/* Estilos globais */
:root {
  --color-primary: #00e5ff;
  --color-primary-dark: #00b8d4;
  --color-secondary: #7b1fa2;
  --color-secondary-dark: #6a1b9a;
  --color-accent: #ff9100;
  --color-background: #121212;
  --color-card-bg: #1e1e2f;
  --color-text-primary: #ffffff;
  --color-text-secondary: #b0bec5;
  --color-border: #2c2c44;
  --color-highlight-green: #00e676;
  --color-highlight-red: #ff1744;
  --border-radius: 8px;
  --spacing-unit: 8px;
  --font-family: 'Orbitron', sans-serif;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  line-height: 1.6;
}

#root {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* Header e navegação */
header {
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 20px;
  max-width: 1200px;
  margin: 0 auto;
  height: 60px;
}

.logo a {
  text-decoration: none;
  color: var(--color-primary);
  font-weight: bold;
  font-size: 1.5rem;
  display: flex;
  align-items: center;
}

nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav ul li {
  margin-left: 20px;
}

nav ul li a {
  text-decoration: none;
  color: var(--color-text-primary);
  font-weight: 500;
  padding: 8px 12px;
  border-radius: var(--border-radius);
  transition: all 0.3s ease;
}

nav ul li a:hover {
  background-color: rgba(255, 255, 255, 0.1);
  color: var(--color-primary);
}

nav ul li a.active {
  background-color: var(--color-primary);
  color: #000;
}

/* Conteúdo principal */
main {
  flex: 1;
  padding: 20px;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

/* Cards de teste */
.test-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 40px;
}

.test-card {
  background-color: var(--color-card-bg);
  border-radius: var(--border-radius);
  padding: 20px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--color-border);
}

.test-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
  border-color: var(--color-primary);
}

.test-card h3 {
  margin-top: 0;
  color: var(--color-primary);
  font-size: 1.5rem;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: 10px;
}

.test-card p {
  margin-bottom: 0;
  color: var(--color-text-secondary);
}

.test-card-link {
  text-decoration: none;
  color: inherit;
  height: 100%;
}

/* Cores específicas para cada card */
.mouse-card h3 {
  color: #ff4081;
}
.keyboard-card h3 {
  color: #00e5ff;
}
.webcam-card h3 {
  color: #76ff03;
}
.microphone-card h3 {
  color: #ffea00;
}
.audio-card h3 {
  color: #ff9100;
}
.touch-card h3 {
  color: #d500f9;
}
.hardware-card h3 {
  color: #00b0ff;
}
.reaction-card h3 {
  color: #ff5252;
}

/* Footer */
footer {
  background-color: rgba(0, 0, 0, 0.8);
  padding: 20px;
  text-align: center;
  margin-top: 40px;
  box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.3);
}

footer p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9rem;
}

/* Responsividade */
@media (max-width: 768px) {
  nav {
    flex-direction: column;
    height: auto;
    padding: 10px;
  }
  
  nav ul {
    flex-wrap: wrap;
    justify-content: center;
    margin-top: 10px;
  }
  
  nav ul li {
    margin: 5px;
  }
  
  .test-grid {
    grid-template-columns: 1fr;
  }
}

/* Animações e efeitos */
@keyframes glow {
  0% {
    text-shadow: 0 0 5px rgba(0, 229, 255, 0.5);
  }
  50% {
    text-shadow: 0 0 20px rgba(0, 229, 255, 0.8), 0 0 30px rgba(0, 229, 255, 0.5);
  }
  100% {
    text-shadow: 0 0 5px rgba(0, 229, 255, 0.5);
  }
}

.glow-text {
  animation: glow 2s infinite;
}

/* Botões e controles */
button, .btn {
  background-color: var(--color-primary);
  color: #000;
  border: none;
  padding: 10px 20px;
  border-radius: var(--border-radius);
  font-family: var(--font-family);
  font-weight: bold;
  cursor: pointer;
  transition: all 0.3s ease;
}

button:hover, .btn:hover {
  background-color: var(--color-primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
}

input, select, textarea {
  background-color: var(--color-card-bg);
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  padding: 10px;
  border-radius: var(--border-radius);
  font-family: var(--font-family);
}

input:focus, select:focus, textarea:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 2px rgba(0, 229, 255, 0.3);
}