/* ============================================================
   Виджет Earthshots — интерактив «до / после» по мотивам
   USGS EROS Change Pair Game, встроенный прямо в конспект.
   Использует CSS-переменные темы сайта (см. assets/style.css).
   ============================================================ */
.earthshots-widget {
  margin: 32px 0;
  border: 1px solid var(--border);
  border-radius: 16px;
  background: var(--panel);
  box-shadow: var(--shadow);
  overflow: hidden;
}
.ew-head {
  padding: 14px 24px 12px;
  border-bottom: 1px solid var(--border);
  background: var(--panel-2);
}
.ew-head h4 { margin: 4px 0 4px; font-size: 18px; color: var(--text); }
.ew-head p { margin: 0; color: var(--muted); font-size: 14px; }

.ew-tabs {
  display: flex; flex-wrap: wrap; gap: 8px;
  padding: 14px 24px 0;
}
.ew-tab {
  cursor: pointer; font: inherit; font-weight: 600; font-size: 14.5px;
  padding: 8px 16px; border-radius: 999px 999px 0 0;
  border: 1px solid var(--border); border-bottom: none;
  background: transparent; color: var(--muted);
}
.ew-tab.active { background: var(--bg); color: var(--accent); border-color: var(--accent); }
.ew-tab:hover { color: var(--accent); }

.ew-panel { padding: 16px 24px 20px; }
.ew-panel[hidden] { display: none; }

.ew-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-bottom: 12px; }
.ew-btn {
  cursor: pointer; font: inherit; font-weight: 600; font-size: 14px;
  padding: 7px 14px; border-radius: 8px;
  border: 1px solid var(--border); background: var(--panel-2); color: var(--text);
}
.ew-btn:hover { border-color: var(--accent); color: var(--accent); }
.ew-btn.selected, .ew-btn.active {
  background: color-mix(in srgb, var(--accent) 16%, var(--panel-2));
  border-color: var(--accent); color: var(--accent);
}

.ew-quiz-images { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 14px; }
.ew-image-panel { flex: 1 1 220px; min-width: 180px; max-width: 320px; }
.ew-image-panel img {
  width: 100%; aspect-ratio: 4 / 3; max-height: 220px; object-fit: cover; border-radius: 10px;
  border: 1px solid var(--border); display: block; cursor: zoom-in;
}
.ew-image-label {
  text-align: center; font-family: ui-monospace, Consolas, monospace; font-size: 12.5px;
  color: var(--muted); margin-top: 6px;
}
.ew-quiz-question { text-align: center; margin-bottom: 14px; }
.ew-quiz-question h5 { margin: 0 0 4px; color: var(--text); font-size: 17px; }
.ew-quiz-question p { margin: 0; color: var(--muted); font-size: 14px; }

.ew-quiz-options { display: grid; grid-template-columns: repeat(2, 1fr); gap: 10px; margin-bottom: 14px; }
.ew-quiz-option {
  cursor: pointer; font: inherit; font-size: 14.5px; text-align: left;
  padding: 10px 14px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text);
}
.ew-quiz-option:hover:not(.disabled) { border-color: var(--accent); }
.ew-quiz-option.correct { border-color: var(--accent-2); color: var(--accent-2); background: color-mix(in srgb, var(--accent-2) 14%, var(--panel-2)); }
.ew-quiz-option.incorrect { border-color: var(--red); color: var(--red); background: color-mix(in srgb, var(--red) 14%, var(--panel-2)); }
.ew-quiz-option.disabled { cursor: default; pointer-events: none; }

.ew-feedback {
  padding: 12px 16px; border-radius: 10px; border: 1px solid var(--border);
  background: var(--panel-2); margin-bottom: 10px;
}
.ew-feedback.correct { border-color: var(--accent-2); }
.ew-feedback.incorrect { border-color: var(--red); }
.ew-feedback p { margin: 4px 0; font-size: 14.5px; }
.ew-feedback[hidden] { display: none; }

.ew-quiz-results { text-align: center; padding: 10px 0; }
.ew-quiz-results[hidden] { display: none; }

.ew-gallery-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px;
}
.ew-gallery-item {
  border: 1px solid var(--border); border-radius: 12px; overflow: hidden; background: var(--panel-2);
}
.ew-gallery-images { display: flex; cursor: zoom-in; }
.ew-gallery-images img { width: 50%; aspect-ratio: 4 / 3; object-fit: cover; display: block; }
.ew-gallery-info { padding: 10px 12px; }
.ew-gallery-info h5 { margin: 0 0 4px; font-size: 14.5px; color: var(--text); }
.ew-gallery-info p { margin: 0 0 6px; font-size: 13px; color: var(--muted); }
.ew-gallery-years { display: flex; gap: 10px; font-size: 12px; color: var(--muted); font-family: ui-monospace, Consolas, monospace; }

.ew-credit { padding: 12px 24px 18px; margin: 0; font-size: 12.5px; color: var(--muted); border-top: 1px solid var(--border); }

@media (max-width: 640px) {
  .ew-quiz-options { grid-template-columns: 1fr; }
}

/* ---------- Лайтбокс (увеличенный просмотр пары) ---------- */
.ew-lightbox {
  position: fixed; inset: 0; z-index: 300;
  background: rgba(6, 10, 18, .82);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.ew-lightbox[hidden] { display: none; }
.ew-lightbox-card {
  background: var(--panel); border: 1px solid var(--border); border-radius: 14px;
  max-width: 960px; width: 100%; max-height: 90vh; overflow: auto;
  padding: 18px 20px 20px;
}
.ew-lightbox-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 10px; }
.ew-lightbox-head h5 { margin: 0; font-size: 17px; color: var(--text); }
.ew-lightbox-close {
  cursor: pointer; font: inherit; font-size: 13px; font-weight: 600;
  padding: 6px 12px; border-radius: 8px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--muted); flex: none;
}
.ew-lightbox-close:hover { color: var(--accent); border-color: var(--accent); }
.ew-lightbox-images { display: flex; gap: 14px; flex-wrap: wrap; }
.ew-lightbox-images figure { flex: 1 1 320px; min-width: 240px; margin: 0; }
.ew-lightbox-images img {
  width: 100%; aspect-ratio: 4 / 3; object-fit: cover; border-radius: 10px; border: 1px solid var(--border); display: block;
}
.ew-lightbox-images figcaption {
  text-align: center; font-family: ui-monospace, Consolas, monospace; font-size: 12.5px; color: var(--muted); margin-top: 6px;
}
.ew-lightbox-desc { margin: 14px 0 0; color: var(--text); font-size: 14.5px; }