/* ============================================================
   Faszination Regenwald – Kinderspiele | CSS
   Palette: Dschungelgrün, warmes Sonnengelb, Erdbraun, Weiß
   ============================================================ */

:root {
    --frg-green-dark:  #1a5c2a;
    --frg-green:       #2d8a45;
    --frg-green-light: #5cb870;
    --frg-green-pale:  #d4f0db;
    --frg-yellow:      #f5c518;
    --frg-yellow-pale: #fef9e0;
    --frg-brown:       #7a4a1e;
    --frg-brown-light: #c9956a;
    --frg-white:       #ffffff;
    --frg-text:        #1e1e1e;
    --frg-radius:      16px;
    --frg-shadow:      0 4px 18px rgba(0,0,0,.14);
    --frg-transition:  .25s ease;
}

/* ── Base ── */
.frg-wrapper {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    color: var(--frg-text);
    max-width: 960px;
    margin: 0 auto;
    padding: 0 16px 40px;
}

/* ── Hero ── */
.frg-hero {
    text-align: center;
    background: linear-gradient(135deg, var(--frg-green-dark) 0%, var(--frg-green) 60%, var(--frg-green-light) 100%);
    border-radius: var(--frg-radius);
    padding: 36px 24px;
    margin-bottom: 32px;
    color: var(--frg-white);
    position: relative;
    overflow: hidden;
}
.frg-hero::before {
    content: '🌴🌿🌳🍃🌿🌴';
    position: absolute;
    bottom: -4px;
    left: 0;
    font-size: 2rem;
    letter-spacing: 8px;
    opacity: .3;
    width: 100%;
    text-align: center;
}
.frg-hero-emoji { font-size: 3rem; display: block; margin-bottom: 8px; }
.frg-hero-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin: 0 0 8px;
    text-shadow: 0 2px 6px rgba(0,0,0,.25);
}
.frg-hero-sub { font-size: 1.1rem; margin: 0; opacity: .9; }

/* ── Game Selection Grid ── */
.frg-game-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 28px;
}
.frg-game-card {
    background: var(--frg-white);
    border: 3px solid var(--frg-green-pale);
    border-radius: var(--frg-radius);
    padding: 24px 20px;
    text-align: center;
    box-shadow: var(--frg-shadow);
    transition: transform var(--frg-transition), border-color var(--frg-transition);
    cursor: pointer;
}
.frg-game-card:hover { transform: translateY(-5px); border-color: var(--frg-green-light); }
.frg-card-icon { font-size: 2.8rem; margin-bottom: 10px; }
.frg-game-card h2 { font-size: 1.25rem; font-weight: 700; color: var(--frg-green-dark); margin: 0 0 8px; }
.frg-game-card p  { font-size: .9rem; color: #555; margin: 0 0 16px; }

/* ── Buttons ── */
.frg-btn {
    background: linear-gradient(135deg, var(--frg-green), var(--frg-green-light));
    color: #fff;
    border: none;
    border-radius: 50px;
    padding: 10px 24px;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    box-shadow: 0 3px 10px rgba(45,138,69,.35);
    transition: transform var(--frg-transition), box-shadow var(--frg-transition);
}
.frg-btn:hover  { transform: scale(1.05); box-shadow: 0 5px 16px rgba(45,138,69,.45); }
.frg-btn:active { transform: scale(.97); }
.frg-btn-restart { background: linear-gradient(135deg, var(--frg-brown), var(--frg-brown-light)); margin-top: 12px; }

.frg-back-btn {
    background: none;
    border: 2px solid var(--frg-green);
    color: var(--frg-green-dark);
    border-radius: 50px;
    padding: 8px 20px;
    font-size: .95rem;
    font-weight: 600;
    cursor: pointer;
    margin-bottom: 24px;
    transition: background var(--frg-transition), color var(--frg-transition);
}
.frg-back-btn:hover { background: var(--frg-green); color: #fff; }

/* ── Game Container ── */
.frg-game { background: var(--frg-white); border-radius: var(--frg-radius); padding: 28px 24px; box-shadow: var(--frg-shadow); }
.frg-game-title { color: var(--frg-green-dark); font-size: 1.6rem; font-weight: 800; margin: 0 0 8px; }
.frg-game-desc  { color: #555; margin: 0 0 20px; font-size: .95rem; }

