:root {
    --primary: #6366f1;
    --secondary: #8b5cf6;
    --dark: #1e1b4b;
    --darker: #0f172a;
}

body {
    background: linear-gradient(135deg, var(--darker) 0%, var(--dark) 100%);
    min-height: 100vh;
    color: #e2e8f0;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    padding-top: 80px;
}

.navbar-custom {
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding: 1rem 0;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 700;
    font-size: 1.5rem;
    color: #fff !important;
}

.brand-logo {
    width: 45px;
    height: 45px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.navbar-nav .nav-link {
    color: #e2e8f0 !important;
    font-weight: 500;
    padding: 0.5rem 1.25rem !important;
    transition: all 0.3s ease;
    position: relative;
}

.navbar-nav .nav-link:hover {
    color: var(--primary) !important;
    transform: translateY(-2px);
}

.navbar-nav .nav-link.active {
    color: var(--primary) !important;
}

.navbar-nav .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 2px;
}

.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.2);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255, 255, 255, 0.8%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

.hero-section {
    padding: 4rem 0 3rem;
    text-align: center;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 1rem;
}

.status-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
    transition: all 0.3s ease;
}

.status-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.2);
}

.gamepad-icon {
    font-size: 4rem;
    color: var(--primary);
    margin-bottom: 1rem;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.connected {
    color: #10b981;
}

.disconnected {
    color: #ef4444;
}

.button-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
    gap: 1rem;
    margin-top: 2rem;
}

.button-item {
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 1rem;
    text-align: center;
    transition: all 0.2s ease;
}

.button-item.active {
    background: var(--primary);
    border-color: var(--primary);
    transform: scale(1.1);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.axis-container {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    margin-top: 1rem;
}

.axis-bar {
    height: 30px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    margin-bottom: 1rem;
}

.axis-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    border-radius: 15px;
    transition: width 0.1s ease;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.badge-custom {
    background: var(--primary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
}

.info-section {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 15px;
    padding: 1.5rem;
    margin-top: 2rem;
}

.gamepad-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(99, 102, 241, 0.3);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.gamepad-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.gamepad-number {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.seo-section {
    background: rgba(255, 255, 255, 0.03);
    border-radius: 15px;
    padding: 2rem;
    margin-top: 3rem;
}

.seo-section h2 {
    color: var(--primary);
    margin-bottom: 1rem;
}

.seo-section p {
    line-height: 1.8;
    color: #cbd5e1;
}

.calibration-section {
    background: rgba(139, 92, 246, 0.1);
    border: 2px solid rgba(139, 92, 246, 0.3);
    border-radius: 20px;
    padding: 2rem;
    margin-bottom: 2rem;
}

.calibration-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.calibration-step {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    border-left: 4px solid var(--primary);
}

.calibration-progress {
    height: 8px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    margin: 1rem 0;
    overflow: hidden;
}

.calibration-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary), var(--secondary));
    transition: width 0.3s ease;
}

.deadzone-slider {
    width: 100%;
    margin: 1rem 0;
}

.calibration-visual {
    width: 200px;
    height: 200px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    margin: 2rem auto;
    position: relative;
}

.calibration-center {
    width: 20px;
    height: 20px;
    background: var(--primary);
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.8);
}

.calibration-pointer {
    width: 16px;
    height: 16px;
    background: #10b981;
    border-radius: 50%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.1s ease;
    box-shadow: 0 0 15px rgba(16, 185, 129, 0.8);
}

.btn-calibrate {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border: none;
    color: white;
    padding: 0.75rem 2rem;
    border-radius: 12px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-calibrate:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(99, 102, 241, 0.4);
}

.deadzone-indicator {
    position: absolute;
    border: 2px dashed rgba(239, 68, 68, 0.5);
    border-radius: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
}