.cscaprep-library-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;margin:16px 0 20px}
.cscaprep-free-diagnostic{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:22px;margin:18px 0;padding:20px;border:1px solid #a9d2f3;border-radius:18px;background:linear-gradient(135deg,#edf7ff,#fff 62%);box-shadow:0 10px 28px rgba(24,105,165,.08)}
.cscaprep-free-diagnostic.is-completed{border-color:#afd9c1;background:linear-gradient(135deg,#f0faf4,#fff 62%)}
.cscaprep-free-diagnostic h3{margin:5px 0 7px;font-size:20px}
.cscaprep-free-diagnostic p{max-width:700px;margin:0;color:var(--ink-muted,#66727e);font-size:13px;line-height:1.55}
.cscaprep-diagnostic-subjects{display:flex;flex-wrap:wrap;gap:6px;margin-top:12px}
.cscaprep-diagnostic-subjects span{padding:5px 8px;border-radius:999px;background:#fff;color:var(--blue-deep,#14528c);font-size:10px;font-weight:650}
.cscaprep-free-diagnostic-action{display:flex;min-width:190px;flex-direction:column;align-items:flex-end;gap:11px}
.cscaprep-free-diagnostic-action>strong{color:var(--ink-muted,#66727e);font-size:11px}
.cscaprep-series-card.is-pro-locked{background:#fafbfc}
.cscaprep-series-card.is-included-free{border-color:#91c8ae;background:linear-gradient(180deg,#f1fbf5,#fff 44%)}
.cscaprep-free-route{display:grid;gap:10px;padding:18px;border:1px solid #b9d9f2;border-radius:16px;background:#f2f8fd}
.cscaprep-free-route>span{color:var(--ink-muted,#66727e);font-size:13px;line-height:1.55}
.cscaprep-library-legend{display:flex;align-items:center;gap:13px;color:var(--ink-faint,#818b96);font-size:11.5px}
.cscaprep-library-legend span{display:flex;align-items:center;gap:5px;white-space:nowrap}
.cscaprep-library-legend i{width:8px;height:8px;border-radius:50%;background:#cbd3dc}
.cscaprep-library-legend i.is-complete{background:#2f9b66}
.cscaprep-library-browser{display:grid;grid-template-columns:210px minmax(0,1fr);gap:20px;border-top:1px solid var(--hairline,#e1e5ea);padding-top:20px}
.cscaprep-library-subjects{display:flex;flex-direction:column;gap:7px}
.cscaprep-library-subjects button{display:grid;grid-template-columns:34px minmax(0,1fr) auto;align-items:center;gap:9px;width:100%;padding:10px;border:0;border-radius:13px;background:transparent;color:var(--ink,#202328);font:inherit;text-align:left;cursor:pointer}
.cscaprep-library-subjects button:hover{background:var(--sunken,#f2f5f7)}
.cscaprep-library-subjects button[aria-pressed="true"]{background:var(--active,#e7f2fc);color:var(--blue-deep,#14528c)}
.cscaprep-library-subjects b{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#fff;font-size:14px}
.cscaprep-library-subjects span{overflow:hidden;font-size:13px;font-weight:650;text-overflow:ellipsis;white-space:nowrap}
.cscaprep-library-subjects small{display:grid;place-items:center;min-width:23px;height:23px;padding:0 6px;border-radius:999px;background:#fff;color:var(--ink-faint,#818b96);font-size:10px}
.cscaprep-library-content{min-width:0}
.cscaprep-library-difficulties{display:flex;gap:8px;margin-bottom:14px}
.cscaprep-library-difficulties button{display:flex;align-items:center;gap:7px;padding:8px 13px;border:1px solid var(--hairline,#e1e5ea);border-radius:999px;background:#fff;color:var(--ink-muted,#66727e);font:inherit;cursor:pointer}
.cscaprep-library-difficulties button[aria-pressed="true"]{border-color:var(--blue,#1e5fa8);background:var(--blue,#1e5fa8);color:#fff}
.cscaprep-library-difficulties span{font-size:12.5px;font-weight:650}
