/* Professional UI/UX Design System */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Professional Color Palette */
    --color-primary: #6366f1;
    --color-primary-dark: #4f46e5;
    --color-primary-light: #a5b4fc;
    --color-secondary: #ec4899;
    --color-success: #10b981;
    --color-warning: #f59e0b;
    --color-error: #ef4444;
    
    /* Neutral Colors */
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;
    
    /* Background */
    --bg-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --bg-card: #ffffff;
    --bg-surface: #f8fafc;
    --bg-overlay: rgba(0, 0, 0, 0.5);
    
    /* Typography */
    --font-primary: 'Space Grotesk', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-secondary: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', monospace;
    
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;
    --font-size-6xl: 3.75rem;
    
    /* Spacing */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.5rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* Base Styles */
html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    background: var(--bg-primary);
    background-attachment: fixed;
    color: var(--color-gray-800);
    line-height: 1.6;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-feature-settings: 'liga', 'kern';
    text-rendering: optimizeLegibility;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: var(--space-6);
}

/* Header */
header {
    text-align: center;
    margin-bottom: var(--space-12);
    padding: var(--space-16) var(--space-6);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-2xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

header h1 {
    font-family: var(--font-primary);
    font-size: var(--font-size-5xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--space-4);
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header p {
    font-family: var(--font-secondary);
    font-size: var(--font-size-xl);
    color: var(--color-gray-600);
    font-weight: 400;
    letter-spacing: 0.01em;
    line-height: 1.4;
}

/* Navigation Tabs */
.device-tabs {
    display: flex;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-xl);
    padding: var(--space-2);
    margin-bottom: var(--space-10);
    box-shadow: var(--shadow-lg);
    border: 1px solid rgba(255, 255, 255, 0.2);
    max-width: fit-content;
    margin-left: auto;
    margin-right: auto;
}

.tab-button {
    padding: var(--space-4) var(--space-8);
    border: none;
    background: transparent;
    color: var(--color-gray-600);
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
    letter-spacing: 0.01em;
}

.tab-button:hover {
    color: var(--color-primary);
    background: var(--color-gray-50);
}

.tab-button.active {
    background: var(--color-primary);
    color: white;
    box-shadow: var(--shadow-md);
}

.tab-button:focus {
    outline: 2px solid var(--color-primary);
    outline-offset: 2px;
}

/* Cards */
.test-section,
.connection-status,
.controller-info {
    background: var(--bg-card);
    border-radius: var(--radius-xl);
    padding: var(--space-8);
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-gray-200);
}

.test-section h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-3xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--space-6);
    display: flex;
    align-items: center;
    gap: var(--space-3);
    letter-spacing: -0.01em;
    line-height: 1.2;
}

/* Connection Status */
.status-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-4);
    margin-bottom: var(--space-5);
}

.status-dot {
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-error);
    position: relative;
}

.status-dot::after {
    content: '';
    position: absolute;
    top: -4px;
    left: -4px;
    right: -4px;
    bottom: -4px;
    border-radius: 50%;
    background: inherit;
    opacity: 0.3;
    animation: pulse 2s ease-in-out infinite;
}

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

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.3; }
    50% { transform: scale(1.2); opacity: 0.1; }
}

#statusText {
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-gray-900);
    letter-spacing: -0.01em;
}

.instruction {
    color: var(--color-gray-600);
    font-size: var(--font-size-base);
    text-align: center;
}

/* Controller Info Grid */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-4);
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-gray-200);
}

.info-item label {
    font-weight: 600;
    color: var(--color-gray-700);
}

.info-item span {
    font-weight: 700;
    color: var(--color-primary);
}

/* Button Grid */
.buttons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--space-4);
}

.button-tester {
    background: var(--color-gray-50);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    text-align: center;
    transition: var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.button-tester:hover {
    border-color: var(--color-primary-light);
    background: var(--color-gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.button-tester.pressed {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: scale(0.98);
    box-shadow: var(--shadow-lg);
}

.button-label {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-2);
    letter-spacing: 0.01em;
}

.button-value {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    font-weight: 500;
    letter-spacing: 0.02em;
}

.button-tester.pressed .button-value {
    color: rgba(255, 255, 255, 0.8);
}

/* Visual Controller */
.controller-visual {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-8);
}

.controller-svg {
    max-width: 100%;
    height: auto;
    background: var(--color-gray-800);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-xl);
}

.controller-btn {
    cursor: pointer;
    transition: var(--transition-base);
}

.controller-btn:hover {
    filter: brightness(1.2);
}

.controller-btn.pressed {
    filter: brightness(1.5) drop-shadow(0 0 10px var(--color-primary));
}

/* Keyboard Layout */
.keyboard-layout {
    background: var(--color-gray-800);
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    gap: var(--space-2);
    box-shadow: var(--shadow-xl);
}

.keyboard-row {
    display: flex;
    gap: var(--space-2);
    justify-content: center;
}

.key {
    background: var(--color-gray-700);
    border: 2px solid var(--color-gray-600);
    border-radius: var(--radius-md);
    padding: var(--space-3);
    min-width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: var(--font-size-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-base);
    user-select: none;
}

