:root {
  --orange: #ff7a00;
  --dark-bg: #0e0e0e;
  --card-bg: #1a1a1a;
  --text-light: #ccc;
}

body {
  margin: 0;
  font-family: Arial, sans-serif;
  background: linear-gradient(180deg, #1c1c1c 0%, #000 100%);
  color: #fff;
  padding: 1rem;
  overflow-x: hidden;
  min-height: 100vh;
}

.container {
  max-width: 1000px;
  margin: 0 auto;
}

.logo {
  font-size: 2.8rem;
  font-weight: bold;
  text-align: center;
  margin: 2rem 0 1rem;
  letter-spacing: 1px;
  animation: glitch 2s infinite;
}

.logo a {
  color: #fff;
  text-decoration: none;
}

.logo a:hover {
  text-decoration: underline;
}

@keyframes glitch {
  0% {
    text-shadow: 1px 1px var(--orange);
  }

  25% {
    text-shadow: -1px -1px var(--orange);
  }

  50% {
    text-shadow: 2px 0 var(--orange);
  }

  75% {
    text-shadow: -2px 1px var(--orange);
  }

  100% {
    text-shadow: 0 0 var(--orange);
  }
}

h1,
h2 {
  color: var(--orange);
  text-align: center;
}

.device-selector {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
  margin-bottom: 2rem;
}

.device-btn {
  background: #000;
  color: var(--orange);
  border: 1px solid var(--orange);
  padding: 1rem 1.5rem;
  border-radius: 18px;
  cursor: pointer;
  transition: all 0.3s ease;
  text-align: center;
  font-size: 1rem;
  font-weight: 500;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 0.6rem;
}

.device-btn:hover,
.device-btn.active {
  background-color: #1c1c1c;
  color: #fff;
  box-shadow: 0 0 8px rgba(255, 122, 0, 0.4);
}

.device-btn i {
  font-size: 1.2rem;
}

/* Локальные SVG-иконки */
.icon {
  width: 1.2rem;
  height: 1.2rem;
  fill: currentColor;
  display: inline-block;
}

.manual-section {
  display: none;
  flex-direction: column;
  gap: 2rem;
  animation: fadeIn 0.4s ease;
}

.manual-container {
  background: var(--card-bg);
  padding: 1.2rem 1.5rem;
  border-radius: 14px;
  box-shadow: 0 0 10px rgba(255, 122, 0, 0.15);
  animation: stepIn 0.5s ease forwards;
}

.manual-container h2 {
  margin-top: 0;
  color: var(--orange);
}

.manual-container p a {
  color: var(--orange);
  text-decoration: underline;
}

@keyframes stepIn {
  from {
    opacity: 0;
    transform: translateY(20px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.enter-btn {
  display: block;
  margin: 1.5rem auto 0.5rem;
  padding: 1rem 2.5rem;
  background-color: var(--orange);
  color: #000;
  font-weight: bold;
  border: none;
  border-radius: 14px;
  font-size: 1.2rem;
  cursor: pointer;
  transition: 0.3s ease;
  text-align: center;
  text-decoration: none;
  width: fit-content;
}

.enter-btn:hover {
  background-color: #ffa64d;
}

.back-btn {
  display: block;
  width: fit-content;
  margin: 0.5rem auto 2rem;
  font-size: 0.9rem;
  color: #fff;
  text-align: center;
  cursor: pointer;
  text-decoration: underline;
}

#toast {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  background: #222;
  color: #fff;
  padding: 10px 20px;
  border-radius: 8px;
  opacity: 0;
  transition: opacity 0.3s;
  pointer-events: none;
}