.content-page { padding-bottom: 40px; }
.content-page[hidden] { display: none; }
.content-page .lessons-heading { margin-bottom: 28px; }
.content-page .lessons-heading p { margin-top: 7px; color: var(--muted); font-size: 1rem; line-height: 1.7; max-width: 670px; }
.content-page .lessons-filters { display: grid; grid-template-columns: minmax(220px, 1.4fr) repeat(2, minmax(0, 1fr)); gap: 20px; margin-bottom: 24px; padding: 24px; }
.content-page .lessons-filters > div { min-width: 0; }
.content-page label { display: block; margin-bottom: 9px; font-size: .875rem; font-weight: 600; color: #40564b; }
.content-page input, .content-page select { width: 100%; min-width: 0; height: 48px; border: 1px solid #dce5df; border-radius: 9px; background: #fcfdfc; color: var(--ink); font: inherit; font-size: 1rem; padding: 10px 12px; }
.content-page input::placeholder { color: #758178; opacity: 1; }
.content-page input:focus-visible, .content-page select:focus-visible { outline: 3px solid #6495e6; outline-offset: 2px; }
.content-page select:disabled { background: #f5f7f5; color: #738076; opacity: 1; cursor: default; }
.content-page .lessons-search-input { position: relative; }
.content-page .lessons-search-input .icon { position: absolute; left: 14px; top: 14px; color: #6b7f72; pointer-events: none; }
.content-page .lessons-search-input input { padding-left: 43px; }
.content-page .lessons-clear { grid-column: 1 / -1; justify-self: start; margin: -2px 0 0; min-height: 32px; font-size: .875rem; }
.content-page [hidden] { display: none !important; }
.content-page .lessons-catalog { padding: 0; overflow: hidden; }
.content-page .lessons-catalog-heading { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 24px 28px; border-bottom: 1px solid var(--line); }
.content-page .lessons-catalog-heading h2 { font-size: 1rem; }
.content-page .lessons-catalog-heading > span { display: flex; color: #718775; }
.content-page .lessons-empty { display: flex; flex-direction: column; align-items: center; text-align: center; padding: 66px 24px 72px; }
.content-page .lessons-empty-icon { display: grid; place-items: center; width: 80px; height: 80px; border: 1px solid #dfe9dc; border-radius: 24px; background: #f0f6ea; color: #50744a; margin-bottom: 25px; }
.content-page .lessons-empty-icon .icon { width: 32px; height: 32px; margin-left: 3px; }
.content-page .lessons-empty h2 { font-size: 1.375rem; letter-spacing: -.5px; line-height: 1.45; margin-bottom: 12px; }
.content-page .lessons-empty p { max-width: 440px; color: var(--muted); font-size: 1rem; line-height: 1.8; }
.content-page .lessons-status-guide { display: flex; align-items: center; justify-content: center; gap: 20px; flex-wrap: wrap; border-top: 1px solid var(--line); background: #fcfdfc; padding: 20px 24px; }
.content-page .lessons-status-guide > span { color: #6c7a70; font-size: .875rem; }
.content-page .lessons-status-guide ul { display: flex; gap: 10px; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; }
.content-page .lesson-status { display: inline-flex; align-items: center; gap: 5px; border-radius: 6px; padding: 6px 10px; font-size: .875rem; line-height: 1.4; }
.content-page .lesson-status--not-started { background: #eff2f0; color: #596b60; }
.content-page .lesson-status--in-progress { background: #f8f0e2; color: #816332; }
.content-page .lesson-status--completed { background: #eaf3e6; color: #41663a; }
.content-page .lesson-status .icon { width: 15px; height: 15px; }
.content-page .lessons-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 20px; padding: 24px; }
.content-page .lesson-card { display: flex; flex-direction: column; gap: 14px; padding: 22px; border: 1px solid var(--line); border-radius: 12px; min-width: 0; }
.content-page .lesson-card h3 { font-size: 1.125rem; line-height: 1.5; overflow-wrap: anywhere; }
.content-page .lesson-discipline { color: var(--green); font-size: .875rem; font-weight: 600; }
.content-page .lesson-topic { color: var(--muted); font-size: 1rem; line-height: 1.6; }
.content-page .lesson-card-meta { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 12px; font-size: .875rem; margin-top: auto; }
@media (max-width: 1100px) {
  .content-page .lessons-filters { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .content-page .lessons-search-field { grid-column: 1 / -1; }
  .content-page .lessons-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .content-page .lessons-heading { margin-bottom: 22px; }
  .content-page .lessons-filters { grid-template-columns: minmax(0, 1fr); padding: 20px; gap: 18px; margin-bottom: 20px; }
  .content-page .lessons-catalog-heading { padding: 20px; }
  .content-page .lessons-empty { padding: 44px 20px 48px; }
  .content-page .lessons-empty h2 { font-size: 1.25rem; }
  .content-page .lessons-status-guide { align-items: flex-start; justify-content: flex-start; gap: 12px; padding: 20px; }
  .content-page .lessons-status-guide > span { width: 100%; }
  .content-page .lessons-status-guide ul { gap: 8px; }
  .content-page .lessons-list { grid-template-columns: minmax(0, 1fr); padding: 20px; }
}