/* =========================================================
   KidsDigitaal Oefeningoverzicht — Scoped CSS
   Scope: body.kd-oefening-page / .kd-oefening-page
   ========================================================= */

/* === OEFENING PAGINA: Verberg header/footer === */
body.single-kd_oefening .site-header,
body.single-kd_oefening header,
body.single-kd_oefening .site-footer,
body.single-kd_oefening footer,
body.single-kd_oefening [class*="header"],
body.single-kd_oefening [class*="footer"],
body.single-kd_oefening [data-device] {
    display: none !important;
}
/* Herstel de zichtbaarheid van de les-specifieke header */
body.single-kd_oefening .lesson-header {
    display: flex !important;
}


/* Variabelen scoped */
body.kd-oefening-page {
  --lp-primary: var(--color-primary, #4BADFF);
  --lp-primary-strong: var(--color-primary-dark, #329be0);
  --lp-text: var(--color-text, #1e2933);
  --lp-muted: #5b7084;
  --lp-line: #e6eef4;
  --lp-card-shadow: 0 8px 28px rgba(75, 173, 255, 0.12);
  --lp-radius: 16px;
  --lp-bg: #ffffff;
  --hero-media-height: 220px;
  --hero-media-height-mobile: 160px;
}

/* Box sizing alleen binnen oefeningpagina */
.kd-oefening-page *,
.kd-oefening-page *::before,
.kd-oefening-page *::after { box-sizing: border-box; }

/* =========================================================
   Modal (Uitleg & Werkblad)
   ========================================================= */
.kd-oefening-page .modal-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(10, 18, 32, 0.24);
  backdrop-filter: blur(3px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 18px;
  z-index: 2000;
  overflow-y: auto;
  visibility: hidden;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease, visibility 0.35s ease;
}

.kd-oefening-page .modal-backdrop.is-open {
  visibility: visible;
  opacity: 1;
  pointer-events: auto;
}

.kd-oefening-page .modal {
  background: #ffffff;
  border-radius: 18px;
  width: 95%; 
  max-width: 80%; 
  max-height: 90vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transform: translateY(16px) scale(0.98);
  opacity: 0;
  transition: transform 0.35s cubic-bezier(0.22, 1, 0.36, 1), opacity 0.35s ease;
}

.kd-oefening-page .modal-backdrop.is-open .modal {
  transform: translateY(0) scale(1);
  opacity: 1;
}

.kd-oefening-page .modal-top {
  display: flex;
  justify-content: flex-end;
  padding: 12px 14px 6px;
  position: sticky;
  top: 0;
  z-index: 3;
  background: linear-gradient(180deg, #ffffff 70%, rgba(255, 255, 255, 0.9));
}

.kd-oefening-page .modal-close {
  margin: 0 4px 8px 0;
  width: 43px;
  height: 40px;
  border: 1px solid rgba(0, 0, 0, 0.05);
  border-radius: 10px;
  background: #fff;
  box-shadow: 0 3px 1px rgba(0, 0, 0, 0.08);
  color: #4b5c70;
  font-weight: 700;
  font-size: 1.4rem;
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease;
}

.kd-oefening-page .modal-close:hover { background: #f4f8fc; }
.kd-oefening-page .modal-close:active {
  transform: translateY(1px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06);
}

.kd-oefening-page .modal-body {
  padding: 0; 
  overflow: auto;
  display: block;
  font-family: "Baloo 2", "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: rgba(75, 75, 75, 1);
  background: #fff;
}

/* === SPECIFIEKE UITLEG STYLING (AANGEPAST: Blokken losser, lijst strak) === */

/* Container styling */
.kd-oefening-page .modal-body .text-container {
    padding-left: 100px;
    padding-right: 100px;
    padding-top: 10px;    
    padding-bottom: 30px;
    background: #fff;
}

/* Hoofdtitel (Groen) */
.kd-oefening-page .modal-body h3 { 
    margin-top: 32px;     /* AANGEPAST: Terug naar meer ruimte voor blokscheiding */
    margin-bottom: 8px;   
    font-size: 1.4rem;
    color: #2c3e50;
    font-weight: 600;
    line-height: 1.2;
}

/* Eerste titel bovenaan pagina mag iets minder ruimte hebben */
.kd-oefening-page .modal-body h3:first-child {
    margin-top: 10px;
}

