px}.sgk-grades__label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.03em;flex-shrink:0;font-size:11px;font-weight:700}.sgk-grades__track{flex-wrap:nowrap;align-items:center;gap:4px;display:flex}.sgk-grade{cursor:pointer;background:0 0;border:1.5px solid #0000;border-radius:999px;padding:0;font-family:inherit;transition:border-color .12s}.sgk-grade:hover{border-color:color-mix(in srgb, var(--primary) 35%, transparent)}.sgk-grade.is-active{border-color:var(--primary)}.sgk-grade__chip{background:var(--primary-light);min-width:28px;height:26px;color:var(--primary-hover);border-radius:999px;justify-content:center;align-items:center;padding:0 8px;font-size:12px;font-weight:700;display:inline-flex}.sgk-grade__chip--all{background:var(--primary-light);color:var(--primary);min-width:auto;padding:0 10px;font-size:11px}.sgk-grade__chip--mine{background:var(--primary-light);color:var(--primary-hover);font-size:11px;font-weight:700}.sgk-grade.is-active .sgk-grade__chip,.sgk-grade.is-active .sgk-grade__chip--all,.sgk-grade.is-active .sgk-grade__chip--mine{background:var(--primary);color:#fff}.sgk-subject--mine{font-weight:600}.sgk-body{grid-template-columns:220px 1fr;align-items:start;gap:18px;display:grid}.sgk-subjects{background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow-sm);border-radius:14px;max-height:calc(100vh - 100px);padding:14px 12px;position:sticky;top:72px;overflow:auto}.sgk-subjects__head{justify-content:space-between;align-items:center;margin-bottom:10px;padding:0 6px;display:flex}.sgk-subjects__title{text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);font-size:13px;font-weight:800}.sgk-subjects__count{color:var(--primary);background:var(--primary-light);border-radius:999px;padding:2px 8px;font-size:12px;font-weight:700}.sgk-subjects__list{flex-direction:column;gap:8px;display:flex}.sgk-subject{text-align:left;border:1px solid var(--border);background:var(--bg-card);width:100%;color:var(--text-main);cursor:pointer;box-shadow:var(--shadow-sm);border-radius:8px;margin:0;padding:8px 12px;font-family:inherit;font-size:13px;font-weight:600;line-height:1.35;transition:background .12s,color .12s,border-color .12s,box-shadow .12s;display:block}.sgk-subject:hover{background:var(--bg-hover);border-color:color-mix(in srgb, var(--primary) 40%, var(--border))}.sgk-subject.is-active{background:var(--primary-light);color:var(--primary-hover);border-color:color-mix(in srgb, var(--primary) 50%, transparent);box-shadow:none}.sgk-subject:focus-visible{outline:2px solid color-mix(in srgb, var(--primary) 55%, transparent);outline-offset:1px}.sgk-subjects__reset{width:100%;color:var(--text-muted);border-radius:8px;justify-content:center;align-items:center;gap:6px;margin-top:10px;padding:8px;font-size:12px;font-weight:700;display:flex}.sgk-subjects__reset:hover{background:var(--bg-muted);color:var(--primary)}.sgk-toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:14px;display:flex}.sgk-toolbar__result{color:var(--text-muted);font-size:13px}.sgk-toolbar__result strong{color:var(--text-main)}.sgk-toolbar__filter{color:var(--text-muted);margin-top:2px;font-size:12px;display:block}.sgk-check{color:var(--text-muted);cursor:pointer;-webkit-user-select:none;user-select:none;align-items:center;gap:8px;font-size:13px;font-weight:600;display:inline-flex}.sgk-check input{accent-color:var(--primary);width:15px;height:15px}.sgk-grid{grid-template-columns:repeat(auto-fill,minmax(148px,1fr));gap:16px;display:grid}.sgk-card{background:var(--bg-card);border:1px solid var(--border);box-shadow:var(--shadow-sm);color:inherit;content-visibility:auto;contain-intrinsic-size:auto 280px;border-radius:14px;flex-direction:column;transition:transform .15s,box-shadow .15s,border-color .15s;display:flex;overflow:hidden}.sgk-card:hover{box-shadow:var(--shadow-md);border-color:color-mix(in srgb, var(--primary) 45%, transparent);transform:translateY(-3px)}.sgk-card[hidden]{display:none!important}.sgk-card__cover{aspect-ratio:3/4;background:var(--bg-muted);position:relative;overflow:hidden}.sgk-card__img{object-fit:cover;opacity:0;z-index:1;width:100%;height:100%;transition:opacity .2s;display:block;position:absolute;inset:0}.sgk-card__img.is-ready{opacity:1}.sgk-card__placeholder{z-index:0;flex-direction:column;justify-content:flex-end;gap:6px;width:100%;height:100%;padding:14px 12px;display:flex;position:absolute;inset:0}.sgk-card__ph-grade{opacity:.85;letter-spacing:.04em;text-transform:uppercase;font-size:11px;font-weight:800}.sgk-card__ph-title{-webkit-line-clamp:4;-webkit-box-orient:vertical;font-size:14px;font-weight:800;line-height:1.3;display:-webkit-box;overflow:hidden}.sgk-card__ph-sub{opacity:.8;font-size:11px;font-weight:600}.sgk-card__badge{letter-spacing:.03em;border-radius:999px;padding:3px 7px;font-size:10px;font-weight:800;position:absolute;top:8px;right:8px}.sgk-card__badge--pdf{color:#166534;background:#dcfce7}.sgk-card__badge--train{background:var(--orange-light);color:#92400e}.sgk-card__body{padding:10px 12px 12px}.sgk-card__title{-webkit-line-clamp:2;-webkit-box-orient:vertical;min-height:2.7em;margin:0 0 6px;font-size:13px;font-weight:700;line-height:1.35;display:-webkit-box;overflow:hidden}.sgk-card__meta{color:var(--text-muted);align-items:center;gap:4px;font-size:11px;font-weight:600;display:flex}.sgk-card__tag{color:var(--primary)}.sgk-card__sub{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.sgk-empty{color:var(--text-muted);text-align:center;flex-direction:column;align-items:center;gap:10px;padding:48px 16px;display:flex}.sgk-empty[hidden]{display:none!important}.sgk-empty p{font-weight:600}@media (width<=900px){.sgk{padding:0 14px 32px}.sgk-body{grid-template-columns:1fr}.sgk-subjects{max-height:none;position:static}.sgk-subjects__list{flex-flow:wrap;gap:8px}.sgk-subject{background:var(--bg-card);border-radius:8px;width:auto;padding:7px 12px;font-size:12px}.sgk-subject.is-active{background:var(--primary);color:#fff}.sgk-scope{flex-direction:column;align-items:stretch}.sgk-scope__setup{margin-left:0}.sgk-scope__btn{justify-content:center}.sgk-grades--inline{border-radius:12px;flex-wrap:wrap;width:100%;padding:6px 8px}.sgk-grades__track{flex-wrap:wrap}.sgk-search{width:100%;min-width:0;max-width:200px}}