/* Khu vườn */
.garden-area {
    height: 160px;
    background: linear-gradient(180deg, #c8e6c9 0%, #aed581 100%);
    box-shadow: inset 0 0 15px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
}

/* Chiếc lá */
.start-leaf {
    position: absolute;
    left: 2%;
    top: 50%;
    transform: translateY(-50%);
    font-size: 4rem;
    z-index: 1;
    filter: drop-shadow(2px 4px 2px rgba(0,0,0,0.3));
}

/* Bông hoa */
.target-flower {
    position: absolute;
    right: 5%;
    top: 50%;
    transform: translateY(-50%);
    font-size: 5rem;
    z-index: 2;
    filter: drop-shadow(2px 4px 4px rgba(0,0,0,0.4));
    animation: pulse-flower 2s infinite alternate;
}

@keyframes pulse-flower {
    0% { transform: translateY(-50%) scale(0.95); }
    100% { transform: translateY(-50%) scale(1.05); }
}

/* Bọ rùa */
.ladybug {
    position: absolute;
    left: 5%;
    top: 45%;
    font-size: 3rem;
    z-index: 3;
    filter: drop-shadow(2px 4px 2px rgba(0,0,0,0.4));
    /* Di chuyển mượt mà hình vòng cung nhẹ */
    transition: left 0.8s ease-in-out, top 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

/* Lỗi rung lắc */
.shake-error { animation: shake-bug 0.4s; }
@keyframes shake-bug {
    0% { transform: translateX(0) rotate(0deg); }
    25% { transform: translateX(-8px) rotate(-15deg); }
    50% { transform: translateX(8px) rotate(15deg); }
    75% { transform: translateX(-8px) rotate(-15deg); }
    100% { transform: translateX(0) rotate(0deg); }
}

.min-h-75 { min-height: 85px; }
.hl-num { color: #d84315; font-weight: 900; font-size: 1.2em; }