/* Subtitel tekst */
.kd-oefening-page .modal-body .subtitle-text {
    color: #808080;
    font-size: 1.1rem;
    font-weight: 400;
    margin-bottom: 24px;  
    text-align: center; 
    letter-spacing: 0.03em;
}

/* Koppen (H4) */
.kd-oefening-page .modal-body h4 { 
    letter-spacing: 0.03em;
    color: rgba(75,75,75, 1); 
    font-size: 1.2rem;
    margin-top: 28px;     /* AANGEPAST: Ruimte boven kopjes vergroot */
    margin-bottom: 8px;   
    font-weight: 700;
}

/* Paragrafen */
.kd-oefening-page .modal-body p {
    margin-top: 0;
    margin-bottom: 10px;   /* Ietsje luchtiger dan 6px voor leesbaarheid */
    letter-spacing: normal;
    line-height: 1.45;
}

/* Lijsten - Specifiek strak gehouden */
.kd-oefening-page .modal-body ul { 
    margin-top: 0px;      /* BLIJFT 0: Zodat lijst aan de intro-zin plakt */
    margin-bottom: 3px;  /* Ruimte onder de lijst voordat nieuwe tekst begint */
    padding-left: 18px; 
}

.kd-oefening-page .modal-body li { 
    padding-bottom: 4px;  /* Compacte witruimte binnen de lijst */
    letter-spacing: normal;
    line-height: 1.45;
}

/* Afbeelding Container (Grijs vlak) */
.kd-oefening-page .modal-body .image-container {
    background-color: rgba(249,249,249, 1);
    padding-top: 30px; 
    padding-bottom: 20px;
    text-align: center; 
    margin-bottom: 16px; 
    border-radius: 30px;
    width: 100%;
}

.kd-oefening-page .modal-body .image-container img {
    display: block;
    max-width: 70%;
    height: auto;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 16px;
}

/* --- RESPONSIVE MODAL STYLING --- */
@media (max-width: 768px) {
    .kd-oefening-page .modal-body .text-container {
        padding-left: 30px;
        padding-right: 30px;
    }

    .kd-oefening-page .modal-body h3 {
        text-align: left;
        font-size: 1.5rem;
    }

    .kd-oefening-page .modal-body .subtitle-text {
        text-align: left;
    }

    .kd-oefening-page .modal-body .image-container img {
        max-width: 90%;
    }
}

@media (max-width: 480px) {
    .kd-oefening-page .modal-body .text-container {
        padding-left: 20px;
        padding-right: 20px;
    }
}

/* =========================================================
   Werkblad Specifieke Styling
   ========================================================= */
.kd-oefening-page .worksheet-body { align-items: center; justify-items: center; text-align: center; padding: 0 20px 20px; }
.kd-oefening-page .worksheet-title { font-size: 1.1rem; font-weight: 600; margin: 6px 0 4px; color: #1e2933; }
.kd-oefening-page .worksheet-preview {
  background: rgba(249,249,249,1);
  border-radius: 18px;
  padding: 18px 14px;
  max-width: 520px;
  width: min(90vw, 520px);
  margin: 8px auto 14px;
}
.kd-oefening-page .worksheet-preview canvas { width: 80%; height: auto; display: block; margin: 0 auto; }
.kd-oefening-page .worksheet-desc { color: #606f7b; margin: 6px 0 14px; max-width: 680px; line-height: 1.5; }
.kd-oefening-page .worksheet-buttons { justify-content: center; gap: 14px; margin-bottom: 6px; display: flex; }
.kd-oefening-page .worksheet-buttons a { 
    min-width: 150px; 
    text-decoration: none; 
    font-weight: 600; 
    padding: 12px; 
    border-radius: 15px; 
    border: 2px solid rgb(179, 229, 255);
    color: black;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* =========================================================
   Page Base & Layout
   ========================================================= */
body.kd-oefening-page {
  margin: 0;
  font-family: "SF Pro Display", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--lp-bg);
  color: var(--lp-text);
  opacity: 0;
  animation: pageFadeIn 0.4s ease forwards;
}

body.kd-oefening-page.dropdown-open { overflow: hidden; position: fixed; inset: 0; width: 100%; }