/* ── Win Message ── */
.frg-win-msg {
    background: linear-gradient(135deg, var(--frg-yellow-pale), #fff8c0);
    border: 3px solid var(--frg-yellow);
    border-radius: var(--frg-radius);
    padding: 24px;
    text-align: center;
    font-size: 1.2rem;
    font-weight: 600;
    margin-top: 24px;
    animation: frg-pop .4s ease;
}
@keyframes frg-pop { from { transform: scale(.8); opacity:0; } to { transform: scale(1); opacity:1; } }

/* ════════════════════════════════════════════
   MEMORY
════════════════════════════════════════════ */
.frg-memory-stats { display: flex; gap: 24px; margin-bottom: 16px; font-size: 1rem; color: var(--frg-green-dark); }
.frg-memory-stats strong { color: var(--frg-brown); font-size: 1.1rem; }

.frg-memory-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    max-width: 520px;
}
.frg-mem-card {
    aspect-ratio: 1;
    perspective: 600px;
    cursor: pointer;
}
.frg-mem-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    transition: transform .45s ease;
    transform: rotateY(0deg);
}
.frg-mem-card.flipped .frg-mem-card-inner,
.frg-mem-card.matched .frg-mem-card-inner { transform: rotateY(180deg); }

.frg-mem-card-front,
.frg-mem-card-back {
    position: absolute;
    inset: 0;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
}
.frg-mem-card-front {
    background: linear-gradient(135deg, var(--frg-green-dark), var(--frg-green));
    font-size: 2rem;
    box-shadow: 0 3px 10px rgba(0,0,0,.2);
    border: 3px solid var(--frg-green-light);
}
.frg-mem-card-back {
    background: var(--frg-yellow-pale);
    border: 3px solid var(--frg-yellow);
    transform: rotateY(180deg);
    font-size: .75rem;
    font-weight: 700;
    color: var(--frg-brown);
    box-shadow: 0 3px 10px rgba(0,0,0,.15);
}
.frg-mem-emoji { font-size: 2.2rem; margin-bottom: 4px; }
.frg-mem-card.matched .frg-mem-card-back { background: var(--frg-green-pale); border-color: var(--frg-green); }

/* ════════════════════════════════════════════
   WORTSUCHE
════════════════════════════════════════════ */
.frg-ws-layout { display: flex; gap: 28px; flex-wrap: wrap; align-items: flex-start; }
.frg-ws-grid-wrap { overflow-x: auto; }
.frg-ws-grid { border-collapse: separate; border-spacing: 4px; }
.frg-ws-cell {
    width: 38px;
    height: 38px;
    text-align: center;
    font-size: 1rem;
    font-weight: 700;
    background: var(--frg-green-pale);
    border-radius: 6px;
    cursor: pointer;
    user-select: none;
    transition: background var(--frg-transition), color var(--frg-transition), transform .1s;
    color: var(--frg-green-dark);
}
.frg-ws-cell:hover  { background: var(--frg-green-light); color: #fff; transform: scale(1.1); }
.frg-ws-cell.selected { background: var(--frg-yellow); color: var(--frg-brown); }
.frg-ws-cell.found    { background: var(--frg-green); color: #fff; cursor: default; }

.frg-ws-words { min-width: 140px; }
.frg-ws-words h3 { color: var(--frg-green-dark); margin: 0 0 12px; font-size: 1rem; }
.frg-ws-words ul { list-style: none; padding: 0; margin: 0; }
.frg-ws-words li {
    font-size: .95rem;
    font-weight: 700;
    padding: 6px 12px;
    margin-bottom: 6px;
    border-radius: 8px;
    background: var(--frg-green-pale);
    color: var(--frg-green-dark);
    transition: all var(--frg-transition);
}
.frg-ws-words li.found {
    background: var(--frg-green);
    color: #fff;
    text-decoration: line-through;
    opacity: .7;
}

/* ════════════════════════════════════════════
   PUZZLE
════════════════════════════════════════════ */
.frg-puzzle-animal-select { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 20px; align-items: center; }
.frg-puzzle-pick { opacity: .65; display: flex; align-items: center; gap: 8px; }
.frg-puzzle-pick.active { opacity: 1; outline: 3px solid var(--frg-yellow); outline-offset: 2px; }
.frg-pick-thumb {
    width: 32px;
    height: 32px;
    object-fit: cover;
    border-radius: 6px;
    border: 1px solid rgba(255,255,255,.5);
    flex-shrink: 0;
}

.frg-puzzle-label { color: var(--frg-green-dark); font-weight: 700; margin: 0 0 10px; font-size: .95rem; }