.key:hover {
    background: var(--color-gray-600);
    border-color: var(--color-primary);
    transform: translateY(-1px);
}

.key.pressed {
    background: var(--color-primary);
    border-color: var(--color-primary-dark);
    transform: scale(0.95);
    box-shadow: 0 0 20px rgba(99, 102, 241, 0.5);
}

.key-wide { min-width: 88px; }
.key-spacebar { min-width: 220px; }
.key-spacer { width: var(--space-6); }

/* Mouse Visual */
.mouse-visual {
    display: flex;
    justify-content: center;
    margin-bottom: var(--space-8);
}

.mouse-svg {
    background: var(--color-gray-800);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    box-shadow: var(--shadow-xl);
}

.mouse-btn.clickable {
    cursor: pointer;
    transition: var(--transition-base);
}

.mouse-btn.clickable:hover {
    filter: brightness(1.2);
}

.mouse-btn.clicked {
    fill: var(--color-primary) !important;
    filter: brightness(1.4);
}

/* Mouse Test Area */
.mouse-test-area {
    background: var(--color-gray-800);
    border-radius: var(--radius-xl);
    height: 300px;
    position: relative;
    overflow: hidden;
    cursor: crosshair;
    margin-bottom: var(--space-6);
    box-shadow: var(--shadow-xl);
}

.mouse-crosshair {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid var(--color-primary);
    border-radius: 50%;
    pointer-events: none;
    transform: translate(-50%, -50%);
    transition: var(--transition-fast);
    box-shadow: 0 0 10px var(--color-primary);
}

.mouse-coords {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-4);
}

.coord-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-3);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    font-family: var(--font-mono);
    font-size: var(--font-size-base);
    font-weight: 500;
    letter-spacing: 0.01em;
}

.coord-item label {
    font-weight: 600;
    color: var(--color-gray-700);
}

/* Typing Test */
.typing-area textarea {
    width: 100%;
    padding: var(--space-4);
    border: 2px solid var(--color-gray-300);
    border-radius: var(--radius-lg);
    font-size: var(--font-size-lg);
    font-family: var(--font-mono);
    resize: vertical;
    transition: var(--transition-base);
    background: var(--color-gray-50);
    line-height: 1.6;
    font-weight: 400;
}

.typing-area textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.typing-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: var(--space-4);
    margin-top: var(--space-6);
}

.stat-item {
    display: flex;
    justify-content: space-between;
    padding: var(--space-4);
    background: var(--color-gray-50);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-primary);
}

.stat-item label {
    font-weight: 600;
    color: var(--color-gray-700);
}

.stat-item span {
    font-weight: 600;
    color: var(--color-primary);
    font-family: var(--font-mono);
    font-size: var(--font-size-lg);
    letter-spacing: 0.01em;
}

/* Mouse Testing Grid Layout */
.mouse-testing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-8);
    align-items: start;
}

.mouse-testing-grid .test-section {
    margin-bottom: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* Gamepad Testing Grid Layout */
.gamepad-testing-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    margin-bottom: var(--space-8);
    align-items: start;
}

.gamepad-testing-grid .test-section {
    margin-bottom: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
}

/* Mouse Button Grid */
.mouse-buttons {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--space-3);
    flex: 1;
}

.mouse-button {
    background: var(--color-gray-50);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    text-align: center;
    transition: var(--transition-base);
    cursor: pointer;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-height: 80px;
}

.mouse-button:hover {
    border-color: var(--color-primary-light);
    background: var(--color-gray-100);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.mouse-button.clicked {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
    transform: scale(0.98);
    box-shadow: var(--shadow-lg);
}

.button-visual {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: var(--font-size-base);
    margin-bottom: var(--space-2);
}

.button-counter {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    font-weight: 500;
}

.mouse-button.clicked .button-counter {
    color: rgba(255, 255, 255, 0.8);
}

/* Scroll Test */
.scroll-test {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    flex: 1;
}

.scroll-indicator {
    background: var(--color-gray-800);
    color: white;
    padding: var(--space-6);
    border-radius: var(--radius-xl);
    text-align: center;
    position: relative;
    min-height: 140px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    flex: 1;
}

.scroll-direction {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    margin-bottom: var(--space-3);
    font-weight: 600;
}

.scroll-amount {
    font-family: var(--font-mono);
    font-size: var(--font-size-2xl);
    font-weight: 600;
}

.scroll-history {
    background: var(--color-gray-50);
    padding: var(--space-4);
    border-radius: var(--radius-lg);
    height: 120px;
    overflow-y: auto;
    border: 2px solid var(--color-gray-200);
}

.scroll-history h4 {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-2);
    color: var(--color-gray-700);
}

.scroll-log {
    font-family: var(--font-mono);
    font-size: var(--font-size-xs);
    line-height: 1.4;
    color: var(--color-gray-600);
}

/* Advanced Mouse Tests */
.advanced-mouse-tests {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    flex: 1;
}

.double-click-test h4,
.drag-test h4 {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-gray-700);
}

