body {
  margin: 0;
  font-family: 'Roboto', Arial, sans-serif;
  background: #000;
  color: #fff;
  height: 100vh;
  overflow: hidden;
}
.sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: 320px;
  height: 100vh;
  background: #c62828;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  z-index: 2;
}
.logo-container {
  width: 100%;
  padding: 40px 0 20px 0;
  display: flex;
  justify-content: center;
}
.logo {
  width: 200px;
  height: auto;
}
.categories {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 30px;
  margin-top: 40px;
  padding-left: 40px;
}
.category {
  font-size: 2rem;
  color: #fff;
  opacity: 0.8;
  cursor: pointer;
  transition: opacity 0.2s;
}
.category.active, .category:hover {
  opacity: 1;
  font-weight: bold;
}
.main-content {
  margin-left: 320px;
  height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  position: relative;
}
.banner-rotativo {
  width: 700px;
  height: 270px;
  margin: 40px auto 30px auto;
  background: #ffe600;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  overflow: hidden;
}
.channels {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  justify-content: flex-start;
  align-items: flex-start;
  width: 900px;
  min-height: 350px;
}
.channel {
  width: 120px;
  height: 120px;
  background: #111;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: box-shadow 0.2s, transform 0.2s;
  box-shadow: 0 2px 8px #0008;
}
.channel img {
  max-width: 90px;
  max-height: 90px;
  object-fit: contain;
}
.channel:hover {
  box-shadow: 0 4px 16px #c62828cc;
  transform: scale(1.05);
}
.actions {
  position: absolute;
  bottom: 40px;
  right: 60px;
  display: flex;
  gap: 40px;
}
.actions button {
  background: #c62828;
  color: #fff;
  font-size: 1.5rem;
  border: none;
  border-radius: 4px;
  padding: 18px 40px;
  cursor: pointer;
  font-weight: bold;
  transition: background 0.2s;
}
.actions button:hover {
  background: #b71c1c;
}
.video-modal {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.95);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
  flex-direction: column;
}
.video-modal.hidden {
  display: none;
}
#video-player {
  width: 80vw;
  height: 70vh;
  background: #000;
  border-radius: 8px;
}
#close-video {
  position: absolute;
  top: 40px;
  right: 60px;
  background: #c62828;
  color: #fff;
  border: none;
  font-size: 2rem;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  cursor: pointer;
  z-index: 11;
}