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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: #fff;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
}

.container {
    max-width: 1200px;
    width: 100%;
}

header {
    text-align: center;
    margin-bottom: 20px;
}

h1 {
    font-size: 2.5em;
    color: #00d9ff;
    text-shadow: 0 0 10px rgba(0, 217, 255, 0.5);
    margin-bottom: 10px;
}

.subtitle {
    color: #aaa;
    font-size: 1.1em;
}

.game-area {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 20px;
    align-items: start;
}

.controls {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(0, 217, 255, 0.3);
    border-radius: 10px;
    padding: 20px;
    backdrop-filter: blur(10px);
}

.control-section {
    margin-bottom: 20px;
}

.control-section label {
    display: block;
    margin-bottom: 10px;
    font-weight: bold;
    color: #00d9ff;
}

.color-palette {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
}

.color-btn {
    width: 100%;
    aspect-ratio: 1;
    border: 3px solid transparent;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.color-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
}

.color-btn.active {
    border-color: #fff;
    box-shadow: 0 0 15px currentColor;
}

input[type="range"] {
    width: 60%;
    margin-right: 10px;
}

.button-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-top: 20px;
}

.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1em;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s;
    text-transform: uppercase;
}

.btn-primary {
    background: linear-gradient(135deg, #00d9ff 0%, #0099cc 100%);
    color: #fff;
    box-shadow: 0 4px 15px rgba(0, 217, 255, 0.4);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 217, 255, 0.6);
}

.btn-primary:disabled {
    background: #555;
    cursor: not-allowed;
    box-shadow: none;
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.2);
}

.game-status {
    margin-top: 20px;
    padding: 15px;
    background: rgba(0, 217, 255, 0.1);
    border-left: 4px solid #00d9ff;
    border-radius: 5px;
    font-size: 0.95em;
    line-height: 1.5;
}

#gameCanvas {
    width: 100%;
    max-width: 800px;
    height: 600px;
    background: #0a0a0a;
    border: 3px solid rgba(0, 217, 255, 0.5);
    border-radius: 10px;
    cursor: crosshair;
    box-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
}

#gameCanvas.battle-mode {
    cursor: default;
}

.scoreboard {
    grid-column: 1 / -1;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(0, 217, 255, 0.3);
    border-radius: 10px;
    padding: 20px;
    margin-top: 20px;
}

.scoreboard h3 {
    color: #00d9ff;
    margin-bottom: 15px;
    font-size: 1.5em;
}

#scoreList {
    list-style: none;
    counter-reset: place;
}

#scoreList li {
    counter-increment: place;
    padding: 12px;
    margin-bottom: 10px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 5px;
    display: flex;
    align-items: center;
    font-size: 1.1em;
}

#scoreList li::before {
    content: counter(place);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 30px;
    height: 30px;
    background: rgba(0, 217, 255, 0.3);
    border-radius: 50%;
    margin-right: 15px;
    font-weight: bold;
}

#scoreList li:first-child::before {
    background: gold;
    color: #000;
}

#scoreList li:nth-child(2)::before {
    background: silver;
    color: #000;
}

#scoreList li:nth-child(3)::before {
    background: #cd7f32;
    color: #000;
}

.color-indicator {
    width: 40px;
    height: 40px;
    border-radius: 5px;
    margin-left: 15px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

@media (max-width: 1024px) {
    .game-area {
        grid-template-columns: 1fr;
    }

    #gameCanvas {
        height: 400px;
    }
}