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

body {
    background: #000;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    font-family: Arial, sans-serif;
    overflow: hidden;
}

#game-container {
    position: relative;
    width: 100vw;
    height: 100vh;
    overflow: hidden;
}

#gameCanvas {
    width: 100%;
    height: 100%;
}

#hud {
    position: fixed;
    padding: 20px;
    color: white;
    font-family: 'Arial', sans-serif;
    font-size: 24px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    width: 100%;
    pointer-events: none;
}

#scoring {
    position: fixed;
    top: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.5);
    padding: 15px;
    border-radius: 10px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#score {
    font-size: 32px;
    font-weight: bold;
    color: #FFD700;
    margin-bottom: 5px;
}

#score-details {
    font-size: 18px;
    color: #90EE90;
}

#distance, #points {
    margin-top: 5px;
}

#speed {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.5);
    padding: 10px 20px;
    border-radius: 5px;
    font-size: 28px;
    color: #90EE90;
}

#stage {
    position: fixed;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.5);
    padding: 10px 20px;
    border-radius: 5px;
    color: #FFD700;
}

#lap-counter {
    position: fixed;
    top: 70px;
    right: 20px;
    background: rgba(0, 0, 0, 0.5);
    padding: 10px 20px;
    border-radius: 5px;
    color: #90EE90;
    font-size: 20px;
}

.screen {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.5);
    color: white;
    font-family: Arial, sans-serif;
    backdrop-filter: blur(3px);
}

/* Start Screen Styles */
#start-screen {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.3) 0%, rgba(26, 26, 26, 0.3) 100%);
    backdrop-filter: blur(2px);
}

.retro-logo {
    position: relative;
    margin-bottom: 40px;
    perspective: 500px;
}

.logo-text {
    font-size: 64px;
    font-weight: bold;
    color: #FFD700;
    text-transform: uppercase;
    letter-spacing: 4px;
    text-shadow: 
        0 0 10px rgba(255, 215, 0, 0.7),
        0 0 20px rgba(255, 215, 0, 0.5),
        0 0 30px rgba(255, 215, 0, 0.3);
    animation: logoFloat 3s ease-in-out infinite;
}

.logo-shine {
    position: absolute;
    top: 0;
    left: -100%;
    width: 50%;
    height: 100%;
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.8),
        transparent
    );
    animation: shine 3s infinite;
    transform: skewX(-20deg);
}

.rtb-banner {
    font-size: 28px;
    font-weight: bold;
    color: #FF4500;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 60px;
    animation: bannerWave 4s ease-in-out infinite;
    text-shadow: 
        0 0 10px rgba(255, 69, 0, 0.7),
        0 0 20px rgba(255, 69, 0, 0.5);
}

.start-prompt {
    font-size: 32px;
    color: #fff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.5);
    animation: pulse 1.5s ease-in-out infinite;
    cursor: pointer;
}

/* Animations */
@keyframes logoFloat {
    0%, 100% {
        transform: translateY(0) rotateX(0);
    }
    50% {
        transform: translateY(-20px) rotateX(5deg);
    }
}

@keyframes shine {
    0% {
        left: -100%;
    }
    20% {
        left: 100%;
    }
    100% {
        left: 100%;
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.5;
        transform: scale(0.95);
    }
}

.hidden {
    display: none !important;
}

.title {
    font-size: 48px;
    margin-bottom: 20px;
    color: #FFD700;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.banner {
    font-size: 24px;
    margin-bottom: 40px;
    color: #FF4500;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.menu-buttons {
    display: flex;
    flex-direction: column;
    gap: 15px;
    margin-bottom: 30px;
}

.menu-buttons button {
    padding: 15px 30px;
    font-size: 20px;
    border: none;
    border-radius: 5px;
    background: linear-gradient(45deg, #4A90E2, #357ABD);
    color: white;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    min-width: 200px;
}

.menu-buttons button:hover {
    transform: scale(1.05);
    box-shadow: 0 0 15px rgba(74, 144, 226, 0.5);
}

.controls-section {
    background: rgba(0, 0, 0, 0.5);
    padding: 20px;
    border-radius: 10px;
    margin-top: 20px;
}

.controls-section h2 {
    text-align: center;
    margin-bottom: 15px;
    color: #FFD700;
}

.controls-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 15px;
    padding: 10px;
}

.control-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
}

.key {
    background: #4A90E2;
    padding: 5px 10px;
    border-radius: 4px;
    font-weight: bold;
    min-width: 30px;
    text-align: center;
}

.action {
    color: #CCC;
}

#settings-menu {
    background: rgba(0, 0, 0, 0.9);
}

.settings-content {
    background: rgba(255, 255, 255, 0.1);
    padding: 30px;
    border-radius: 10px;
    min-width: 300px;
}

.setting-item {
    margin-bottom: 20px;
}

.setting-item label {
    display: block;
    margin-bottom: 8px;
    color: #FFD700;
}

.setting-item input[type="range"] {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    -webkit-appearance: none;
    background: #4A90E2;
}

.setting-item input[type="checkbox"] {
    width: 20px;
    height: 20px;
}

#backToMenu {
    width: 100%;
    padding: 10px;
    margin-top: 20px;
    background: #FF4500;
    border: none;
    border-radius: 5px;
    color: white;
    cursor: pointer;
    transition: background-color 0.2s;
}

#backToMenu:hover {
    background: #FF6347;
}

#countdown {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1000;
}

.countdown-text {
    font-size: 150px;
    color: #FFD700;
    font-weight: bold;
    text-shadow: 
        0 0 20px rgba(255, 215, 0, 0.7),
        0 0 40px rgba(255, 215, 0, 0.5);
    animation: pulseScale 1s ease-in-out;
}