.cscaprep-library-difficulties small{font-size:10px;opacity:.75}
.cscaprep-series-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.cscaprep-series-card{display:flex;flex-direction:column;min-width:0;padding:17px;border:1px solid var(--hairline,#e1e5ea);border-radius:16px;background:#fff}
.cscaprep-series-card.is-completed{border-color:#b7dcc8;background:linear-gradient(180deg,#f5fbf7,#fff 42%)}
.cscaprep-series-card-top{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
.cscaprep-series-name{color:var(--blue,#1e5fa8);font-size:11px;font-weight:750;letter-spacing:.07em;text-transform:uppercase}
.cscaprep-exam-state{padding:4px 8px;border-radius:999px;background:#f0f3f6;color:var(--ink-faint,#818b96);font-size:9.5px;font-weight:650;white-space:nowrap}
.cscaprep-series-card.is-completed .cscaprep-exam-state{background:#e1f3e8;color:#287448}
.cscaprep-series-card h3{margin:0 0 7px;font-size:16px;line-height:1.35}
.cscaprep-series-card>p{flex:1;margin:0 0 10px;color:var(--ink-muted,#66727e);font-size:12px;line-height:1.5}
.cscaprep-series-card .cscaprep-card-action{align-self:flex-start;margin-top:3px}
.cscaprep-library-empty{grid-column:1/-1;padding:28px;border:1px dashed var(--hairline,#e1e5ea);border-radius:15px;color:var(--ink-muted,#66727e);text-align:center}
@media(max-width:780px){.cscaprep-free-diagnostic{grid-template-columns:1fr}.cscaprep-free-diagnostic-action{min-width:0;align-items:stretch}.cscaprep-library-browser{grid-template-columns:1fr}.cscaprep-library-subjects{flex-direction:row;overflow-x:auto;padding-bottom:4px}.cscaprep-library-subjects button{flex:0 0 auto;width:auto;min-width:150px}.cscaprep-series-grid{grid-template-columns:1fr}}
@media(max-width:520px){.cscaprep-library-toolbar{align-items:flex-start;flex-direction:column}.cscaprep-library-legend{width:100%;justify-content:flex-end}.cscaprep-library-difficulties{overflow-x:auto;padding-bottom:3px}.cscaprep-library-difficulties button{flex:none}}
.cscaprep-catalogue{display:grid;gap:12px}
.cscaprep-catalogue-subject{border:1px solid var(--hairline,#e1e5ea);border-radius:18px;background:#fff;overflow:hidden}
.cscaprep-catalogue-subject>summary{display:grid;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:12px;padding:15px 17px;cursor:pointer;list-style:none}
.cscaprep-catalogue-subject>summary::-webkit-details-marker{display:none}
.cscaprep-catalogue-subject>summary b{display:grid;place-items:center;width:40px;height:40px;border-radius:12px;background:var(--active,#e7f2fc);color:var(--blue-deep,#14528c)}
.cscaprep-catalogue-subject>summary span{font-size:16px;font-weight:700}
.cscaprep-catalogue-subject>summary small{color:var(--ink-faint,#818b96)}
.cscaprep-catalogue-subject[open]>summary{border-bottom:1px solid var(--hairline,#e1e5ea)}
.cscaprep-catalogue-levels{display:grid;gap:22px;padding:18px}
.cscaprep-catalogue-levels h2{margin:0 0 10px;color:var(--ink-muted,#66727e);font-size:13px;text-transform:uppercase;letter-spacing:.07em}
.cscaprep-free-review-note{margin:16px 0;padding:12px 14px;border:1px solid #a9d6bd;border-radius:13px;background:#f1faf5;color:#276446;font-size:12.5px;line-height:1.5}
.cscaprep-review-answers{display:grid;gap:5px;margin:12px 0;padding:12px 14px;border-radius:13px;background:#edf5fb}
.cscaprep-review-answers strong{color:var(--blue-deep,#14528c);font-size:13px;line-height:1.5}
.cscaprep-review-answers small{color:var(--ink-muted,#66727e);font-size:12px;line-height:1.5}