.double-click-area {
    background: var(--color-primary);
    color: white;
    padding: var(--space-5);
    border-radius: var(--radius-xl);
    text-align: center;
    cursor: pointer;
    transition: var(--transition-base);
    user-select: none;
    box-shadow: var(--shadow-md);
    min-height: 100px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.double-click-area:hover {
    background: var(--color-primary-dark);
    transform: scale(1.02);
    box-shadow: var(--shadow-lg);
}

.double-click-counter {
    margin-top: var(--space-2);
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    opacity: 0.9;
}

.drag-area {
    background: var(--color-gray-50);
    border: 2px dashed var(--color-gray-300);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    text-align: center;
    min-height: 100px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex: 1;
}

.draggable-item {
    background: var(--color-secondary);
    color: white;
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-lg);
    cursor: grab;
    user-select: none;
    font-family: var(--font-primary);
    font-weight: 600;
    transition: var(--transition-base);
    box-shadow: var(--shadow-md);
}

.draggable-item:active {
    cursor: grabbing;
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.drag-info {
    margin-top: var(--space-2);
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
    font-family: var(--font-mono);
    text-align: center;
}

/* Gamepad Testing Styles */
.sticks-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    flex: 1;
}

.stick-tester {
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    border: 3px solid transparent;
    border-radius: 24px;
    padding: var(--space-6);
    text-align: center;
    box-shadow: 
        0 20px 40px rgba(0,0,0,0.3),
        0 0 30px rgba(59, 130, 246, 0.2),
        inset 0 1px 0 rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.stick-tester::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ff006e, #8338ec, #3a86ff, #06ffa5, #ffbe0b, #fb5607);
    border-radius: 26px;
    z-index: -1;
    animation: rainbow-border 3s linear infinite;
    background-size: 400% 400%;
}

.stick-tester::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    border-radius: 22px;
    z-index: -1;
}

.stick-tester:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 
        0 30px 60px rgba(0,0,0,0.4),
        0 0 50px rgba(59, 130, 246, 0.4),
        inset 0 1px 0 rgba(255,255,255,0.2);
}

@keyframes rainbow-border {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.stick-tester h4 {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: #ffffff;
    text-shadow: 0 0 20px rgba(59, 130, 246, 0.8);
    background: linear-gradient(45deg, #3a86ff, #06ffa5, #ffbe0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: text-glow 2s ease-in-out infinite alternate;
}

@keyframes text-glow {
    from { filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.5)); }
    to { filter: drop-shadow(0 0 20px rgba(6, 255, 165, 0.8)); }
}

.stick-visualizer {
    width: 140px;
    height: 140px;
    background: radial-gradient(circle at 30% 30%, #1e293b, #0f172a);
    border-radius: 50%;
    margin: var(--space-4) auto;
    position: relative;
    border: 4px solid transparent;
    background-clip: padding-box;
    box-shadow: 
        0 0 40px rgba(59, 130, 246, 0.6),
        inset 0 0 30px rgba(0,0,0,0.7),
        0 8px 32px rgba(0,0,0,0.3);
    overflow: hidden;
}

.stick-visualizer::before {
    content: '';
    position: absolute;
    top: -6px;
    left: -6px;
    right: -6px;
    bottom: -6px;
    background: conic-gradient(
        from 0deg,
        #ff006e, #8338ec, #3a86ff, #06ffa5, #ffbe0b, #fb5607, #ff006e
    );
    border-radius: 50%;
    z-index: -1;
    animation: spin-glow 3s linear infinite;
}

.stick-visualizer::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    background: conic-gradient(from 0deg, #06ffa5, #3a86ff, #8338ec, #ff006e);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: pulse-center 2s ease-in-out infinite;
}

@keyframes spin-glow {
    0% { transform: rotate(0deg); filter: blur(2px); }
    50% { filter: blur(4px); }
    100% { transform: rotate(360deg); filter: blur(2px); }
}

@keyframes pulse-center {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 1; }
}

.stick-center {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 4px;
    height: 4px;
    background: var(--color-gray-400);
    border-radius: 50%;
    transform: translate(-50%, -50%);
}

.stick-indicator {
    position: absolute;
    width: 32px;
    height: 32px;
    background: radial-gradient(circle at 30% 30%, #06ffa5, #3a86ff);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    border: 4px solid rgba(255,255,255,0.9);
    box-shadow: 
        0 0 30px rgba(6, 255, 165, 0.8),
        0 0 60px rgba(58, 134, 255, 0.4),
        0 4px 20px rgba(0,0,0,0.3);
    z-index: 15;
    animation: stick-pulse 1.5s ease-in-out infinite;
}

.stick-indicator::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 12px;
    height: 12px;
    background: radial-gradient(circle, rgba(255,255,255,0.9), rgba(255,255,255,0.5));
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: inner-glow 1s ease-in-out infinite alternate;
}

@keyframes stick-pulse {
    0%, 100% { box-shadow: 0 0 30px rgba(6, 255, 165, 0.8), 0 0 60px rgba(58, 134, 255, 0.4), 0 4px 20px rgba(0,0,0,0.3); }
    50% { box-shadow: 0 0 50px rgba(6, 255, 165, 1), 0 0 80px rgba(58, 134, 255, 0.6), 0 4px 20px rgba(0,0,0,0.3); }
}

