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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: linear-gradient(135deg, #0f0f23 0%, #1a1a2e 50%, #16213e 100%);
    min-height: 100vh;
    padding: 20px;
    color: #e6e9ef;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: rgba(26, 26, 46, 0.8);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

h1 {
    text-align: center;
    margin-bottom: 30px;
    font-size: 2.5rem;
    text-shadow: 0 4px 8px rgba(0,0,0,0.5);
    background: linear-gradient(45deg, #4f8cff, #30c48d);
    /* -webkit-background-clip: text;
    -webkit-text-fill-color: transparent; */
    background-clip: text;
}

.controls {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    margin-bottom: 30px;
}

.control-group {
    background: rgba(15, 15, 35, 0.6);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.3);
}

.control-group h3 {
    margin-bottom: 15px;
    color: #4f8cff;
    font-size: 1.3rem;
    font-weight: 600;
}

.input-group {
    margin-bottom: 15px;
}

label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #b8c5d6;
}

input, select, button {
    width: 100%;
    padding: 10px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    background: rgba(26, 26, 46, 0.8);
    color: #e6e9ef;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

input:focus, select:focus {
    outline: none;
    border-color: #4f8cff;
    box-shadow: 0 0 0 2px rgba(79, 140, 255, 0.2);
}

button {
    background: linear-gradient(45deg, #4f8cff, #30c48d);
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
    margin-bottom: 10px;
    border: none;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(79, 140, 255, 0.4);
    background: linear-gradient(45deg, #5a9aff, #3dd49e);
}

button:disabled {
    background: linear-gradient(45deg, #4a4a4a, #3a3a3a);
    cursor: not-allowed;
    transform: none;
    opacity: 0.6;
}

.pattern-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 15px;
    margin-top: 15px;
}

.pattern-btn {
    background: linear-gradient(45deg, #30c48d, #4f8cff);
    padding: 15px;
    border-radius: 10px;
    border: none;
    color: white;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.pattern-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 5px 20px rgba(79, 140, 255, 0.4);
    background: linear-gradient(45deg, #3dd49e, #5a9aff);
}

.led-grid {
    display: grid;
    gap: 5px;
    margin: 20px 0;
    justify-content: center;
}

.ring-grid {
    display: block;
    position: relative;
    width: 400px;
    height: 400px;
    margin: 20px auto;
    background: radial-gradient(circle at center, rgba(79, 140, 255, 0.05) 0%, transparent 70%);
    border-radius: 50%;
}

.ring-led {
    z-index: 10;
}

@media (max-width: 768px) {
    .ring-grid {
        width: 300px;
        height: 300px;
    }
}

.led {
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,0.2);
    cursor: pointer;
    transition: all 0.3s ease;
    background: #1a1a2e;
    box-shadow: inset 0 2px 4px rgba(0,0,0,0.3);
}

.led:hover {
    transform: scale(1.2);
    box-shadow: 0 0 20px rgba(79, 140, 255, 0.6);
    border-color: rgba(79, 140, 255, 0.8);
}

.status {
    text-align: center;
    padding: 15px;
    margin: 20px 0;
    border-radius: 10px;
    font-weight: bold;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.status.disconnected {
    background: rgba(239, 83, 80, 0.1);
    border-color: #ef5350;
    color: #ff6b6b;
}

.status.connected {
    background: rgba(48, 196, 141, 0.1);
    border-color: #30c48d;
    color: #4ecdc4;
}

.color-picker-group {
    display: flex;
    gap: 10px;
    align-items: center;
}

input[type="color"] {
    width: 50px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 8px;
    cursor: pointer;
    background: none;
}

input[type="color"]:hover {
    border-color: #4f8cff;
}

input[type="range"] {
    accent-color: #4f8cff;
}

@media (max-width: 768px) {
    .controls {
        grid-template-columns: 1fr;
    }
    
    .pattern-grid {
        grid-template-columns: 1fr;
    }
    
    .container {
        padding: 20px;
        margin: 10px;
    }
    
    h1 {
        font-size: 2rem;
    }
}