/* Base Styles */
body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background-color: #162c42;
    color: #ecf0f1;
    height: 100vh;
    overflow: hidden;
    touch-action: manipulation; /* Disable browser zoom gestures */
}

/* Main Game Container */
.game-container {
    display: flex;
    flex-direction: column;
    width: 100vw;
    height: 100vh;
    max-width: 100%;
    box-sizing: border-box;
    position: relative;
}

/* Header Section */
.game-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 15px;
    background-color: rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
    min-height: 50px;
}

.game-header h1 {
    margin: 0;
    font-size: clamp(1rem, 4vw, 1.5rem);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    max-width: 50%;
}

.score-display {
    display: flex;
    gap: clamp(10px, 3vw, 20px);
    font-size: clamp(0.9rem, 3vw, 1.2rem);
}

.score-display span {
    min-width: 40px;
    display: inline-block;
    text-align: right;
}

/* Canvas Area */
.canvas-container {
    flex-grow: 1;
    position: relative;
    overflow: hidden;
}

#gameCanvas {
    background-color: #0fa701;
    border: 3px solid #000000;
    display: block;
    width: 100%;
    height: 100%;
}

/* Controls Section */
.controls {
    padding: 10px;
    text-align: center;
    background-color: rgba(0, 0, 0, 0.3);
    flex-shrink: 0;
}

button {
    padding: 10px 20px;
    font-size: clamp(1rem, 4vw, 1.2rem);
    background-color: #00a2ff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s;
    width: 80%;
    max-width: 200px;
}

button:hover {
    background-color: #2495c9;
}

/* Game Over Text */
.game-over-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: clamp(2rem, 8vw, 3rem);
    text-align: center;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.8);
    width: 90%;
}

/* Mobile Controls */
.mobile-controls {
    display: none;
    position: absolute;
    bottom: 20px;
    left: 0;
    right: 0;
    text-align: center;
    z-index: 10;
    pointer-events: none;
}

.tilt-indicator {
    width: clamp(100px, 30vw, 150px);
    height: clamp(100px, 30vw, 150px);
    background: rgba(0, 0, 0, 0.3);
    border-radius: 50%;
    margin: 0 auto;
    position: relative;
    border: 2px solid rgba(255, 255, 255, 0.5);
}

.tilt-dot {
    width: clamp(20px, 8vw, 30px);
    height: clamp(20px, 8vw, 30px);
    background: #3498db;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: transform 0.1s ease-out;
}

.mobile-instruction {
    color: white;
    margin-top: 8px;
    font-size: clamp(0.8rem, 3vw, 1rem);
    text-shadow: 1px 1px 2px black;
}

/* Gyro Permission Button */
.gyro-permission-btn {
    padding: 8px 12px;
    background: #e67e22;
    color: white;
    border: none;
    border-radius: 4px;
    font-size: 0.9rem;
    margin: 8px auto;
    display: block;
    cursor: pointer;
    pointer-events: auto;
}

/* Mobile Specific Styles */
@media (hover: none) and (pointer: coarse) {
    .mobile-controls {
        display: block;
    }
    
    .game-header {
        padding: 5px 10px;
    }
    
    .score-display {
        flex-direction: column;
        gap: 2px;
    }
    
    button {
        padding: 12px 24px;
        font-size: 1.1rem;
    }
}

/* Very small screens */
@media (max-height: 500px) {
    .game-header {
        padding: 2px 5px;
        min-height: 40px;
    }
    
    .mobile-controls {
        bottom: 10px;
    }
    
    .tilt-indicator {
        width: 80px;
        height: 80px;
    }
}