@keyframes inner-glow {
    from { opacity: 0.7; transform: translate(-50%, -50%) scale(0.8); }
    to { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.stick-values {
    display: flex;
    justify-content: space-between;
    font-family: var(--font-mono);
    font-size: var(--font-size-base);
    color: #ffffff;
    margin-top: var(--space-3);
    background: rgba(255,255,255,0.1);
    padding: var(--space-2) var(--space-3);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    text-shadow: 0 0 10px rgba(6, 255, 165, 0.6);
}

.triggers-container {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    flex: 1;
}

.trigger-tester {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, rgba(255,255,255,0.9) 100%);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    text-align: center;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    transition: var(--transition-base);
    position: relative;
    overflow: hidden;
}

.trigger-tester::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-success), var(--color-warning), var(--color-error));
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.trigger-tester:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-success-light);
}

.trigger-tester h4 {
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    margin-bottom: var(--space-3);
    color: var(--color-gray-700);
}

.trigger-bar {
    width: 100%;
    height: 28px;
    background: linear-gradient(135deg, #f1f5f9 0%, #e2e8f0 100%);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin: var(--space-4) 0;
    border: 3px solid transparent;
    background-clip: padding-box;
    box-shadow: 
        inset 0 2px 6px rgba(0,0,0,0.1),
        0 2px 8px rgba(0,0,0,0.05);
    position: relative;
}

.trigger-bar::before {
    content: '';
    position: absolute;
    top: -3px;
    left: -3px;
    right: -3px;
    bottom: -3px;
    background: linear-gradient(90deg, var(--color-success), var(--color-warning));
    border-radius: var(--radius-full);
    z-index: -1;
    opacity: 0.3;
}

.trigger-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--color-success) 0%, var(--color-warning) 70%, var(--color-error) 100%);
    width: 0%;
    transition: width 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--radius-full);
    position: relative;
    box-shadow: 
        0 0 20px rgba(34, 197, 94, 0.4),
        inset 0 1px 0 rgba(255,255,255,0.3);
}

.trigger-fill::after {
    content: '';
    position: absolute;
    top: 2px;
    left: 4px;
    right: 4px;
    height: 6px;
    background: linear-gradient(90deg, rgba(255,255,255,0.4), transparent);
    border-radius: var(--radius-full);
}

.trigger-value {
    font-family: var(--font-mono);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-gray-700);
}

.vibration-controls {
    display: flex;
    flex-direction: column;
    gap: var(--space-3);
    flex: 1;
}

.vibration-btn {
    background: linear-gradient(135deg, #ff006e 0%, #8338ec 50%, #3a86ff 100%);
    color: white;
    border: 3px solid transparent;
    padding: var(--space-4) var(--space-6);
    border-radius: 20px;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: var(--font-size-base);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 
        0 10px 30px rgba(255, 0, 110, 0.4),
        0 0 40px rgba(131, 56, 236, 0.3),
        inset 0 1px 0 rgba(255,255,255,0.2);
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    text-shadow: 0 0 20px rgba(255,255,255,0.5);
}

.vibration-btn::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ff006e, #8338ec, #3a86ff, #06ffa5, #ffbe0b);
    border-radius: 22px;
    z-index: -1;
    animation: vibration-glow 2s linear infinite;
    background-size: 300% 300%;
}

.vibration-btn::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #ff006e 0%, #8338ec 50%, #3a86ff 100%);
    border-radius: 18px;
    z-index: -1;
}

.vibration-btn:hover {
    transform: translateY(-6px) scale(1.05);
    box-shadow: 
        0 20px 50px rgba(255, 0, 110, 0.5),
        0 0 60px rgba(131, 56, 236, 0.4),
        inset 0 1px 0 rgba(255,255,255,0.3);
}

.vibration-btn:active {
    transform: translateY(-2px) scale(0.95);
    transition: all 0.1s;
}

@keyframes vibration-glow {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.vibration-status {
    background: var(--color-gray-50);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin-top: var(--space-3);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
    text-align: center;
}

.diagnostics-panel {
    background: linear-gradient(135deg, var(--color-gray-50) 0%, rgba(255,255,255,0.95) 100%);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--space-5);
    flex: 1;
    box-shadow: var(--shadow-lg);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.diagnostics-panel::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-success), var(--color-primary), var(--color-secondary));
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.diagnostic-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4) var(--space-5);
    margin-bottom: var(--space-3);
    border-radius: var(--radius-xl);
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(22, 33, 62, 0.9) 100%);
    border: 2px solid rgba(58, 134, 255, 0.3);
    transition: var(--transition-base);
    backdrop-filter: blur(10px);
    box-shadow: 
        0 4px 16px rgba(0,0,0,0.2),
        inset 0 1px 0 rgba(255,255,255,0.1);
}

.diagnostic-item:hover {
    background: linear-gradient(135deg, rgba(26, 26, 46, 1) 0%, rgba(22, 33, 62, 1) 100%);
    transform: translateX(6px) scale(1.02);
    box-shadow: 
        0 8px 24px rgba(0,0,0,0.3),
        0 0 30px rgba(58, 134, 255, 0.4),
        inset 0 1px 0 rgba(255,255,255,0.2);
    border-color: rgba(58, 134, 255, 0.6);
}