@keyframes pageFadeIn { from { opacity: 0; } to { opacity: 1; } }

.kd-oefening-page .visually-hidden {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}

@media (prefers-reduced-motion: reduce) {
  body.kd-oefening-page, .kd-oefening-page .main-container { animation: none; opacity: 1; transform: none; }
}

.kd-oefening-page .main-container {
  display: flex; width: 100%; min-height: 100vh; background: var(--lp-bg);
  opacity: 1; transform: none; animation: none; transition: opacity 0.5s ease;
}

.kd-oefening-page .page-exit .main-container { transform: translateX(24px); opacity: 0; }

.kd-oefening-page .back-link-bar {
  position: sticky; top: 0; z-index: 15;
  background: linear-gradient(180deg, #ffffff 80%, rgba(255, 255, 255, 0.9));
  padding: 10px 16px 6px;
}

.kd-oefening-page .back-link {
  display: inline-flex; gap: 5px; align-items: center; color: #111;
  text-decoration: none; font-weight: 500; font-size: 0.9rem; cursor: pointer; padding: 5px 5px;
}
.kd-oefening-page .back-link svg { width: 18px; height: 18px; fill: none; stroke: currentColor; stroke-width: 2; }

.kd-oefening-page .main-content-fixed { flex: 1 1 0%; min-width: 0; }
.kd-oefening-page .content-container { max-width: 1200px; margin: 0 auto; padding: 10px 16px 24px; width: 100%; }

.kd-oefening-page .lesson-page {
  background: #ffffff; display: flex; flex-direction: column; border: 1px solid var(--lp-line);
  border-radius: 18px; padding: 16px; box-shadow: 0 10px 30px rgba(75, 173, 255, 0.08);
}

.kd-oefening-page .lesson-hero {
  background: #fff; border-radius: var(--lp-radius); overflow: hidden; box-shadow: none; border: none;
  margin: -16px; width: calc(100% + 32px); margin-bottom: 0;
}

/* HERO MEDIA */
.kd-oefening-page .hero-media {
  position: relative; 
  height: 220px; 
  background: linear-gradient(#fff);
  background-repeat: no-repeat; 
  background-size: contain; 
  background-position: center center; 
  overflow: hidden;
  isolation: isolate;
}

.kd-oefening-page .lesson-header { padding: 18px 20px 10px; display: flex; flex-direction: column; gap: 5px; }
.kd-oefening-page .lesson-title { font-size: 1.75rem; line-height: 1.25; margin: 0; letter-spacing: 0.01em; }
.kd-oefening-page .lesson-meta {
  margin: 0; font-size: 0.9rem; color: var(--lp-muted); display: inline-flex;
  gap: 20px; align-items: center; flex-wrap: wrap;
}

.kd-oefening-page .pill-label {
  display: inline-flex; align-items: center; gap: 6px; padding: 6px 0px 7px;
  border-radius: 999px; font-weight: 700; font-size: 0.78rem; letter-spacing: 0.01em;
  color: #4b5c70; line-height: 1.1;
}
.kd-oefening-page .pill-label .tag-icon { width: 2.2em; height: 2.2em; display: inline-block; object-fit: contain; margin-right: 0px; flex-shrink: 0; }
.kd-oefening-page .lesson-meta .meta-note { color: var(--lp-muted); }
.kd-oefening-page .lesson-subtitle { margin: 10px 0 0; color: var(--lp-text); font-size: 1rem; line-height: 1.45; }

.kd-oefening-page .cta-primary {
  min-width: 200px; max-width: 400px; border: none; background-color: #0099FF; color: #fff;
  font-weight: 600; font-size: 16px; padding: 12px 10px; border-radius: 15px; cursor: pointer;
  display: flex; align-items: center; justify-content: center; gap: 10px; text-align: center;
  text-decoration: none; box-shadow: inset 0 -4px 0 rgba(0, 122, 204, 0.4);
  transition: transform 0.1s ease, box-shadow 0.15s ease, background-color 0.2s ease;
  margin-left: 0; margin-top: 10px;
}
.kd-oefening-page .cta-primary:hover { background-color: #008ae5; }
.kd-oefening-page .cta-primary:active { transform: translateY(2px); box-shadow: none; }
.kd-oefening-page .cta-primary .cta-icon {
  height: 28px; border-radius: 50%; background: none; display: inline-flex; align-items: center;
  justify-content: center; flex: 0 0 28px;
}
.kd-oefening-page .cta-primary .cta-icon::after {
  content: ""; display: block; width: 0; height: 0; border-top: 9px solid transparent;
  border-bottom: 9px solid transparent; border-left: 16px solid #ffffff; margin-left: 1px;
}
.kd-oefening-page .cta-primary .cta-label { flex: 0 0 auto; text-align: center; white-space: nowrap; }

