:root {
    --bg-primary: #0a0e27;
    --bg-secondary: #151932;
    --bg-panel: rgba(21, 25, 50, 0.8);
    --accent-primary: #00d4ff;
    --accent-secondary: #7b2cbf;
    --accent-gradient: linear-gradient(135deg, #00d4ff 0%, #7b2cbf 100%);
    --text-primary: #ffffff;
    --text-secondary: #a0aec0;
    --border-color: rgba(0, 212, 255, 0.2);
    --success: #10b981;
    --warning: #f59e0b;
    --error: #ef4444;
    --x-color: #ff6b6b;
    --y-color: #4ecdc4;
    --z-color: #ffe66d;
}

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

body {
    font-family: 'Inter', 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    background-image:
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(123, 44, 191, 0.1) 0%, transparent 50%);
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
    padding: 2rem;
    background: var(--bg-panel);
    border-radius: 20px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

h1 {
    font-size: 2.5rem;
    font-weight: 700;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 0.5rem;
}

.subtitle {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.control-panel {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-panel);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
    flex-wrap: wrap;
}

.connection-mode {
    display: flex;
    gap: 1rem;
    padding: 0.5rem;
    background: var(--bg-secondary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.mode-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mode-label:hover {
    background: rgba(0, 212, 255, 0.1);
}

.mode-label input[type="radio"] {
    display: none;
}

.mode-label input[type="radio"]:checked+.mode-text {
    color: var(--accent-primary);
    font-weight: 600;
}

.mode-label input[type="radio"]:checked~* {
    color: var(--accent-primary);
}

.mode-text {
    color: var(--text-secondary);
    font-size: 0.95rem;
    transition: all 0.3s ease;
}

.btn-primary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    background: var(--accent-gradient);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 212, 255, 0.4);
}

.btn-primary:active {
    transform: translateY(0);
}

.btn-primary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.btn-icon {
    font-size: 1.2rem;
}

.btn-secondary {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
    background: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    border: none;
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(245, 158, 11, 0.3);
}

.btn-secondary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}

.btn-secondary:active {
    transform: translateY(0);
}

.btn-secondary:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

.status {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
}

.status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    animation: pulse 2s infinite;
}

.status.disconnected .status-dot {
    background: var(--text-secondary);
}

.status.connected .status-dot {
    background: var(--success);
}

.status.error .status-dot {
    background: var(--error);
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

/* Settings Panel */
.settings-panel {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-panel);
    border-radius: 15px;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.settings-panel h3 {
    font-size: 1.2rem;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
}

.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.setting-item {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.setting-item label {
    color: var(--text-secondary);
    font-size: 0.95rem;
}

.setting-item label span {
    color: var(--accent-primary);
    font-weight: 600;
}

/* Toggle Switch */
.toggle-label {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
}

.toggle-label input[type="checkbox"] {
    display: none;
}

.toggle-slider {
    position: relative;
    width: 50px;
    height: 26px;
    background: var(--bg-secondary);
    border-radius: 13px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.toggle-slider::before {
    content: '';
    position: absolute;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--text-secondary);
    top: 2px;
    left: 3px;
    transition: all 0.3s ease;
}

.toggle-label input[type="checkbox"]:checked+.toggle-slider {
    background: var(--accent-gradient);
    border-color: var(--accent-primary);
}

.toggle-label input[type="checkbox"]:checked+.toggle-slider::before {
    transform: translateX(24px);
    background: white;
}

.toggle-text {
    color: var(--text-primary) !important;
    font-weight: 600 !important;
}

/* Slider */
.slider {
    width: 100%;
    height: 6px;
    border-radius: 3px;
    background: var(--bg-secondary);
    outline: none;
    -webkit-appearance: none;
    appearance: none;
}

.slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-gradient);
    cursor: pointer;
    box-shadow: 0 2px 8px rgba(0, 212, 255, 0.4);
    transition: all 0.2s ease;
}

.slider::-webkit-slider-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 3px 12px rgba(0, 212, 255, 0.6);
}

.slider::-moz-range-thumb {
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background: var(--accent-gradient);
    cursor: pointer;
    border: none;
    box-shadow: 0 2px 8px rgba(0, 212, 255, 0.4);
    transition: all 0.2s ease;
}

.slider::-moz-range-thumb:hover {
    transform: scale(1.2);
    box-shadow: 0 3px 12px rgba(0, 212, 255, 0.6);
}

.main-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.panel {
    background: var(--bg-panel);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid var(--border-color);
    backdrop-filter: blur(10px);
}

.panel h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--accent-primary);
}

.panel h3 {
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

#threejs-container {
    width: 100%;
    height: 400px;
    background: var(--bg-secondary);
    border-radius: 15px;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.orientation-info {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
}

.orientation-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.orientation-item .label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 0.5rem;
}

.orientation-item .value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent-primary);
}

.sensor-group {
    margin-bottom: 2rem;
}

.sensor-values {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.sensor-value {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.sensor-value:hover {
    border-color: var(--accent-primary);
    transform: translateX(5px);
}

.axis {
    display: inline-block;
    width: 30px;
    height: 30px;
    line-height: 30px;
    text-align: center;
    border-radius: 8px;
    font-weight: 700;
    font-size: 0.9rem;
}

.x-axis {
    background: var(--x-color);
    color: #fff;
}

.y-axis {
    background: var(--y-color);
    color: #fff;
}

.z-axis {
    background: var(--z-color);
    color: #000;
}

.value {
    font-size: 1.2rem;
    font-weight: 600;
    font-family: 'Courier New', monospace;
}

.value.large {
    font-size: 2rem;
}

.sensor-value.temperature {
    justify-content: center;
    gap: 0.5rem;
}

.unit {
    font-size: 1.2rem;
    color: var(--text-secondary);
}

.stats {
    margin-top: 2rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
}

.stat-label {
    color: var(--text-secondary);
}

.stat-value {
    font-weight: 600;
    color: var(--accent-primary);
}

.charts-container {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.device-selector {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding: 0.75rem 1rem;
    background: var(--bg-secondary);
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.device-selector-label {
    color: var(--text-secondary);
    font-weight: 600;
    white-space: nowrap;
}

.device-select {
    flex: 1;
    padding: 0.6rem 0.75rem;
    border-radius: 10px;
    background: var(--bg-panel);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
    outline: none;
    cursor: pointer;
}

.chart-panel {
    height: 300px;
}

.chart-panel canvas {
    max-height: 220px;
}

footer {
    text-align: center;
    padding: 2rem;
    color: var(--text-secondary);
    background: var(--bg-panel);
    border-radius: 15px;
    border: 1px solid var(--border-color);
}

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

    .charts-container {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }

    h1 {
        font-size: 1.8rem;
    }

    .control-panel {
        flex-direction: column;
        gap: 1rem;
    }

    .orientation-info {
        grid-template-columns: 1fr;
    }

    .settings-grid {
        grid-template-columns: 1fr;
    }
}