.diagnostic-item:last-child {
    border-bottom: none;
}

.diagnostic-label {
    font-family: var(--font-primary);
    font-weight: 600;
    color: #ffffff;
    text-shadow: 0 0 10px rgba(58, 134, 255, 0.6);
    font-size: var(--font-size-base);
}

.diagnostic-status {
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    font-weight: 700;
    padding: var(--space-2) var(--space-4);
    border-radius: var(--radius-full);
    background: linear-gradient(135deg, #06ffa5 0%, #3a86ff 100%);
    color: #ffffff;
    text-shadow: 0 0 10px rgba(0,0,0,0.5);
    box-shadow: 
        0 4px 12px rgba(6, 255, 165, 0.4),
        0 0 20px rgba(58, 134, 255, 0.3);
    border: 2px solid rgba(255,255,255,0.2);
    animation: status-glow 2s ease-in-out infinite alternate;
}

@keyframes status-glow {
    from { box-shadow: 0 4px 12px rgba(6, 255, 165, 0.4), 0 0 20px rgba(58, 134, 255, 0.3); }
    to { box-shadow: 0 6px 16px rgba(6, 255, 165, 0.6), 0 0 30px rgba(58, 134, 255, 0.5); }
}

/* Modern Status Icons */
.status-icon {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: var(--space-2);
    position: relative;
    vertical-align: middle;
}

.status-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: pulse-status 2s ease-in-out infinite;
}

.status-ok {
    background: linear-gradient(135deg, #06ffa5 0%, #00d084 100%);
    box-shadow: 
        0 0 15px rgba(6, 255, 165, 0.6),
        inset 0 1px 0 rgba(255,255,255,0.3);
}

.status-ok::before {
    background: rgba(255,255,255,0.9);
}

.status-warning {
    background: linear-gradient(135deg, #ffbe0b 0%, #ff8500 100%);
    box-shadow: 
        0 0 15px rgba(255, 190, 11, 0.6),
        inset 0 1px 0 rgba(255,255,255,0.3);
}

.status-warning::before {
    background: rgba(255,255,255,0.9);
}

.status-error {
    background: linear-gradient(135deg, #ff006e 0%, #c1121f 100%);
    box-shadow: 
        0 0 15px rgba(255, 0, 110, 0.6),
        inset 0 1px 0 rgba(255,255,255,0.3);
}

.status-error::before {
    background: rgba(255,255,255,0.9);
}

@keyframes pulse-status {
    0%, 100% { opacity: 0.8; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.2); }
}

/* Modern Section Icons */
.section-icon {
    display: inline-block;
    width: 20px;
    height: 20px;
    margin-right: var(--space-3);
    border-radius: 50%;
    position: relative;
    vertical-align: middle;
}

.section-icon::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
}

.analog-icon {
    background: linear-gradient(135deg, #3a86ff 0%, #06ffa5 100%);
    box-shadow: 0 0 20px rgba(58, 134, 255, 0.5);
}

.analog-icon::before {
    width: 8px;
    height: 8px;
    background: #ffffff;
    box-shadow: 0 0 10px rgba(255,255,255,0.8);
    animation: rotate-icon 3s linear infinite;
}

.trigger-icon {
    background: linear-gradient(135deg, #06ffa5 0%, #ffbe0b 100%);
    box-shadow: 0 0 20px rgba(6, 255, 165, 0.5);
}

.trigger-icon::before {
    width: 12px;
    height: 4px;
    background: #ffffff;
    border-radius: 2px;
    animation: pulse-trigger 2s ease-in-out infinite;
}

.vibration-icon {
    background: linear-gradient(135deg, #ff006e 0%, #8338ec 100%);
    box-shadow: 0 0 20px rgba(255, 0, 110, 0.5);
}

.vibration-icon::before {
    width: 6px;
    height: 6px;
    background: #ffffff;
    animation: vibrate-icon 0.5s ease-in-out infinite alternate;
}

.diagnostics-icon {
    background: linear-gradient(135deg, #8338ec 0%, #3a86ff 100%);
    box-shadow: 0 0 20px rgba(131, 56, 236, 0.5);
}

.diagnostics-icon::before {
    width: 10px;
    height: 10px;
    background: #ffffff;
    border-radius: 2px;
    animation: scan-icon 2s ease-in-out infinite;
}

@keyframes rotate-icon {
    0% { transform: translate(-50%, -50%) rotate(0deg); }
    100% { transform: translate(-50%, -50%) rotate(360deg); }
}

@keyframes pulse-trigger {
    0%, 100% { width: 8px; opacity: 0.8; }
    50% { width: 12px; opacity: 1; }
}

@keyframes vibrate-icon {
    0% { transform: translate(-50%, -50%) translateX(-1px); }
    100% { transform: translate(-50%, -50%) translateX(1px); }
}

@keyframes scan-icon {
    0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(0.8); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

/* Overall Status Message */
.overall-status {
    margin: var(--space-8) 0;
    padding: 0 var(--space-4);
}