.kd-oefening-page .hero-actions { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 10px 0 25px; }
.kd-oefening-page .hero-action {
  text-align: center; color: var(--lp-muted); font-weight: 600; font-size: 0.75rem; text-decoration: none;
  display: flex; flex-direction: column; gap: 6px; align-items: center; padding: 8px 6px;
  border-radius: 12px; transition: background 0.2s ease, color 0.2s ease; position: relative;
  overflow: visible; isolation: isolate;
}
.kd-oefening-page .hero-action:hover { background: #f0f6fc; color: var(--lp-text); }
.kd-oefening-page .hero-action.is-fav svg { color: #f5b50a; }
.kd-oefening-page .hero-action svg { width: 28px; height: 28px; stroke: currentColor; fill: none; stroke-width: 2; color: #1f2d3d; }

/* Splatter */
.kd-oefening-page .splatter-piece {
  position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%) rotate(var(--rot, 0deg)) scale(0.6);
  pointer-events: none; width: 12px; height: 12px;
  animation: favSplatter 5s cubic-bezier(.2,.8,.2,1) forwards;
  filter: drop-shadow(0 2px 2px rgba(0, 0, 0, 0.14)); opacity: 0.95; z-index: 1;
}
.kd-oefening-page .splatter-round { background: var(--splatter-color, #1da5ff); border-radius: 999px; }
.kd-oefening-page .splatter-square { background: var(--splatter-color, #0c6bc2); }
.kd-oefening-page .splatter-ring { background: transparent; border: 3px solid var(--splatter-color, #0099e6); border-radius: 50%; }
.kd-oefening-page .splatter-star {
  background: var(--splatter-color, #006dd0);
  clip-path: polygon(50% 0, 61% 35%, 98% 35%, 68% 57%, 79% 91%, 50% 70%, 21% 91%, 32% 57%, 2% 35%, 39% 35%);
}
@keyframes favSplatter {
  0% { opacity: 1; transform: translate(-50%, -50%) rotate(var(--rot, 0deg)) scale(0.6); }
  70% { opacity: 1; }
  100% { opacity: 0; transform: translate(calc(-50% + var(--tx, 0px)), calc(-50% + var(--ty, 0px))) rotate(var(--rot, 0deg)) scale(0); filter: blur(1px); }
}

/* Tabs */
.kd-oefening-page .lesson-tabs {
  display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); background: #fff;
  border-radius: var(--lp-radius); padding: 0 12px 6px; box-shadow: none; gap: 0px;
}
.kd-oefening-page .lesson-tab {
  border: none; background: transparent; padding: 10px 8px 8px; font-weight: 600; font-size: 0.9rem;
  color: var(--lp-muted); cursor: pointer; border-top: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease; border-color: #d8d8d8;
}
.kd-oefening-page .lesson-tab.active { color: var(--lp-text); border-top: 3px solid transparent; border-color: var(--lp-primary); }
.kd-oefening-page .tab-panel { display: none; padding: 10px 10px 35px 10px; }
.kd-oefening-page .tab-panel.active { display: block; }
@media (max-width: 640px) { .kd-oefening-page .tab-panel { padding: 10px 0px 0px 0px; } }

