/* Base Styles */
body {
    margin: 0;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background: linear-gradient(135deg, #0f1318 0%, #232b38 100%);
    font-family: 'Orbitron', sans-serif;
    color: #00fff2;
}

/* Common Container Styles */
.neo-container, .preview-container, .score-container, .controls, .controls-info {
    background: rgba(16, 20, 28, 0.6);
    border: 1px solid rgba(0, 255, 242, 0.1);
    border-radius: 10px;
    padding: 20px;
}

.neo-container {
    background: rgba(16, 20, 28, 0.8);
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 0 40px rgba(0, 255, 242, 0.1);
    backdrop-filter: blur(10px);
    animation: glow 3s infinite;
}

/* Layout */
.game-container {
    display: flex;
    gap: 40px;
    padding: 20px;
    align-items: center;
}

.game-info {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: stretch;
}

/* Typography */
h1 {
    text-align: center;
    font-size: 2.5em;
    margin: 0 0 30px 0;
    text-transform: uppercase;
    letter-spacing: 4px;
    color: #00fff2;
    text-shadow: 0 0 10px rgba(0, 255, 242, 0.5);
}

h3 {
    margin: 0 0 15px 0;
    font-size: 1.2em;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: #00fff2;
}

/* Canvas Styles */
canvas {
    border: 2px solid rgba(0, 255, 242, 0.5);
    border-radius: 5px;
    box-shadow: 0 0 20px rgba(0, 255, 242, 0.2);
}

/* Button Styles */
button {
    padding: 15px 30px;
    font-size: 16px;
    cursor: pointer;
    font-family: 'Orbitron', sans-serif;
    text-transform: uppercase;
    letter-spacing: 2px;
    border: 1px solid rgba(0, 255, 242, 0.3);
    border-radius: 5px;
    position: relative;
    overflow: hidden;
    transition: 0.3s;
    background: rgba(0, 255, 242, 0.1);
    color: #00fff2;
    box-shadow: 0 0 10px rgba(0, 255, 242, 0.1);
}

button:hover {
    background: rgba(0, 255, 242, 0.2);
    box-shadow: 0 0 20px rgba(0, 255, 242, 0.2);
    transform: translateY(-2px);
}

button:active {
    transform: translateY(1px);
}

button:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Controls Section */
.controls {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

#playBtn {
    background: rgba(0, 255, 242, 0.2);
    font-size: 1.2em;
    padding: 20px 40px;
    margin-bottom: 10px;
    animation: pulse 2s infinite;
}

#muteBtn {
    background: rgba(0, 255, 242, 0.1);
    border-color: rgba(0, 255, 242, 0.2);
    margin-top: 10px;
}

#muteBtn:hover {
    background: rgba(0, 255, 242, 0.2);
}

/* Preview Section */
.preview-container {
    text-align: center;
}

#piece-preview {
    width: 120px;
    height: 120px;
    background: rgba(16, 20, 28, 0.6);
    display: flex;
    justify-content: center;
    align-items: center;
}

#piece-preview canvas {
    display: block;
    max-width: 100%;
    max-height: 100%;
}

/* Score Section */
.score-container {
    text-align: center;
}

#score-display {
    font-size: 2em;
    color: #00fff2;
    text-shadow: 0 0 10px rgba(0, 255, 242, 0.5);
    margin-bottom: 10px;
}

#level-display {
    font-size: 1.2em;
    color: #00fff2;
    opacity: 0.8;
}

/* Controls Info */
.controls-info {
    margin-top: 20px;
    text-align: center;
}

.controls-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 10px;
}

.controls-list li {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 5px;
}

.key {
    background: rgba(0, 255, 242, 0.1);
    padding: 5px 10px;
    border-radius: 5px;
    border: 1px solid rgba(0, 255, 242, 0.3);
    font-size: 0.9em;
    min-width: 30px;
    text-align: center;
}

.key-spacebar {
    min-width: 80px;
}

.control-action {
    color: rgba(0, 255, 242, 0.8);
}

/* Animations */
@keyframes glow {
    0% { box-shadow: 0 0 5px rgba(0, 255, 242, 0.2); }
    50% { box-shadow: 0 0 20px rgba(0, 255, 242, 0.4); }
    100% { box-shadow: 0 0 5px rgba(0, 255, 242, 0.2); }
}

@keyframes pulse {
    0% { box-shadow: 0 0 5px rgba(0, 255, 242, 0.2); }
    50% { box-shadow: 0 0 20px rgba(0, 255, 242, 0.6); }
    100% { box-shadow: 0 0 5px rgba(0, 255, 242, 0.2); }
}