.status-message {
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    border: 3px solid transparent;
    border-radius: 24px;
    padding: var(--space-8);
    text-align: center;
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(20px);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.status-message::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ff006e, #8338ec, #3a86ff, #06ffa5, #ffbe0b, #fb5607);
    border-radius: 26px;
    z-index: -1;
    animation: rainbow-border 3s linear infinite;
    background-size: 400% 400%;
}

.status-message::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    border-radius: 22px;
    z-index: -1;
}

.status-message h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
    font-weight: 700;
    margin-bottom: var(--space-4);
    color: #ffffff;
    background: linear-gradient(45deg, #3a86ff, #06ffa5, #ffbe0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(58, 134, 255, 0.8);
}

.status-message p {
    font-family: var(--font-secondary);
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: #ffffff;
    margin: 0;
    text-shadow: 0 0 15px rgba(6, 255, 165, 0.6);
    line-height: 1.6;
}

/* Status States */
.status-message.connecting {
    box-shadow: 
        0 20px 40px rgba(0,0,0,0.3),
        0 0 30px rgba(255, 190, 11, 0.3);
}

.status-message.connected {
    box-shadow: 
        0 20px 40px rgba(0,0,0,0.3),
        0 0 30px rgba(58, 134, 255, 0.4);
}

.status-message.perfect {
    box-shadow: 
        0 30px 60px rgba(0,0,0,0.4),
        0 0 50px rgba(6, 255, 165, 0.6);
    animation: perfect-glow 2s ease-in-out infinite alternate;
}

.status-message.issues {
    box-shadow: 
        0 20px 40px rgba(0,0,0,0.3),
        0 0 30px rgba(255, 0, 110, 0.4);
}

@keyframes perfect-glow {
    from { 
        box-shadow: 
            0 30px 60px rgba(0,0,0,0.4),
            0 0 50px rgba(6, 255, 165, 0.6);
    }
    to { 
        box-shadow: 
            0 35px 70px rgba(0,0,0,0.5),
            0 0 70px rgba(6, 255, 165, 0.8);
    }
}

/* Testing Mode Selector */
.testing-mode-selector {
    margin: var(--space-8) var(--space-4);
    padding: var(--space-6);
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    border-radius: 24px;
    border: 3px solid transparent;
    position: relative;
    overflow: hidden;
}

.testing-mode-selector::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ff006e, #8338ec, #3a86ff, #06ffa5);
    border-radius: 26px;
    z-index: -1;
    animation: rainbow-border 3s linear infinite;
    background-size: 400% 400%;
}

.testing-mode-selector::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    border-radius: 22px;
    z-index: -1;
}

.testing-mode-selector h3 {
    text-align: center;
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: #ffffff;
    margin-bottom: var(--space-6);
    background: linear-gradient(45deg, #3a86ff, #06ffa5, #ffbe0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.mode-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
}

.mode-btn {
    background: linear-gradient(135deg, rgba(26, 26, 46, 0.9) 0%, rgba(22, 33, 62, 0.9) 100%);
    border: 2px solid rgba(58, 134, 255, 0.3);
    border-radius: var(--radius-xl);
    padding: var(--space-6);
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    display: flex;
    align-items: center;
    gap: var(--space-4);
    backdrop-filter: blur(10px);
}

.mode-btn:hover {
    transform: translateY(-4px) scale(1.02);
    border-color: rgba(58, 134, 255, 0.6);
    box-shadow: 0 20px 40px rgba(0,0,0,0.3), 0 0 30px rgba(58, 134, 255, 0.4);
}

.mode-btn.active {
    border-color: rgba(6, 255, 165, 0.8);
    box-shadow: 0 15px 30px rgba(0,0,0,0.2), 0 0 40px rgba(6, 255, 165, 0.5);
}

.mode-icon {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.user-icon {
    background: linear-gradient(135deg, #3a86ff 0%, #06ffa5 100%);
    box-shadow: 0 0 20px rgba(58, 134, 255, 0.5);
}

.system-icon {
    background: linear-gradient(135deg, #ff006e 0%, #8338ec 100%);
    box-shadow: 0 0 20px rgba(255, 0, 110, 0.5);
}

.mode-info {
    flex: 1;
}

.mode-info h4 {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: #ffffff;
    margin-bottom: var(--space-2);
}

.mode-info p {
    font-family: var(--font-secondary);
    font-size: var(--font-size-sm);
    color: rgba(255,255,255,0.7);
    margin: 0;
}

/* System Testing Panel */
.system-testing-panel {
    margin: var(--space-8) var(--space-4);
    padding: var(--space-6);
    background: linear-gradient(145deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
    border-radius: 24px;
    border: 3px solid rgba(255, 0, 110, 0.3);
    position: relative;
    overflow: hidden;
}

.system-test-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--space-6);
}

.system-test-header h3 {
    font-family: var(--font-primary);
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: #ffffff;
    background: linear-gradient(45deg, #ff006e, #8338ec, #3a86ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.start-test-btn {
    background: linear-gradient(135deg, #ff006e 0%, #8338ec 100%);
    color: white;
    border: none;
    padding: var(--space-4) var(--space-6);
    border-radius: var(--radius-xl);
    font-family: var(--font-primary);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    gap: var(--space-2);
    box-shadow: 0 4px 16px rgba(255, 0, 110, 0.3);
}