@keyframes pulseScale {
    0% { transform: scale(0.5); opacity: 0; }
    50% { transform: scale(1.2); opacity: 1; }
    100% { transform: scale(1); opacity: 1; }
}

/* Stage Transition */
.stage-transition {
    position: fixed;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    background-color: rgba(0, 0, 0, 0.7);
    color: #fff;
    padding: 12px 24px;
    border-radius: 8px;
    font-size: 1.2em;
    font-weight: 500;
    z-index: 1000;
    animation: fadeInOut 2s ease-in-out;
    text-align: center;
    white-space: nowrap;
}

/* Magic Garden Stage Transition */
.stage-transition.magic-garden {
    background: linear-gradient(135deg, rgba(255, 192, 203, 0.8), rgba(230, 230, 250, 0.8));
    border: 2px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 0 20px rgba(255, 105, 180, 0.5);
    color: #FF1493;
    font-family: 'Arial', cursive;
    font-size: 1.5em;
    padding: 20px 40px;
    animation: magicFadeInOut 3s ease-in-out;
}

@keyframes magicFadeInOut {
    0% { 
        opacity: 0; 
        transform: translateX(-50%) translateY(20px) scale(0.8);
        filter: blur(10px);
    }
    20% { 
        opacity: 1; 
        transform: translateX(-50%) translateY(0) scale(1.1);
        filter: blur(0);
    }
    80% { 
        opacity: 1; 
        transform: translateX(-50%) translateY(0) scale(1);
        filter: blur(0);
    }
    100% { 
        opacity: 0; 
        transform: translateX(-50%) translateY(-20px) scale(0.8);
        filter: blur(10px);
    }
}

/* Collision Effect */
@keyframes shake {
    0%, 100% { transform: translateX(0); }
    25% { transform: translateX(-5px); }
    75% { transform: translateX(5px); }
}

/* Stage Transition Animation */
@keyframes fadeInOut {
    0% { opacity: 0; transform: translateX(-50%) translateY(20px); }
    20% { opacity: 1; transform: translateX(-50%) translateY(0); }
    80% { opacity: 1; transform: translateX(-50%) translateY(0); }
    100% { opacity: 0; transform: translateX(-50%) translateY(-20px); }
}

/* Pause Menu Styles */
#pause-menu {
    background: rgba(0, 0, 0, 0.85);
    z-index: 1000;
}

#pause-menu .menu-content {
    background: rgba(0, 0, 0, 0.7);
    padding: 40px;
    border-radius: 15px;
    border: 2px solid rgba(255, 215, 0, 0.3);
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
}

#pause-menu h2 {
    color: #FFD700;
    font-size: 36px;
    margin-bottom: 30px;
    text-align: center;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

#pause-menu .menu-buttons {
    min-width: 250px;
}

#pause-menu .menu-buttons button {
    width: 100%;
    margin: 5px 0;
    background: linear-gradient(45deg, #2c3e50, #3498db);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#pause-menu .menu-buttons button:hover {
    background: linear-gradient(45deg, #3498db, #2c3e50);
}

/* Menu Styles */
#menu {
    background: rgba(0, 0, 0, 0.85);
    z-index: 1000;
}

#menu .menu-buttons {
    min-width: 250px;
}

#menu .menu-buttons button {
    width: 100%;
    margin: 5px 0;
    background: linear-gradient(45deg, #2c3e50, #3498db);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

#menu .menu-buttons button:hover {
    background: linear-gradient(45deg, #3498db, #2c3e50);
}

#menu .title {
    color: #FFD700;
    font-size: 36px;
    margin-bottom: 30px;
    text-align: center;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.victory-text {
    background: rgba(0, 0, 0, 0.8);
    padding: 40px;
    border-radius: 15px;
    text-align: center;
    color: #FFD700;
}

.victory-text h1 {
    font-size: 48px;
    margin-bottom: 20px;
    text-shadow: 0 0 10px rgba(255, 215, 0, 0.5);
}

.victory-text p {
    font-size: 24px;
    margin-bottom: 20px;
    color: #fff;
}

.victory-text .final-score {
    font-size: 36px;
    margin: 30px 0;
    color: #90EE90;
}

.victory-text button {
    background: #4CAF50;
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 20px;
    border-radius: 10px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.victory-text button:hover {
    background: #45a049;
    transform: scale(1.05);
}

#radio-interface {
    position: fixed;
    bottom: 20px;
    left: 20px;
    background: rgba(0, 0, 0, 0.8);
    padding: 15px;
    border-radius: 10px;
    border: 2px solid #444;
    color: #fff;
    font-family: 'Arial', sans-serif;
    min-width: 200px;
    z-index: 1000;
}

#radio-title {
    text-align: center;
    font-size: 18px;
    margin-bottom: 10px;
    color: #90EE90;
    text-transform: uppercase;
    letter-spacing: 2px;
}

#current-track {
    text-align: center;
    font-size: 14px;
    margin: 10px 0;
    color: #FFD700;
    min-height: 20px;
}

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

.radio-button {
    background: #333;
    border: 1px solid #555;
    color: #fff;
    padding: 5px 10px;
    border-radius: 5px;
    cursor: pointer;
    transition: background 0.3s;
    font-size: 12px;
}

.radio-button:hover {
    background: #444;
}

.radio-button.active {
    background: #90EE90;
    color: #000;
}

#radio-instructions {
    text-align: center;
    font-size: 12px;
    color: #888;
    margin-top: 10px;
    font-style: italic;
}