body {
            background: #222;
            margin: 0;
            overflow: hidden;
        }
        #gameCanvas {
            background: #333;
            display: block;
            margin: 0 auto;
            border: 2px solid #fff;
        }
        #winMsg {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            color: #fff;
            font-size: 2em;
            display: none;
            background: rgba(0,0,0,0.7);
            padding: 30px 60px;
            border-radius: 20px;
            border: 2px solid #fff;
        }

        /* Bu kodları style.css dosyanın sonuna ekle */

#startScreen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    color: white;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    font-family: Arial, sans-serif;
    z-index: 100; /* Canvas'ın üzerinde görünmesi için */
}

#startScreen h1 {
    font-size: 4em;
    margin-bottom: 0.2em;
    color: #ffd700;
}

#startScreen p {
    font-size: 1.5em;
    margin-bottom: 1.5em;
}

#startButton {
    font-size: 1.8em;
    padding: 15px 30px;
    border: 3px solid #ffd700;
    background-color: transparent;
    color: #ffd700;
    cursor: pointer;
    transition: all 0.3s ease;
}

/* Zorluk seviyesi seçimi */
#difficultySelector {
    margin-bottom: 20px;
}

.difficulty-buttons {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

.difficulty-btn {
    padding: 8px 16px;
    background-color: transparent;
    border: 2px solid #ffd700;
    color: #ffd700;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
}

.difficulty-btn:hover {
    background-color: rgba(255, 215, 0, 0.2);
}

.difficulty-btn.selected {
    background-color: #ffd700;
    color: #222;
}

/* Yardım Butonu */
.help-btn {
    margin-top: 15px;
    padding: 8px 16px;
    background-color: transparent;
    border: 2px solid #4caf50;
    color: #4caf50;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
    font-size: 1em;
}

.help-btn:hover {
    background-color: rgba(76, 175, 80, 0.2);
}

/* Modal (Yardım Ekranı) */
.modal {
    display: none;
    position: fixed;
    z-index: 200;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    overflow-y: auto;
}

.modal-content {
    background-color: #333;
    margin: 5% auto;
    padding: 20px;
    border: 2px solid #ffd700;
    width: 80%;
    max-width: 700px;
    border-radius: 10px;
    color: #fff;
    font-family: Arial, sans-serif;
}

.close-btn {
    color: #ffd700;
    float: right;
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
}

.close-btn:hover {
    color: #fff;
}

.help-section {
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    padding-bottom: 15px;
}

.help-section:last-child {
    border-bottom: none;
}

.help-section h3 {
    color: #ffd700;
    margin-bottom: 10px;
}

/* Düşman ve güçlendirme renkleri */
.enemy-red { color: #e53935; }
.enemy-purple { color: #ab47bc; }
.enemy-orange { color: #ffa726; }
.enemy-blue { color: #00e6ff; }

.powerup-multi { color: #ff9800; }
.powerup-fast { color: #00e6ff; }
.powerup-big { color: #9c27b0; }
.powerup-speed { color: #4caf50; }
.powerup-shield { color: #2196f3; }

/* Duraklatma Menüsü */
.pause-content {
    text-align: center;
}

.menu-btn {
    display: block;
    width: 80%;
    margin: 15px auto;
    padding: 12px;
    background-color: transparent;
    border: 2px solid #ffd700;
    color: #ffd700;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 4px;
    font-size: 1.2em;
}

.menu-btn:hover {
    background-color: rgba(255, 215, 0, 0.2);
}

#resumeBtn {
    border-color: #4caf50;
    color: #4caf50;
}

#resumeBtn:hover {
    background-color: rgba(76, 175, 80, 0.2);
}

#quitBtn {
    border-color: #f44336;
    color: #f44336;
}

#quitBtn:hover {
    background-color: rgba(244, 67, 54, 0.2);
}

/* Oyun Sonu Ekranı */
.game-over-content {
    text-align: center;
    padding: 30px;
}

.game-over-content h2 {
    color: #ffd700;
    font-size: 2.5em;
    margin-bottom: 20px;
}

#gameStats {
    background-color: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 30px;
}

#gameStats p {
    font-size: 1.2em;
    margin: 10px 0;
}

#gameStats span {
    color: #ffd700;
    font-weight: bold;
    font-size: 1.3em;
}

#levelReached {
    color: #4caf50 !important;
}

#coinsCollected {
    color: #ffc107 !important;
}

#finalScore {
    color: #2196f3 !important;
}

/* Mobil cihazlar için başlangıç ekranı */
@media (max-width: 800px) {
    #startScreen h1 {
        font-size: 2.5em;
    }
    
    #startScreen p {
        font-size: 1.2em;
        margin-bottom: 1em;
    }
    
    #startButton {
        font-size: 1.4em;
        padding: 12px 24px;
    }
    
    .difficulty-buttons {
        flex-direction: column;
        gap: 5px;
    }
    
    .difficulty-btn {
        width: 150px;
        margin: 0 auto;
    }
}

#startButton:hover {
    background-color: #ffd700;
    color: #222;
}

.upgrade-notification, .level-info {
    animation: fadeInOut 3.5s ease-in-out;
    box-shadow: 0 0 15px rgba(255, 215, 0, 0.7);
    text-align: center;
    font-family: Arial, sans-serif;
    font-size: 18px;
    line-height: 1.5;
}