.start-test-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(255, 0, 110, 0.4);
}

.test-results {
    display: grid;
    gap: var(--space-3);
    margin-bottom: var(--space-6);
}

.test-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-4);
    background: rgba(255,255,255,0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255,255,255,0.1);
}

.test-name {
    font-family: var(--font-secondary);
    font-weight: 500;
    color: #ffffff;
}

.test-status {
    font-family: var(--font-mono);
    font-weight: 600;
    font-size: var(--font-size-sm);
    padding: var(--space-1) var(--space-3);
    border-radius: var(--radius-full);
    text-transform: uppercase;
}

.test-status.pending {
    background: rgba(255, 190, 11, 0.2);
    color: #ffbe0b;
    border: 1px solid rgba(255, 190, 11, 0.3);
}

.test-status.testing {
    background: rgba(58, 134, 255, 0.2);
    color: #3a86ff;
    border: 1px solid rgba(58, 134, 255, 0.3);
    animation: pulse-testing 1s ease-in-out infinite;
}

.test-status.passed {
    background: rgba(6, 255, 165, 0.2);
    color: #06ffa5;
    border: 1px solid rgba(6, 255, 165, 0.3);
}

.test-status.failed {
    background: rgba(255, 0, 110, 0.2);
    color: #ff006e;
    border: 1px solid rgba(255, 0, 110, 0.3);
}

.test-progress {
    text-align: center;
}

.progress-bar {
    width: 100%;
    height: 12px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-full);
    overflow: hidden;
    margin-bottom: var(--space-4);
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #ff006e 0%, #8338ec 50%, #3a86ff 100%);
    width: 0%;
    transition: width 0.5s ease;
    border-radius: var(--radius-full);
}

#progressText {
    font-family: var(--font-secondary);
    color: rgba(255,255,255,0.8);
    margin: 0;
}

@keyframes pulse-testing {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.6; }
}

/* Mouse Movement Testing Styles */
.mouse-test-area {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    border: 3px solid transparent;
    border-radius: 24px;
    height: 350px;
    position: relative;
    margin-bottom: var(--space-6);
    overflow: hidden;
    cursor: crosshair;
    box-shadow: 
        0 20px 40px rgba(0,0,0,0.3),
        0 0 30px rgba(59, 130, 246, 0.2),
        inset 0 1px 0 rgba(255,255,255,0.1);
    backdrop-filter: blur(20px);
}

.mouse-test-area::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    right: -2px;
    bottom: -2px;
    background: linear-gradient(45deg, #ff006e, #8338ec, #3a86ff, #06ffa5, #ffbe0b, #fb5607);
    border-radius: 26px;
    z-index: -1;
    animation: rainbow-border 3s linear infinite;
    background-size: 400% 400%;
}

.mouse-test-area::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    border-radius: 22px;
    z-index: -1;
}

.mouse-tracker {
    position: relative;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(59, 130, 246, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(236, 72, 153, 0.1) 0%, transparent 50%),
        linear-gradient(45deg, rgba(6, 255, 165, 0.05) 0%, rgba(255, 0, 110, 0.05) 100%);
    background-size: 200px 200px, 150px 150px, 100% 100%;
    background-position: 0% 0%, 100% 100%, 0% 0%;
    animation: bg-float 20s ease-in-out infinite;
}

@keyframes bg-float {
    0%, 100% { background-position: 0% 0%, 100% 100%, 0% 0%; }
    25% { background-position: 100% 0%, 0% 100%, 25% 25%; }
    50% { background-position: 100% 100%, 0% 0%, 50% 50%; }
    75% { background-position: 0% 100%, 100% 0%, 75% 75%; }
}

.mouse-crosshair {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid #06ffa5;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    pointer-events: none;
    transition: all 0.1s ease;
    box-shadow: 
        0 0 20px rgba(6, 255, 165, 0.8),
        inset 0 0 10px rgba(6, 255, 165, 0.3);
    animation: crosshair-pulse 2s ease-in-out infinite;
}

.mouse-crosshair::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 8px;
    height: 8px;
    background: #06ffa5;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    animation: center-glow 1s ease-in-out infinite alternate;
}

@keyframes crosshair-pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); }
    50% { transform: translate(-50%, -50%) scale(1.1); }
}

@keyframes center-glow {
    from { opacity: 0.7; box-shadow: 0 0 5px rgba(6, 255, 165, 0.5); }
    to { opacity: 1; box-shadow: 0 0 15px rgba(6, 255, 165, 0.8); }
}

.mouse-trail {
    position: absolute;
    width: 6px;
    height: 6px;
    background: radial-gradient(circle, #ff006e, #8338ec);
    border-radius: 50%;
    pointer-events: none;
    opacity: 0.8;
    animation: trail-fade 1s ease-out forwards;
    box-shadow: 0 0 10px rgba(255, 0, 110, 0.6);
}

@keyframes trail-fade {
    0% { opacity: 0.8; transform: scale(1); }
    100% { opacity: 0; transform: scale(0.3); }
}