/* Filter bar + Dropdown */
.kd-oefening-page .filter-bar {
  display: flex; align-items: center; gap: 5px; background: #fff;
  border-radius: 14px; padding: 0px 14px 20px; border: none; box-shadow: none;
}
.kd-oefening-page .filter-label { font-weight: 700; color: var(--lp-text); font-size: 0.98rem; }
.kd-oefening-page .filter-select { position: relative; flex: 1 1 0%; max-width: 450px; }
.kd-oefening-page .dropdown-toggle {
  width: 100%; padding: 15px 44px 15px 14px; border-radius: 12px; border: 1px solid #d5e3f0;
  background: linear-gradient(120deg, #ffffff 10%, #f6fbff 1100%); font-weight: 600;
  font-size: 1rem; line-height: 1.2; color: var(--lp-text); cursor: pointer; text-align: left;
  display: flex; align-items: center; gap: 10px; transition: border-color 0.1s ease, box-shadow 0.2s ease;
  position: relative; box-shadow: 0 0 0px 0px rgba(75, 173, 255, 0.2);
}
.kd-oefening-page .dropdown-toggle:focus-visible { outline: none; border-color: var(--lp-primary); box-shadow: 0 0 0 3px rgba(75, 173, 255, 0.2); }
.kd-oefening-page .dropdown-toggle svg {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%) rotate(0deg);
  width: 18px; height: 18px; pointer-events: none; stroke: var(--lp-muted); stroke-width: 2; fill: none; transition: transform 0.2s ease;
}
.kd-oefening-page .dropdown-toggle[aria-expanded="true"] svg { transform: translateY(-50%) rotate(180deg); }

.kd-oefening-page .dropdown-menu {
  position: fixed; left: 50%; top: 12vh; background: rgba(255, 255, 255, 1);
  border: 1px solid rgba(213, 227, 240, 0.6); border-radius: 16px;
  box-shadow: 0 30px 90px rgba(15, 36, 64, 0.22); display: none;
  flex-direction: column; justify-content: flex-start; width: min(820px, 95vw);
  max-height: 70vh; z-index: 9999; backdrop-filter: blur(10px); opacity: 0;
  transform: translate(-50%, -12px) scale(0.96); transition: opacity 0.18s ease, transform 0.18s ease;
  min-height: 60vh; overflow: hidden; pointer-events: none;
}
.kd-oefening-page .dropdown-menu.open { display: flex; animation: dropdownIn 0.14s ease-out forwards; transform-origin: top center; min-height: 60vh; pointer-events: auto; }
.kd-oefening-page .dropdown-menu.is-centered { justify-content: center; }
.kd-oefening-page .dropdown-header {
  position: sticky; top: 0; display: flex; justify-content: flex-end;
  padding: 6px 12px 4px; background: linear-gradient(180deg, rgba(255,255,255,1) 70%, rgba(255,255,255,0.85)); z-index: 3;
}
.kd-oefening-page .dropdown-list {
  list-style: none; margin: 0; padding: 8px 12px 18px; display: flex;
  flex-direction: column; gap: 0px; flex: 1; overflow-y: auto; overflow-x: hidden;
  scroll-snap-type: y mandatory; -webkit-overflow-scrolling: touch; position: relative;
}
.kd-oefening-page .dropdown-menu.is-centered .dropdown-list { justify-content: center; }
.kd-oefening-page .dropdown-list li {
  padding: 16px 14px; border-radius: 14px; cursor: pointer; font-weight: 500;
  color: var(--lp-text); transition: background 0.15s ease, transform 0.12s ease, opacity 0.12s ease;
  scroll-snap-align: center; opacity: 0.78; text-align: center; font-size: 0.9rem; letter-spacing: 0.01em;
}
/* Active state fallback als JS style niet pakt */
.kd-oefening-page .dropdown-list li[aria-selected="true"] {
  background: linear-gradient(135deg, rgba(75, 173, 255, 0.12), rgba(0, 153, 255, 0.08));
  color: #006dd0; transform: scale(1.15); opacity: 1;
}
.kd-oefening-page .dropdown-list li.is-near { opacity: 0.9; transform: scale(1.02); }
.kd-oefening-page .dropdown-list li.is-far { opacity: 0.85; }
.kd-oefening-page .dropdown-list li:hover { background: #f1f6fb; }
.kd-oefening-page .dropdown-list li:active { transform: translateY(1px); }
.kd-oefening-page .dropdown-list::before, .kd-oefening-page .dropdown-list::after { content: ""; position: sticky; display: block; height: 22px; margin: -6px -6px 4px; pointer-events: none; z-index: 1; }
.kd-oefening-page .dropdown-list::after { margin: 4px -6px -6px; background: linear-gradient(0deg, rgba(255,255,255,1), rgba(255,255,255,0)); }
.kd-oefening-page .dropdown-close {
  position: sticky; top: 8px; align-self: flex-end; margin: 0 0px 8px 0; width: 43px; height: 40px;
  border: 1px solid rgba(0, 0, 0, 0.05); border-radius: 10px; background: #fff;
  box-shadow: 0 3px 1px rgba(0, 0, 0, 0.08); color: #4b5c70; font-weight: 700;
  font-size: 1.4rem; cursor: pointer; display: grid; place-items: center;
  transition: transform 0.12s ease, box-shadow 0.12s ease, background 0.12s ease; z-index: 2;
}
.kd-oefening-page .dropdown-close:hover { background: #f4f8fc; }
.kd-oefening-page .dropdown-close:active { transform: translateY(1px); box-shadow: 0 4px 10px rgba(0, 0, 0, 0.06); }
@keyframes dropdownIn { from { opacity: 0; transform: translate(-50%, -10px) scale(0.98); } to { opacity: 1; transform: translate(-50%, 0) scale(1); } }
.kd-oefening-page .dropdown-overlay { position: fixed; inset: 0; background: rgba(10, 18, 32, 0.24); backdrop-filter: blur(3px); opacity: 0; pointer-events: none; transition: opacity 0.12s ease; z-index: 9998; }
.kd-oefening-page .dropdown-overlay.open { opacity: 1; pointer-events: auto; }

