/* Kurzy K2: len tokeny. */
.c-catalogue, .c-overview, .c-feedback { padding-top: var(--app-space-6); }
.c-catalogue { max-width: var(--maxw); }
.c-grid { display: grid; grid-template-columns: minmax(0,1fr); gap: var(--app-space-5); margin-top: var(--app-space-5); }
@media (min-width: 768px) { .c-grid { grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media (min-width: 1200px) { .c-grid { grid-template-columns: repeat(3, minmax(0,1fr)); } .c-grid-profile { grid-template-columns: minmax(0,1fr); } }
.c-card { display: flex; flex-direction: column; align-items: flex-start; gap: var(--app-space-3); padding: var(--app-space-5); background: var(--white); border: 1px solid var(--line); border-radius: var(--radius-card); box-shadow: var(--shadow-card); min-width: 0; }
.c-card h2 { margin: 0; }
.c-card h2 a { text-decoration: none; }
.c-card p { margin: 0; }
.c-card .priebeh { width: 100%; }
.c-card .btn { margin-top: auto; }
.c-card .btn-ghost, .c-pager .btn-ghost, .c-answers .btn-ghost, .c-paths .btn-ghost, .c-invite .btn-ghost { margin-left: 0; }
.c-badge { display: inline-flex; align-items: center; justify-content: center; width: 48px; height: 48px; border-radius: var(--radius-sm); background: color-mix(in srgb, var(--white) 80%, transparent); border: 1px solid color-mix(in srgb, var(--white) 80%, transparent); box-shadow: var(--shadow-card); color: var(--void); }
.c-badge .icon { width: 20px; height: 20px; }
.c-desc { color: var(--ink-muted); }
.c-meta { display: flex; flex-wrap: wrap; align-items: center; gap: var(--app-space-2) var(--app-space-3); font-size: var(--app-body-sm-size); color: var(--ink-muted); }
.c-tag { display: inline-flex; align-items: center; min-height: 28px; padding: 0 var(--app-space-3); border: 1px solid var(--control-edge); border-radius: var(--radius-pill); font-size: var(--app-caption-size); font-weight: var(--app-label-weight); color: var(--ink); white-space: nowrap; }
.c-back { display: inline-flex; align-items: center; gap: var(--app-space-2); min-height: var(--app-tap); color: var(--ink); font-weight: var(--app-label-weight); text-decoration: none; }
.c-back:hover { text-decoration: underline; }
.c-crumb { color: var(--ink-muted); font-size: var(--app-body-sm-size); margin-bottom: var(--app-space-2); }
/* Priebeh */
.priebeh-bar { height: 4px; border-radius: var(--radius-pill); background: var(--line); overflow: hidden; }
.priebeh-fill { display: block; height: 100%; width: 100%; background: var(--ink); border-radius: var(--radius-pill); transform-origin: left; transition: transform 400ms ease; }
.priebeh-text { margin: var(--app-space-2) 0 0; font-size: var(--app-caption-size); line-height: var(--app-caption-line); color: var(--ink-muted); font-variant-numeric: tabular-nums; }
.priebeh-done { display: inline-flex; align-items: center; gap: var(--app-space-1); margin-left: var(--app-space-2); color: var(--ink); font-weight: var(--app-label-weight); }
.priebeh-done .icon { width: 16px; height: 16px; }
@media (prefers-reduced-motion: reduce) { .priebeh-fill { transition: none; } }
/* Prehľad */
.c-overview { max-width: 720px; margin-inline: auto; }
.c-cta { margin: var(--app-space-5) 0; }
.c-cta .btn, .c-invite .btn-primary { width: 100%; }
@media (min-width: 768px) { .c-cta .btn, .c-invite .btn-primary { width: auto; min-width: 280px; } }
.c-levels-h { margin-top: var(--app-space-6); }
.c-level { border: 1px solid var(--line); border-radius: var(--radius-card); background: var(--white); margin-bottom: var(--app-space-3); }
.c-level summary { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: var(--app-space-2); min-height: var(--app-tap); padding: var(--app-space-3) var(--app-space-5); cursor: pointer; font-weight: var(--app-label-weight); list-style: none; }
