body.catalog-screen { overflow: auto; background: #f4f6f0; color: #203128; font-family: 'Segoe UI', Arial, sans-serif; }
.catalog-shell { max-width: 1160px; min-height: 100dvh; margin: auto; padding: 28px 40px 0; }
.catalog-topbar { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.catalog-topbar .login-brand { font-size: 20px; }
.catalog-topbar .login-brand small { color: #7b8774; }
.catalog-controls { display: flex; align-items: center; gap: 10px; }
.catalog-controls button, .workspace-context button { height: 34px; min-height: 34px; padding: 4px 12px; border: 1px solid #d1dacb; border-radius: 7px; background: #fff; color: #354b39; }
#exerciseLanguageToggle { display: flex; align-items: center; justify-content: center; }
#exerciseLanguageToggle img { border-radius: 2px; }
.catalog-hero { display: flex; align-items: center; justify-content: space-between; gap: 32px; padding: 30px 0 32px; border-bottom: 1px solid #dce3d6; }
.catalog-hero > div:first-child { min-width: 0; }
.catalog-eyebrow { margin: 0 0 12px; color: #667d51; font-size: 12px; font-weight: 650; overflow-wrap: anywhere; }
.catalog-hero h1 { max-width: 570px; margin: 0; font-size: clamp(30px, 3.4vw, 44px); letter-spacing: -1.6px; line-height: 1.12; }
.catalog-hero p:last-child { margin: 15px 0 0; color: #75806e; font-size: 14px; line-height: 1.6; }
.catalog-stats { display: flex; align-self: stretch; align-items: center; gap: 22px; }
.catalog-stats > div { display: flex; flex-direction: column; gap: 7px; min-width: 62px; }
.catalog-stats strong { font-size: 30px; font-weight: 650; letter-spacing: -1px; }
.catalog-stats span { color: #7b8774; font-size: 11px; white-space: nowrap; }
.catalog-content { padding: 28px 0 34px; }
.catalog-list-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.catalog-list-heading h2 { margin: 0; font-size: 20px; letter-spacing: -.5px; }
.catalog-list-heading > span { padding: 6px 9px; border: 1px solid #dbe4ce; border-radius: 6px; background: #eaf0e2; color: #697d54; font-size: 10px; }
.catalog-hint { color: #8a9383; font-size: 12px; line-height: 1.6; }
.exercise-topic { margin-top: 28px; }
.exercise-topic h3 { display: flex; align-items: center; gap: 10px; margin: 0 0 12px; font-size: 12px; font-weight: 650; color: #65715d; }
.exercise-topic h3::before { content: ''; width: 5px; height: 5px; border-radius: 50%; background: #9fba83; }
.exercise-list { list-style: none; display: grid; gap: 10px; padding: 0; margin: 0; }
.course-accordion { margin: 14px 0; border: 1px solid #dce3d5; border-radius: 10px; background: #f9fbf6; }
.course-accordion > summary { padding: 14px 16px; font-size: 15px; font-weight: 650; color: #45633b; cursor: pointer; }
.course-accordion > summary:focus-visible { outline: 3px solid #779b57; outline-offset: 2px; border-radius: 8px; }
.course-accordion > .exercise-list, .course-accordion > p { margin: 0 14px 14px; }
.portal-assignment-layout { display: grid; grid-template-columns: minmax(150px, .8fr) minmax(180px, 1fr) auto minmax(180px, 1fr); gap: 12px; align-items: stretch; margin-top: 18px; }
.portal-list-panel { display: flex; flex-direction: column; min-width: 0; gap: 9px; font-size: 13px; font-weight: 600; }
.portal-list-panel select { flex: 1; width: 100%; min-height: 300px; padding: 8px; border: 1px solid #d1dacb; border-radius: 8px; background: #fff; color: #354b39; font: inherit; font-weight: 400; }
.portal-list-panel option { padding: 7px 6px; }
.portal-transfer-buttons { display: flex; flex-direction: column; justify-content: center; gap: 12px; }
.portal-transfer-buttons button { min-width: 38px; min-height: 38px; border: 1px solid #b7d58e; border-radius: 8px; background: #c8f79a; color: #304425; font-size: 22px; cursor: pointer; }
.portal-transfer-buttons button:disabled { opacity: .45; cursor: default; }
#portalError, #courseEditorError, #courseDeleteError { color: #98442f; }
#portalLoading { position: fixed; right: 20px; bottom: 20px; z-index: 20; margin: 0; padding: 8px 14px; border: 1px solid #b8cebf; border-radius: 8px; background: #f5faf6; box-shadow: 0 2px 8px #163c2120; pointer-events: none; }
@media(max-width:720px) {
  .portal-assignment-layout { grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr); gap: 8px; }
  .portal-list-panel:first-child { grid-column: 1 / -1; }
  .portal-list-panel:first-child select { min-height: 100px; max-height: 130px; }
  .portal-list-panel select { min-height: 240px; }
}
.exercise-card { display: flex; align-items: center; gap: 16px; position: relative; min-height: 76px; padding: 16px 18px; border: 1px solid #dce3d5; border-radius: 10px; background: #fff; cursor: pointer; transition: border-color .15s, background .15s; }
.exercise-card:hover { border-color: #aabd98; }
.exercise-card.is-selected { background: #f1f8e8; border-color: #92b46c; box-shadow: 0 0 0 1px #92b46c; }