/* Lists/cards */
.kd-oefening-page .exercise-list { display: flex; flex-direction: column; gap: 14px; }
.kd-oefening-page #tab-werkbladen .exercise-list { gap: 28px; }
.kd-oefening-page #tab-werkbladen .bundle { border-radius: 16px; padding: 14px 18px 20px; display: grid; gap: 0px; }
.kd-oefening-page #tab-werkbladen .lesson-card > .bundle { margin-bottom: 32px; }
.kd-oefening-page #tab-werkbladen .lesson-card > .bundle:last-child { margin-bottom: 0; }
.kd-oefening-page #tab-werkbladen .bundle .exercise-card { margin: 0; box-shadow: none; background: transparent; padding: 15px 1px; }
.kd-oefening-page #tab-werkbladen .bundle-title {
  margin: 0 0 6px 0; font-size: 0.95rem; font-weight: 500; color: #808080;
  display: flex; align-items: center; justify-content: center; gap: 10px; text-align: center;
}
.kd-oefening-page #tab-werkbladen .bundle-title::before, .kd-oefening-page #tab-werkbladen .bundle-title::after { content: ""; flex: 1 1 0; height: 1px; background: #e1e1e1; }
.kd-oefening-page .category-filter-btn { font-size: 0.80rem; }
.kd-oefening-page .filters-wrapper { position: static; width: auto; margin: 0 0 10px 0; box-shadow: none; border-bottom: none; }
.kd-oefening-page .filters-wrapper::after { display: none; }
.kd-oefening-page #tab-werkbladen .category-filters { flex-wrap: wrap; overflow: visible; padding-left: 0; padding-right: 0; }

/* Exercise Cards standard */
.kd-oefening-page .exercise-card { background: #fff; border-radius: 14px; padding: 10px 16px; display: flex; gap: 14px; align-items: center; }
.kd-oefening-page .exercise-card.is-locked { pointer-events: auto; cursor: default; filter: none; }
.kd-oefening-page .exercise-card.is-locked .exercise-icon, .kd-oefening-page .exercise-card.is-locked .exercise-copy { pointer-events: none; }
.kd-oefening-page .exercise-card.is-locked .exercise-tags, .kd-oefening-page .exercise-card.is-locked .super-tag { pointer-events: auto; cursor: pointer; }
.kd-oefening-page .exercise-card.is-locked .exercise-icon { opacity: 0.5; }