.frg-puzzle-area { display: flex; gap: 32px; flex-wrap: wrap; align-items: flex-start; margin-bottom: 16px; }

.frg-puzzle-board {
    display: grid;
    grid-template-columns: repeat(3, 90px);
    grid-template-rows:    repeat(3, 90px);
    gap: 4px;
    background: var(--frg-green-pale);
    padding: 6px;
    border-radius: 14px;
    border: 3px dashed var(--frg-green-light);
}

.frg-puzzle-tile {
    width: 90px;
    height: 90px;
    border: 2px solid rgba(255,255,255,.6);
    border-radius: 6px;
    cursor: grab;
    user-select: none;
    transition: transform .15s, box-shadow .15s, border-color .25s;
    box-shadow: 0 2px 6px rgba(0,0,0,.15);
    /* background-image, background-size, background-position via JS */
}
.frg-puzzle-tile:hover  { transform: scale(1.04); box-shadow: 0 5px 14px rgba(0,0,0,.25); z-index: 2; }
.frg-puzzle-tile:active { cursor: grabbing; }
.frg-puzzle-tile.correct { border-color: var(--frg-green); box-shadow: 0 0 0 3px var(--frg-green-light); }

.frg-puzzle-preview { text-align: center; }
.frg-puzzle-preview canvas { display: block; }

.frg-puzzle-controls { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 4px; }

/* ════════════════════════════════════════════
   LÜCKENTEXT
════════════════════════════════════════════ */
.frg-lt-progress-bar {
    background: var(--frg-green-pale);
    border-radius: 50px;
    height: 10px;
    margin-bottom: 8px;
    overflow: hidden;
}
#frg-lt-progress {
    background: linear-gradient(90deg, var(--frg-green), var(--frg-yellow));
    height: 100%;
    border-radius: 50px;
    transition: width .4s ease;
}
.frg-lt-counter { font-size: .9rem; color: #777; margin: 0 0 20px; }

.frg-lt-question { animation: frg-fade-in .3s ease; }
@keyframes frg-fade-in { from { opacity:0; transform:translateY(12px); } to { opacity:1; transform:translateY(0); } }

.frg-lt-emoji { font-size: 3rem; text-align: center; margin-bottom: 12px; }
.frg-lt-sentence {
    font-size: 1.2rem;
    line-height: 1.8;
    text-align: center;
    margin-bottom: 20px;
    padding: 16px;
    background: var(--frg-green-pale);
    border-radius: 12px;
    font-weight: 500;
}
.frg-lt-blank {
    display: inline-block;
    min-width: 90px;
    border-bottom: 3px solid var(--frg-green);
    color: var(--frg-green);
    font-weight: 800;
    font-size: 1.3rem;
    text-align: center;
    padding: 0 8px;
}
.frg-lt-options {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
    margin-bottom: 16px;
}
.frg-lt-option {
    background: var(--frg-white);
    border: 2px solid var(--frg-green-light);
    color: var(--frg-green-dark);
    border-radius: 50px;
    padding: 10px 24px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--frg-transition);
}
.frg-lt-option:hover:not(:disabled) { background: var(--frg-green-pale); border-color: var(--frg-green); transform: translateY(-2px); }
.frg-lt-option.correct  { background: var(--frg-green); color: #fff; border-color: var(--frg-green-dark); }
.frg-lt-option.wrong    { background: #f44336; color: #fff; border-color: #c62828; }
.frg-lt-option:disabled { cursor: default; opacity: .75; transform: none; }

.frg-lt-feedback {
    text-align: center;
    font-size: 1rem;
    font-weight: 700;
    min-height: 1.5rem;
    margin-bottom: 16px;
}
.frg-lt-feedback.correct { color: var(--frg-green); }
.frg-lt-feedback.wrong   { color: #f44336; }

/* ── Responsive ── */
@media (max-width: 600px) {
    .frg-hero-title { font-size: 1.6rem; }
    .frg-memory-grid { grid-template-columns: repeat(4, 1fr); gap: 8px; }
    .frg-mem-card { font-size: .7rem; }
    .frg-ws-layout { flex-direction: column; }
    .frg-ws-cell { width: 30px; height: 30px; font-size: .85rem; }
    .frg-puzzle-board { width: 220px; min-height: 220px; }
    .frg-puzzle-tile  { width: 64px; height: 64px; font-size: 1.7rem; }
}