.c-level summary::-webkit-details-marker { display: none; }
.c-level summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; box-shadow: 0 0 0 5px var(--focus-gap), 0 0 0 6px var(--focus-hair); }
.c-level-title { display: inline-flex; align-items: center; gap: var(--app-space-2); }
.c-level-count { font-size: var(--app-caption-size); color: var(--ink-muted); font-variant-numeric: tabular-nums; }
.c-level-body { padding: 0 var(--app-space-5) var(--app-space-4); }
.c-locked { color: var(--ink-muted); }
.c-level.is-locked { background: transparent; }
.c-lessons { list-style: none; margin: 0; padding: 0; }
.c-lesson { display: flex; align-items: center; justify-content: space-between; gap: var(--app-space-3); min-height: 52px; padding: var(--app-space-2) var(--app-space-2); border-bottom: 1px solid var(--line); color: var(--ink); text-decoration: none; }
a.c-lesson:hover { background: color-mix(in srgb, var(--ink) 6%, transparent); }
.c-lesson.is-off { color: var(--ink-muted); }
.c-lesson.is-current { font-weight: var(--app-label-weight); background: color-mix(in srgb, var(--ink) 8%, transparent); }
.c-lesson-name { min-width: 0; overflow-wrap: anywhere; }
.c-lesson-meta { display: inline-flex; align-items: center; gap: var(--app-space-2); flex: none; font-size: var(--app-caption-size); color: var(--ink-muted); }
.c-invite { margin-top: var(--app-space-5); display: grid; gap: var(--app-space-3); justify-items: start; }
.c-invite p { margin: 0; }
.c-wall { margin-top: var(--app-space-5); }
/* Lekcia */
.c-lesson-layout { width: min(100% - 2 * var(--gutter), var(--maxw)); margin-inline: auto; display: grid; grid-template-columns: minmax(0,1fr); gap: var(--app-space-6); }
@media (min-width: 768px) { .c-main { max-width: 720px; width: 100%; margin-inline: auto; } .c-side { max-width: 720px; width: 100%; margin-inline: auto; } }
@media (min-width: 1200px) { .c-lesson-layout { grid-template-columns: minmax(0,720px) 320px; justify-content: space-between; align-items: start; } .c-main, .c-side { margin: 0; } .c-side { position: sticky; top: 100px; } }
.c-main { min-width: 0; }
.c-video { aspect-ratio: 16 / 9; width: 100%; border-radius: var(--radius-card); overflow: hidden; background: color-mix(in srgb, var(--ink) 8%, transparent); display: flex; align-items: center; justify-content: center; margin: var(--app-space-3) 0 var(--app-space-5); text-align: center; padding: var(--app-space-4); }
.c-video iframe { width: 100%; height: 100%; border: 0; }
.c-video p { margin: 0; color: var(--ink-muted); }
.c-video:has(iframe) { padding: 0; }
.c-text p { max-width: 66ch; }
.c-main h2 { margin-top: var(--app-space-6); }
.c-warn { margin: var(--app-space-4) 0; }
.c-warn p { margin-bottom: var(--app-space-1); }
.c-pain { color: var(--ink-muted); }
.c-done { display: inline-flex; align-items: center; gap: var(--app-space-2); font-weight: var(--app-label-weight); }
.c-main form .btn-primary { width: 100%; }
@media (min-width: 768px) { .c-main form .btn-primary { width: auto; min-width: 280px; } }
.c-pager { display: flex; flex-wrap: wrap; justify-content: space-between; gap: var(--app-space-3); margin: var(--app-space-6) 0 var(--app-space-4); }
.c-side h2 { font-size: var(--app-title-size); line-height: var(--app-title-line); }
/* Spätná väzba */
.c-feedback { max-width: 480px; margin-inline: auto; }
.c-answers, .c-paths { display: grid; gap: var(--app-space-3); margin: var(--app-space-5) 0; }
.c-answers .btn, .c-paths .btn { width: 100%; min-height: 64px; }
.c-ok { display: flex; align-items: flex-start; gap: var(--app-space-3); }
/* Profil */
.c-profile { margin-top: var(--app-space-5); }
.c-grid-profile { grid-template-columns: minmax(0,1fr); }