.kd-oefening-page .exercise-icon { position: relative; width: 70px; height: 66px; flex: 0 0 70px; cursor: pointer; transform: translateZ(0); transition: filter 250ms; overflow: visible; }
.kd-oefening-page .exercise-icon .shadow { position: absolute; inset: 0; border-radius: 50%; background: hsl(0deg 0% 0% / 0.25); will-change: transform; transform: translateY(2px); transition: transform 600ms cubic-bezier(0.3, 0.7, 0.4, 1); }
.kd-oefening-page .exercise-icon .edge { position: absolute; inset: 0; border-radius: 50%; background: linear-gradient(to left, hsl(200deg 60% 35%) 0%, hsl(200deg 60% 45%) 8%, hsl(200deg 60% 45%) 92%, hsl(200deg 60% 35%) 100%); }
.kd-oefening-page .exercise-icon .front { position: absolute; inset: 0; display: flex; align-items: center; justify-content: center; border-radius: 50%; background: #4BADFF; color: #fff; transform: translateY(-4px); transition: transform 600ms cubic-bezier(0.3, 0.7, 0.4, 1); overflow: hidden; }
.kd-oefening-page .exercise-icon .front img { max-width: 70%; max-height: 70%; border-radius: 50%; object-fit: cover; display: block; }
.kd-oefening-page .exercise-card:hover .exercise-icon { filter: brightness(110%); }
.kd-oefening-page .exercise-card:hover .exercise-icon .front { transform: translateY(-6px); transition: transform 250ms cubic-bezier(0.3, 0.7, 0.4, 1.5); }
.kd-oefening-page .exercise-card:active .exercise-icon .front { transform: translateY(-2px); transition: transform 34ms; }
.kd-oefening-page .exercise-card:hover .exercise-icon .shadow { transform: translateY(4px); transition: transform 250ms cubic-bezier(0.3, 0.7, 0.4, 1.5); }
.kd-oefening-page .exercise-card:active .exercise-icon .shadow { transform: translateY(1px); transition: transform 34ms; }

.kd-oefening-page .exercise-copy { display: flex; flex-direction: column; gap: 0px; margin-left: 10px; }
.kd-oefening-page .exercise-title { margin: 0px; font-size: 1.15rem; font-weight: 600; color: var(--lp-text); }
.kd-oefening-page .exercise-desc { margin: 0; color: var(--lp-muted); font-size: 0.97rem; line-height: 1.4; }
.kd-oefening-page .exercise-meta { margin: 0; color: #8396a8; font-size: 0.92rem; font-weight: 700; display: flex; gap: 8px; align-items: center; }
.kd-oefening-page .exercise-meta span { display: inline-flex; align-items: center; gap: 6px; }
.kd-oefening-page .dot { width: 5px; height: 5px; background: #c4d0db; border-radius: 999px; display: inline-block; }
.kd-oefening-page .exercise-tags { display: flex; flex-wrap: wrap; gap: 15px; margin: 0px 0 7px; cursor: pointer; }
.kd-oefening-page .exercise-tags span, .kd-oefening-page .exercise-tag { display: inline-flex; align-items: center; padding: 5px 0px 0px; border-radius: 999px; color: #4b5c70; font-weight: 500; font-size: 0.78rem; letter-spacing: 0.01em; line-height: 1.1; }
.kd-oefening-page .exercise-tags .tag-icon, .kd-oefening-page .exercise-tag .tag-icon { width: 1.8em; height: 1.8em; display: inline-block; object-fit: contain; margin-right: 6px; flex-shrink: 0; }
.kd-oefening-page .exercise-tags span.super-tag, .kd-oefening-page .exercise-tag.super-tag { display: inline-flex; align-items: center; gap: 6px; position: relative; z-index: 0; background: linear-gradient(135deg, #167BE3 0%, #42A7FF 100%); border: none; color: #fff; padding: 6px 12px; border-radius: 999px; font-weight: 600; letter-spacing: 0.01em; }

/* =========================================================
   MEER ZOALS DIT (Layout grid)
   ========================================================= */
.kd-oefening-page #tab-meer .cards-track { width: 100%; }
.kd-oefening-page #tab-meer .oefeningen-kaarten { 
  display: flex; flex-wrap: wrap; gap: 20px; padding: 10px 0; justify-content: flex-start; overflow: visible; 
}

.kd-oefening-page #tab-meer .oefening-kaart {
  position: relative; width: calc(25% - 15px); aspect-ratio: 1.4 / 1; min-width: 220px;
}

/* =========================================================
   Responsive Overrides
   ========================================================= */
@media (max-width: 900px) {
  .kd-oefening-page #tab-meer .oefening-kaart { width: calc(50% - 10px); }
}

