:root {
    --bg-color: #70c4ff;
    --water-color: #4b92cc;
    --text-color: #fff;
    --shadow-color: #3e74a1;
    --correct-color: #4CAF50;
    --wrong-color: #F44336;
    --neutral-color: #FFC107;
    --font-family: 'Fredoka One', cursive;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html, body {
    height: 100%;
    width: 100%;
    font-family: var(--font-family);
    background-color: var(--bg-color);
    color: var(--text-color);
}

.screen {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100%;
    padding: 1rem;
    position: absolute;
    top: 0;
    left: 0;
}

.screen.active {
    display: flex;
}

/* Main Menu */
#main-menu {
    justify-content: flex-start;
    padding-top: 5vh;
    padding-bottom: 5vh;
}

#main-menu h1 {
    font-size: 3rem;
    text-shadow: 3px 3px 0px var(--shadow-color);
    margin-bottom: 2rem;
    text-align: center;
}

#game-options {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

#game-options button {
    background-color: var(--neutral-color);
    border: none;
    border-radius: 15px;
    padding: 1rem;
    cursor: pointer;
    transition: transform 0.2s;
    box-shadow: 0 8px 0px #c89400;
    border: 4px solid #fff;
}

#game-options button:active {
    transform: translateY(4px);
    box-shadow: 0 4px 0px #c89400;
}

#game-options button img {
    width: 150px;
    height: 150px;
    display: block;
}

#game-options button span {
    font-size: 1.2rem;
    margin-top: 0.5rem;
    display: block;
    color: #444;
}

/* Game Screen */
#game-screen {
    justify-content: space-between;
    padding: 0;
    overflow: hidden;
}

#game-container {
    width: 100%;
    height: 100%;
    background: url('background.png') center/cover no-repeat;
    position: relative;
    overflow: hidden;
}

.duck {
    position: absolute;
    width: 80px;
    height: 80px;
    background-image: url('duck.png');
    background-size: contain;
    background-repeat: no-repeat;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    user-select: none;
    animation: float 3s ease-in-out infinite;
}

.duck-letter {
    font-size: 2rem;
    color: #3D2B1F;
    font-weight: bold;
    text-shadow: 2px 2px 2px rgba(255,255,255,0.7);
    transform: translateY(-5px);
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

#tracker-container {
    background-color: var(--shadow-color);
    width: 100%;
    padding: 0.5rem;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 5px;
    box-shadow: 0 -5px 10px rgba(0,0,0,0.2);
    z-index: 10;
}

.letter-box {
    background-color: var(--neutral-color);
    color: #444;
    border-radius: 5px;
    width: 35px;
    height: 35px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
}
.letter-box.correct { background-color: var(--correct-color); color: white; }
.letter-box.wrong { background-color: var(--wrong-color); color: white; }
.letter-box.current { border: 3px solid white; }

/* Game 3 specific */
#word-display {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 15px;
}
#word-image {
    max-height: 80px;
    border-radius: 10px;
    background: white;
    padding: 5px;
}
#word-letters {
    display: flex;
    gap: 5px;
}
#word-letters .letter-box {
    background-color: rgba(255,255,255,0.3);
    color: white;
    text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}
#word-letters .letter-box.found {
    background-color: var(--correct-color);
    color: white;
}

.back-button {
    position: absolute;
    top: 10px;
    left: 10px;
    background-color: var(--wrong-color);
    color: white;
    border: 2px solid white;
    border-radius: 10px;
    padding: 0.5rem 1rem;
    font-size: 1rem;
    cursor: pointer;
    z-index: 20;
    box-shadow: 0 4px 0px #c0392b;
}
.back-button:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0px #c0392b;
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    z-index: 100;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0,0,0,0.5);
    justify-content: center;
    align-items: center;
}
.modal.active {
    display: flex;
}
.modal-content {
    background-color: var(--bg-color);
    padding: 20px;
    border: 5px solid white;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 0 var(--shadow-color);
}
.modal-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}
.modal-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}
#modal-next-button {
    background-color: var(--correct-color);
    color: white;
    border: 3px solid white;
    border-radius: 10px;
    padding: 0.8rem 1.5rem;
    font-size: 1.2rem;
    cursor: pointer;
    box-shadow: 0 4px 0px #388E3C;
}

#modal-next-button:active {
    transform: translateY(2px);
    box-shadow: 0 2px 0px #388E3C;
}

/* Mobile responsive */
@media (min-width: 768px) {
    #main-menu h1 {
        font-size: 5rem;
    }
    #game-options {
        flex-direction: row;
    }
    .duck {
        width: 100px;
        height: 100px;
    }
    .duck-letter {
        font-size: 2.5rem;
    }
    .letter-box {
        width: 45px;
        height: 45px;
        font-size: 2rem;
    }
    #word-image {
        max-height: 120px;
    }
}