.exercise-card input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.exercise-card:focus-within { outline: 3px solid #779b57; outline-offset: 3px; }
.exercise-number { display: grid; place-items: center; flex: 0 0 35px; height: 35px; border-radius: 8px; background: #eff2e9; color: #79905f; font-size: 12px; font-weight: 650; }
.exercise-card.is-selected .exercise-number { background: #c8f79a; color: #344b26; }
.exercise-caption { min-width: 0; flex: 1; font-size: 14px; font-weight: 600; line-height: 1.5; overflow-wrap: anywhere; }
.exercise-status { flex-shrink: 0; padding: 5px 9px; border-radius: 6px; background: #edf0e9; color: #819075; font-size: 11px; white-space: nowrap; }
.exercise-status.status-started { color: #856620; background: #fff3d4; }
.exercise-status.status-finished { color: #386d42; background: #dff1df; }
.exercise-choice { flex: 0 0 17px; height: 17px; border-radius: 50%; border: 1.5px solid #cbd6c2; }
.exercise-card.is-selected .exercise-choice { border: 5px solid #668b45; background: #fff; }
.catalog-selection { position: sticky; bottom: 0; z-index: 2; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding: 18px 0 22px; border-top: 1px solid #d7e1ce; background: #f4f6f0; }
.catalog-selection > div { min-width: 0; display: flex; flex-direction: column; gap: 6px; }
.catalog-selection small { color: #849078; font-size: 10px; }
.catalog-selection strong { font-size: 13px; font-weight: 550; line-height: 1.5; overflow-wrap: anywhere; }
#continueExercise, #verifySeb { display: flex; align-items: center; justify-content: space-between; gap: 26px; min-width: 168px; padding: 12px 18px; border: 1px solid #b7d58e; border-radius: 8px; background: #c8f79a; color: #304425; font-size: 13px; font-weight: 650; }
#continueExercise:disabled, #verifySeb:disabled { color: #99a28f; background: #e6ecdf; border-color: #d8e0cf; cursor: default; }
.catalog-loading, .catalog-empty { padding: 35px 16px; border: 1px dashed #ccd8c0; border-radius: 10px; text-align: center; color: #74816a; font-size: 14px; }
.catalog-error { padding: 14px 18px; background: #fff0e9; color: #98442f; border: 1px solid #edcebf; border-radius: 8px; font-size: 13px; }
.catalog-error button { min-height: 34px; padding: 5px 10px; border: 1px solid #dcbaab; border-radius: 6px; background: #fff8f4; color: inherit; }
.workspace-context { display: flex; align-items: center; gap: 14px; padding: 10px 12px; background: #f5f7f0; border-bottom: 1px solid #cbd6c1; }
.workspace-exercise-name { display: flex; flex: 1; min-width: 0; flex-direction: column; gap: 3px; }
.workspace-exercise-name small { color: #7b896f; font-size: 10px; }
.workspace-exercise-name strong { color: #34452d; font-size: 13px; line-height: 1.4; overflow-wrap: anywhere; }
#finishExercise { background: #e4efd8; }
#finishExercise:disabled { color: #7b896f; cursor: default; }
@media (max-width: 900px) {
  .catalog-shell { padding: 24px 28px 0; }
  .catalog-hero { align-items: flex-start; flex-direction: column; gap: 24px; }
  .catalog-stats { gap: 34px; }
  .catalog-stats strong { font-size: 24px; }
}
@media (max-width: 560px) {
  .catalog-shell { padding: 18px 16px 0; }
  .catalog-topbar { align-items: flex-start; gap: 12px; }
  .catalog-topbar .login-brand { font-size: 16px; }
  .catalog-topbar .login-brand small { display: none; }
  .catalog-controls { flex-wrap: wrap; justify-content: flex-end; gap: 6px; }
  .catalog-hero h1 { font-size: 32px; }
  .exercise-card { flex-wrap: wrap; gap: 10px; padding: 14px; }
  .exercise-caption { flex-basis: calc(100% - 65px); }
  .exercise-status { margin-left: 45px; }
  .exercise-choice { margin-left: auto; }
  #continueExercise, #verifySeb { min-width: 115px; gap: 12px; }
  .workspace-context { flex-wrap: wrap; gap: 8px; }
  .workspace-exercise-name { flex-basis: calc(100% - 130px); }
  .workspace-context .exercise-status { margin-left: 0; }
}
@media (prefers-reduced-motion: reduce) { .exercise-card { transition: none; } }

.parameter-breadcrumb {margin:0 0 8px;}
.parameter-breadcrumb ol {display:flex;flex-wrap:wrap;align-items:center;gap:6px 10px;list-style:none;padding:0;margin:0;min-height:36px;}
.parameter-breadcrumb li {display:inline-flex;align-items:center;gap:10px;min-width:0;}
.parameter-breadcrumb li+li::before {content:'›';color:#71816a;}
.parameter-breadcrumb button {display:inline-flex;align-items:center;gap:6px;min-height:36px;padding:4px 6px;border:1px solid transparent;border-radius:7px;background:transparent;color:#354b39;font:inherit;cursor:pointer;}
.parameter-breadcrumb button:hover {background:#edf3e6;border-color:#d1dacb;}
.parameter-breadcrumb button:focus-visible {outline:3px solid #779b57;outline-offset:2px;}
.parameter-breadcrumb button:disabled {opacity:.6;cursor:default;}
.parameter-breadcrumb [aria-current=page] {color:#71816a;font-size:14px;overflow-wrap:anywhere;}