@media (max-width: 820px) {
  .kd-oefening-page .content-container { padding: 8px 12px 20px; }
  .kd-oefening-page .lesson-title { font-size: 1.55rem; }
  .kd-oefening-page .hero-actions { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .kd-oefening-page .lesson-tabs { grid-template-columns: 1fr 1fr 1fr; }
}

@media (min-width: 1440px) {
  .kd-oefening-page .content-container { max-width: 1280px; }
}

@media (max-width: 640px) {
  .kd-oefening-page .content-container { max-width: none; width: 100%; padding: 0 0 16px; }
  .kd-oefening-page .lesson-page { border-left: 0; border-right: 0; border-radius: 0; box-shadow: none; padding: 12px; border:0; }
  .kd-oefening-page .lesson-hero { border-radius: 0; margin: -12px; width: calc(100% + 24px); }
  .kd-oefening-page .cta-primary { width: 100%; max-width: none; font-size: 0.8rem; }
  .kd-oefening-page .lesson-header { padding: 16px 16px 8px; }
  .kd-oefening-page .hero-actions { gap: 8px; }
  .kd-oefening-page .hero-action { font-size: 0.5rem; }
  .kd-oefening-page .lesson-tabs { padding: 0 6px; }
  .kd-oefening-page .lesson-tab { font-size: 0.7rem; padding: 12px 4px 10px; }
  .kd-oefening-page .filter-bar { flex-direction: column; align-items: stretch; gap: 0px; padding: 0px 10px 10px; }
  .kd-oefening-page .filter-select { max-width: none; }
  .kd-oefening-page .exercise-card { align-items: center; }
  .kd-oefening-page .exercise-icon { width: 56px; height: 52px; flex: 0 0 56px; }
  .kd-oefening-page .lesson-title { font-size: 1.4rem; }
  .kd-oefening-page .lesson-subtitle { font-size: 0.75rem; }
  .kd-oefening-page .lesson-meta { font-size: 0.7rem; }
  
  .kd-oefening-page .hero-media {
    height: var(--hero-media-height-mobile, var(--hero-media-height, 160px));
    background-attachment: scroll;
    background-size: cover; 
    background-position: center center;
  }
  
  .kd-oefening-page .back-link { font-size: 0.7rem; }
  .kd-oefening-page .back-link-bar { top: env(safe-area-inset-top, 0px); padding: 12px 14px 8px; }
  .kd-oefening-page .exercise-copy { margin-left: 5px; }
  .kd-oefening-page .exercise-title { font-size: 0.9rem; font-weight: 600; }
  .kd-oefening-page .exercise-desc { font-size: 0.70rem; }
  .kd-oefening-page .exercise-tag { font-size: 0.6rem; font-weight: 500; }
  .kd-oefening-page .pill-label { font-size: 0.6rem; font-weight: 500; gap: 4px; }
  .kd-oefening-page .pill-label .tag-icon { width: 1.5em; height: 1.5em; margin-right: 1px; }
  .kd-oefening-page .exercise-tags { gap: 15px; }
  .kd-oefening-page .exercise-tags span, .kd-oefening-page .exercise-tag { font-size: 0.6rem; font-weight: 500; padding: 4px 0px 0px; }
  .kd-oefening-page .exercise-tags .tag-icon, .kd-oefening-page .exercise-tag .tag-icon { width: 1.5em; height: 1.5em; margin-right: 4px; }
  .kd-oefening-page .category-filter-btn { font-size: 0.6rem; }
  .kd-oefening-page #tab-werkbladen .bundle { padding: 12px; gap: 10px; }
  .kd-oefening-page #tab-meer .oefeningen-kaarten { gap: 10px; padding-left: 0; padding-right: 0; }
  
  /* Modal mobile tweaks */
  .kd-oefening-page .modal-backdrop { align-items: stretch; justify-content: center; padding: 0; z-index: 5000; }
  .kd-oefening-page .modal { max-height: none; height: 100vh; min-height: 100vh; border-radius: 0; width: 100vw; max-width: none; margin: 0; align-self: stretch; }
  .kd-oefening-page .modal-top { padding: 12px 16px 8px; top: env(safe-area-inset-top, 0px); }
  .kd-oefening-page .modal-body { max-height: none; padding: 0; }
  .kd-oefening-page #tab-meer .oefening-kaart { width: 100%; aspect-ratio: 1.6/1; }
}