.mouse-coords {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    display: flex;
    gap: var(--space-4);
    pointer-events: none;
}

.coord-item {
    background: rgba(255,255,255,0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255,255,255,0.2);
    border-radius: var(--radius-lg);
    padding: var(--space-2) var(--space-3);
    color: #ffffff;
    font-family: var(--font-mono);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-shadow: 0 0 10px rgba(6, 255, 165, 0.6);
    box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

.coord-item label {
    color: rgba(255,255,255,0.8);
    margin-right: var(--space-1);
}

.coord-item span {
    color: #06ffa5;
    text-shadow: 0 0 8px rgba(6, 255, 165, 0.8);
    animation: value-glow 2s ease-in-out infinite alternate;
}

@keyframes value-glow {
    from { text-shadow: 0 0 8px rgba(6, 255, 165, 0.6); }
    to { text-shadow: 0 0 15px rgba(6, 255, 165, 1); }
}

/* Diagnostic Details Panels */
.diagnostic-details {
    margin: var(--space-3) 0;
    padding: 0;
    overflow: hidden;
    transition: all 0.3s ease;
}

.diagnostic-details:empty {
    display: none;
}

.issue-detail {
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.9) 0%, rgba(30, 41, 59, 0.9) 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-4);
    margin: var(--space-2) 0;
    backdrop-filter: blur(10px);
    box-shadow: 
        0 8px 32px rgba(0, 0, 0, 0.3),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    animation: slide-in 0.4s ease-out;
}

@keyframes slide-in {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.issue-detail h4 {
    margin: 0 0 var(--space-3) 0;
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: #ffffff;
    text-shadow: 0 0 10px rgba(255, 255, 255, 0.3);
}

.issue-detail p {
    margin: var(--space-2) 0;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    font-size: var(--font-size-sm);
}

.issue-detail strong {
    color: #06ffa5;
    text-shadow: 0 0 5px rgba(6, 255, 165, 0.5);
    font-weight: 600;
}

.issue-detail ul {
    margin: var(--space-2) 0;
    padding-left: var(--space-4);
    color: rgba(255, 255, 255, 0.8);
}

.issue-detail li {
    margin: var(--space-1) 0;
    line-height: 1.5;
    position: relative;
}

.issue-detail li::marker {
    color: #8338ec;
    content: "▸ ";
}

/* Status-specific styling for issue details */
.diagnostic-status.error + .diagnostic-details .issue-detail {
    border-left: 4px solid #ff006e;
    box-shadow: 
        0 8px 32px rgba(255, 0, 110, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.diagnostic-status.warning + .diagnostic-details .issue-detail {
    border-left: 4px solid #ffbe0b;
    box-shadow: 
        0 8px 32px rgba(255, 190, 11, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.diagnostic-status.good + .diagnostic-details .issue-detail {
    border-left: 4px solid #06ffa5;
    box-shadow: 
        0 8px 32px rgba(6, 255, 165, 0.2),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

/* Responsive adjustments for diagnostic details */
@media (max-width: 768px) {
    .diagnostic-details {
        margin: var(--space-2) 0;
    }
    
    .issue-detail {
        padding: var(--space-3);
        margin: var(--space-1) 0;
    }
    
    .issue-detail h4 {
        font-size: var(--font-size-base);
        margin-bottom: var(--space-2);
    }
    
    .issue-detail p,
    .issue-detail li {
        font-size: var(--font-size-xs);
    }
}

@media (max-width: 768px) {
    .mode-buttons {
        grid-template-columns: 1fr;
    }
    
    .system-test-header {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .mouse-testing-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .mouse-testing-grid .test-section {
        height: auto;
    }
    
    .gamepad-testing-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--space-4);
    }
}

@media (max-width: 768px) {
    .container {
        padding: var(--space-4);
    }
    
    header {
        padding: var(--space-10) var(--space-4);
    }
    
    header h1 {
        font-size: var(--font-size-3xl);
    }
    
    .device-tabs {
        flex-direction: column;
        gap: var(--space-2);
    }
    
    .buttons-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }
    
    .key {
        min-width: 36px;
        height: 36px;
        font-size: var(--font-size-xs);
    }
    
    .key-wide { min-width: 72px; }
    .key-spacebar { min-width: 180px; }
    
    .mouse-testing-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .mouse-buttons {
        grid-template-columns: repeat(3, 1fr);
    }
    
    .scroll-test {
        flex-direction: row;
        gap: var(--space-3);
    }
    
    .scroll-history {
        height: 100px;
    }
    
    .advanced-mouse-tests {
        flex-direction: row;
        gap: var(--space-3);
    }
    
    .gamepad-testing-grid {
        grid-template-columns: 1fr;
        gap: var(--space-4);
    }
    
    .sticks-container {
        flex-direction: row;
        gap: var(--space-3);
    }
    
    .triggers-container {
        flex-direction: row;
        gap: var(--space-3);
    }
    
    .vibration-controls {
        flex-direction: row;
        gap: var(--space-2);
    }
}

/* Animations */
.fade-in {
    animation: fadeIn 0.5s ease-out;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}