/* ============================================
   OYUN BAHÇESİ - Hub / Oyun Seçim Ekranı
   ============================================ */

.hub {
    position: relative;
    width: 100%;
    height: 100%;
    padding-top: 60px;
    overflow-y: auto;
    overflow-x: hidden;
    -webkit-overflow-scrolling: touch;
}

/* Arka Plan Katmanları */
.hub-bg {
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    overflow: hidden;
}

.sky {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, #87CEEB 0%, #B8DFEF 40%, #C9E8F7 70%);
}

.sun {
    position: absolute;
    top: 8%;
    right: 10%;
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, #FFE066 30%, #FFD700 60%, transparent 70%);
    border-radius: 50%;
    box-shadow: 0 0 60px rgba(255, 215, 0, 0.35), 0 0 120px rgba(255, 215, 0, 0.15);
    animation: sunPulse 4s ease-in-out infinite;
}

.hills {
    position: absolute;
    bottom: 0;
    left: -5%;
    right: -5%;
    height: 35%;
    background:
        radial-gradient(ellipse 60% 100% at 15% 100%, #8ED45E 0%, transparent 70%),
        radial-gradient(ellipse 50% 100% at 50% 100%, #7EC850 0%, transparent 65%),
        radial-gradient(ellipse 55% 100% at 85% 100%, #6BBF3B 0%, transparent 70%);
}

.grass {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 8%;
    background: linear-gradient(180deg, #7EC850 0%, #6BBF3B 100%);
}

/* Hub Grid */
.hub-grid {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--space-lg);
    padding: var(--space-xl) var(--space-lg) var(--space-2xl);
    max-width: 900px;
    margin: 0 auto;
}

/* Oyun Kartı */
.game-card {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: var(--space-lg) var(--space-md) var(--space-md);
    background: rgba(255, 255, 255, 0.92);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-card);
    cursor: pointer;
    transition: all 0.3s var(--ease-bounce);
    animation: cardEnter 0.5s var(--ease-spring) both;
    border: 3px solid transparent;
    overflow: hidden;
}

.game-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.game-card:nth-child(1) { animation-delay: 0.05s; }
.game-card:nth-child(2) { animation-delay: 0.1s; }
.game-card:nth-child(3) { animation-delay: 0.15s; }
.game-card:nth-child(4) { animation-delay: 0.2s; }
.game-card:nth-child(5) { animation-delay: 0.25s; }
.game-card:nth-child(6) { animation-delay: 0.3s; }
.game-card:nth-child(7) { animation-delay: 0.35s; }

.game-card:hover, .game-card:focus-visible {
    transform: scale(1.05) translateY(-4px);
    box-shadow: var(--shadow-card-hover);
}

.game-card:active {
    transform: scale(0.97);
    box-shadow: var(--shadow-sm);
}

/* Kart ikonu */
.card-icon {
    width: 90px;
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    margin-bottom: var(--space-md);
    font-size: 3rem;
    box-shadow: var(--shadow-sm);
    transition: transform 0.3s var(--ease-bounce);
    overflow: hidden;
}
.card-icon img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: inherit;
}

.game-card:hover .card-icon {
    transform: scale(1.08) rotate(-3deg);
}

/* Kart başlığı */
.card-title {
    font-family: 'Fredoka', sans-serif;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text-warm);
    text-align: center;
    margin-bottom: var(--space-sm);
    line-height: 1.2;
}

/* Kart yıldızları */
.card-stars {
    display: flex;
    gap: 4px;
}

.card-stars svg {
    width: 22px;
    height: 22px;
    transition: all 0.3s var(--ease-spring);
}

.card-stars svg.earned {
    fill: var(--star-gold);
    filter: drop-shadow(0 1px 3px rgba(255, 215, 0, 0.4));
}

.card-stars svg.empty {
    fill: var(--star-empty);
}

/* Oyun renk temaları - üst kenarlık */
.game-card[data-game="hafiza-kartlari"]::before { background: var(--hafiza-color); }
.game-card[data-game="renk-eslestirme"]::before { background: var(--renk-color); }
.game-card[data-game="sayi-sayma"]::before { background: var(--sayi-color); }
.game-card[data-game="harf-tanima"]::before { background: var(--harf-color); }
.game-card[data-game="sekil-bulmaca"]::before { background: var(--sekil-color); }
.game-card[data-game="boyama"]::before { background: var(--boyama-color); }
.game-card[data-game="siralama"]::before { background: var(--siralama-color); }

/* Card icon - SVG handles its own background */
.game-card .card-icon {
    background: none;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Dekoratif elementler */
.hub .butterfly {
    position: fixed;
    bottom: 15%;
    right: 10%;
    font-size: 1.5rem;
    z-index: 2;
    animation: float 3s ease-in-out infinite, sway 2s ease-in-out infinite;
    pointer-events: none;
}