body {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    font-family:'Poppins' , sans-serif;
    background: linear-gradient(to top, #e2b887 0%, #f3d9a4 50%, #f8e8b0 100%);
    min-height: 100%;
    overflow: hidden;
    position: relative;
}

.game-container {
    width: 100%;
    height: 100vh;
    position: relative;
    display: flex;
    flex-direction: column;
}

.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: rgba(255, 247, 230, 0.3);
    backdrop-filter: blur(10px);
    border-bottom: 3px solid #b8860b;
}

.title {
    font-size: 30px;
    font-weight: bold;
    color: #8b5a2b;
    text-shadow: 2px 2px 4px rgba(255, 255, 255, 0.5);
    font-family: 'Papyrus', cursive;);
}

.score-board {
    display: flex;
    gap: 20px;
}

.score-item {
    text-align: center;
    background: rgba(255, 255, 255, 0.4);
    padding: 10px 15px;
    border-radius: 15px;
    border: 2px solid #b8860b;
}

.score-label {
    font-size: 12px;
    color: #8b4513 ;
    font-weight: bold;
}

.score-value {
    font-size: 20px;
    color: #a0522d;
    font-weight: bold;
}

.game-area {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.trash-bin {
    position: absolute;
    bottom: 50px;
    left: 50%;
    transform: translateX(-50%);
    width: 110px;
    height: 100px;
    background: linear-gradient(180deg,  #a67c52 0%, #8b5a2b 100%);
    border-radius: 20px 20px 10px 10px;
    border: 4px solid #654321;
    cursor: pointer;
    transition: left 0.1s ease;
    z-index: 200;
    box-shadow: 0 4px 15px rgba(0,0,0,0.4);
}

.trash-bin:hover {
    transform: translateX(-50%) scale(1.05);
}

.trash-bin::before {
    content: '🏺';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 50px;
}

.trash-bin::after {
    content: '';
    position: absolute;
     top: -12px;
    left: -12px;
    right: -12px;
    height: 20px;
    background: #5c4033;
    border-radius: 15px;
}

.trash-item {
    position: absolute;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    user-select: none;
    font-size: 25px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 3px solid rgba(255, 255, 255, 0.7);
    box-shadow: 0 4px 10px rgba(0,0,0,0.3);
    animation: fall linear;
}

.fertilizer {
     background: linear-gradient(45deg, #5c4033, #8b5a2b);
    border: 3px solid rgba(139, 69, 19, 0.8);
}

@keyframes fall {
    from {
        top: -50px;
    }
    to {
        top: calc(100vh + 50px);
    }
}

.plastic {
    background: linear-gradient(45deg, #fcb045, #fd1d1d);
}

.paper {
    background: linear-gradient(45deg, #00b09b, #96c93d);
}

.organic {
    background: linear-gradient(45deg, #f9d423, #ff4e50);
}

.metal {
    background: linear-gradient(45deg, #c0c0c0, #808080);
}

.star {
    position: absolute;
    color: #ffdd00;
    font-size: 30px;
    pointer-events: none;
    animation: starBurst 1s ease-out forwards;
}

@keyframes starBurst {
    0% {
        transform: scale(0) rotate(0deg);
        opacity: 1;
    }
    50% {
        transform: scale(1.5) rotate(180deg);
        opacity: 1;
    }
    100% {
        transform: scale(0.5) rotate(360deg);
        opacity: 0;
    }
}

.water-level {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
     background: linear-gradient(180deg, rgba(0, 191, 255, 0.9) 0%, rgba(0, 105, 148, 0.95) 100%);
    transition: height 0.5s ease;
    z-index: 100;
    height: 0px;
    border-top: 3px solid #b8860b;
}

.water-wave {
    position: absolute;
    top: 0;
    left: 0;
    width: 200%;
    height: 25px;
background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 120"><path d="M0,60 C150,100 350,0 600,60 C850,120 1050,20 1200,60 L1200,0 L0,0 Z" fill="%23ffffff" fill-opacity="0.3"/></svg>') repeat-x;
     animation: wave 3s ease-in-out infinite;
}

@keyframes wave {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.trees {
    position: absolute;
    bottom: 10px;
    left: 20px;
    font-size: 55px;
    z-index: 50;
    content: '🌴🏜️🌴';
}

.clouds {
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    font-size: 45px;
    animation: float 8s ease-in-out infinite;
    color: rgba(255,255,255,0.8);
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-15px); }
}

.game-over {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(47, 79, 79, 0.95);
    color: #ffdd99;
    padding: 40px;
    border-radius: 20px;
    text-align: center;
    font-size: 24px;
    font-weight: bold;
    display: none;
    z-index: 1000;
    border: 3px solid #c97c27;
    box-shadow: 0 0 20px rgba(255, 218, 128, 0.5);
}

.restart-btn {
    background: linear-gradient(45deg,  #d4a017, #b8860b);
    border: none;
    color: white;
    padding: 15px 30px;
    font-size: 18px;
    font-weight: bold;
    border-radius: 25px;
    cursor: pointer;
    margin-top: 20px;
    transition: all 0.3s ease;
}

.restart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(212, 160, 23, 0.4);
}

.instructions {
    position: absolute;
    top: 120px;
    left: 20px;
    background: rgba(255, 255, 255, 0.9);
    padding: 15px;
    border-radius: 15px;
    border: 2px solid #b8860b;
    max-width: 300px;
}

.instructions h3 {
    margin: 0 0 10px 0;
    color:  #8b4513;
}

.instructions p {
    margin: 5px 0;
    color: #5c4033;
    font-size: 14px;
}
/* ================== Menu Start Overlay ================== */
#startMenu {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(203, 166, 108, 0.95);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    color: #4b2e05;
    font-size: 30px;
    font-weight: bold;
    z-index: 1000;
    text-align: center;
    font-family: 'Papyrus', cursive;
}

#startMenu button {
    margin-top: 20px;
    padding: 15px 35px;
    font-size: 22px;
    font-weight: bold;
    border-radius: 15px;
    border: none;
    background: linear-gradient(45deg,  #d4a017, #b8860b);
    color: white;
    cursor: pointer;
    transition: all 0.3s ease;
}

#startMenu button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(255, 215, 0, 0.4);
}