.level-info h3 {
    margin: 0 0 8px 0;
    font-size: 24px;
    color: #ffd700;
    text-shadow: 0 0 5px rgba(0, 0, 0, 0.5);
}

.level-info p {
    margin: 0;
    font-size: 18px;
    line-height: 1.4;
}

@keyframes fadeInOut {
    0% { opacity: 0; transform: translateY(-20px) translateX(-50%); }
    20% { opacity: 1; transform: translateY(0) translateX(-50%); }
    80% { opacity: 1; transform: translateY(0) translateX(-50%); }
    100% { opacity: 0; transform: translateY(10px) translateX(-50%); }
}

/* Mobil Kontroller */
#mobileControls {
    display: none; /* Varsayılan olarak gizli, mobil cihazlarda gösterilecek */
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 200px;
    z-index: 100;
    pointer-events: none; /* Sadece içindeki butonlar tıklanabilir */
}

#joystickArea {
    position: absolute;
    bottom: 20px;
    left: 20px;
    width: 150px;
    height: 150px;
    pointer-events: auto;
}

#joystick {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 120px;
    height: 120px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

#joystickKnob {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 50px;
    height: 50px;
    background-color: rgba(255, 255, 255, 0.8);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

#actionButtons {
    position: absolute;
    bottom: 20px;
    right: 20px;
    display: flex;
    gap: 20px;
    pointer-events: auto;
}

#actionButtons button {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.2);
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: white;
    font-size: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
}

#shootButton {
    background-color: rgba(255, 215, 0, 0.3) !important;
}

#dashButton {
    background-color: rgba(0, 191, 255, 0.3) !important;
}

/* Görev Sistemi Stilleri */
.quest-panel {
    position: fixed;
    top: 70px;
    right: 0;
    width: 250px;
    background-color: rgba(0, 0, 0, 0.8);
    border-left: 3px solid #ffd700;
    border-bottom: 3px solid #ffd700;
    border-top: 3px solid #ffd700;
    border-top-left-radius: 10px;
    border-bottom-left-radius: 10px;
    color: white;
    padding: 15px;
    z-index: 1000;
    transition: right 0.3s ease;
    max-height: 60vh;
    overflow-y: auto;
}

.quest-title {
    text-align: center;
    margin-bottom: 15px;
    border-bottom: 1px solid rgba(255, 215, 0, 0.5);
    padding-bottom: 5px;
}

.quest-title h3 {
    margin: 0;
    color: #ffd700;
    font-size: 20px;
}

.quest-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.quest-item {
    background-color: rgba(0, 0, 0, 0.5);
    border-radius: 5px;
    padding: 10px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.quest-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 8px;
}

.quest-desc {
    font-size: 14px;
    color: #fff;
}

.quest-reward {
    font-size: 14px;
    color: #ffd700;
    white-space: nowrap;
}

.quest-progress-container {
    height: 15px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    position: relative;
    overflow: hidden;
}

.quest-progress-bar {
    height: 100%;
    background-color: #4caf50;
    border-radius: 10px;
    transition: width 0.3s ease;
}

.quest-progress-text {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: white;
    text-shadow: 0 0 2px black;
}

.toggle-quest-button {
    position: fixed;
    top: 70px;
    right: 10px;
    width: 40px;
    height: 40px;
    background-color: rgba(0, 0, 0, 0.7);
    border: 2px solid #ffd700;
    border-radius: 50%;
    color: #ffd700;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 1001;
    transition: all 0.3s ease;
}

.toggle-quest-button:hover {
    background-color: rgba(255, 215, 0, 0.2);
    transform: scale(1.1);
}

.no-quest-msg {
    text-align: center;
    color: #aaa;
    font-style: italic;
    padding: 10px;
}

.quest-notification {
    position: fixed;
    top: 120px;
    right: -300px;
    width: 250px;
    background-color: rgba(0, 0, 0, 0.8);
    border-left: 3px solid #ffd700;
    border-radius: 5px;
    color: white;
    padding: 15px;
    z-index: 1002;
    transition: all 0.5s ease;
    opacity: 0;
    transform: translateX(0);
}

.quest-notification-title {
    color: #ffd700;
    font-weight: bold;
    margin-bottom: 5px;
    font-size: 16px;
}

.quest-notification-message {
    font-size: 14px;
}

/* Mobil cihazlar için responsive tasarım */
@media (max-width: 800px) {
    body {
        margin: 0;
        padding: 0;
        overflow: hidden;
        position: fixed;
        width: 100%;
        height: 100%;
    }
    
    #gameCanvas {
        width: 90%;
        height: 70%;
        border: none;
        margin: 10px auto;
        max-height: 70vh;
    }
    
    #mobileControls {
        display: block;
        height: 150px;
    }
    
    #joystickArea {
        width: 120px;
        height: 120px;
    }
    
    #joystick {
        width: 100px;
        height: 100px;
    }
    
    #joystickKnob {
        width: 40px;
        height: 40px;
    }
    
    #actionButtons button {
        width: 60px;
        height: 60px;
        font-size: 20px;
    }
    
    #pauseButton {
        position: absolute;
        top: 10px;
        right: 10px;
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background-color: rgba(255, 255, 255, 0.2);
        border: 2px solid rgba(255, 255, 255, 0.5);
        color: white;
        font-size: 20px;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        z-index: 150;
        pointer-events: auto;
    }
}