* {
  box-sizing: border-box;
}

:root {
  color-scheme: dark;
  font-family: Arial, Helvetica, sans-serif;
}

body {
  margin: 0;
  min-height: 100vh;
  background: #0b0d10;
  color: #f2f4f7;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  padding: 22px 5%;
  background: rgba(11, 13, 16, 0.94);
  border-bottom: 1px solid #242932;
  backdrop-filter: blur(12px);
}

h1 {
  margin: 0;
  font-size: 26px;
}

.topbar p {
  margin: 5px 0 0;
  color: #9299a5;
  font-size: 14px;
}

#pesquisa {
  width: min(360px, 45vw);
  padding: 13px 16px;
  border: 1px solid #303640;
  border-radius: 12px;
  outline: none;
  background: #15181d;
  color: white;
  font-size: 15px;
}

#pesquisa:focus {
  border-color: #6d7cff;
}

main {
  width: 90%;
  max-width: 1600px;
  margin: 30px auto 60px;
}

.grade-videos {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 22px;
}

.card {
  overflow: hidden;
  border: 1px solid #272c34;
  border-radius: 16px;
  background: #14171c;
  box-shadow: 0 8px 25px rgba(0,0,0,.18);
  transition: transform .2s ease, border-color .2s ease;
}

.card:hover {
  transform: translateY(-3px);
  border-color: #454c59;
}

.video-wrapper {
  position: relative;
  aspect-ratio: 16 / 9;
  background: #050607;
  cursor: pointer;
}

.video-wrapper video {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: contain;
  background: #000;
}

.numero {
  position: absolute;
  top: 10px;
  left: 10px;
  padding: 5px 9px;
  border-radius: 8px;
  background: rgba(0,0,0,.72);
  font-size: 12px;
  font-weight: bold;
  pointer-events: none;
}

.card-info {
  padding: 15px;
}

.card-info h2 {
  margin: 0 0 7px;
  font-size: 17px;
}

.card-info p {
  margin: 0;
  color: #9299a5;
  font-size: 13px;
  line-height: 1.45;
}

.botao-abrir {
  width: 100%;
  margin-top: 13px;
  padding: 10px;
  border: 0;
  border-radius: 9px;
  background: #252a33;
  color: white;
  cursor: pointer;
  font-weight: bold;
}

.botao-abrir:hover {
  background: #343b47;
}

.sem-resultados {
  padding: 50px;
  text-align: center;
  color: #9299a5;
}

.modal[hidden] {
  display: none;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 25px;
}

.modal-fundo {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.82);
}

.modal-conteudo video {
  display: block;
  width: 100%;
  max-height: 78vh;
  background: #000;
  object-fit: contain;
}

.modal-conteudo h2 {
  margin: 0 45px 15px 0;
}

.modal-conteudo video {
  display: block;
  width: 100%;
  max-height: 78vh;
  background: black;
}

.botao-fechar {
  position: absolute;
  top: 12px;
  right: 14px;
  width: 38px;
  height: 38px;
  border: 0;
  border-radius: 50%;
  background: #252a33;
  color: white;
  font-size: 26px;
  line-height: 1;
  cursor: pointer;
}

@media (max-width: 1200px) {
  .grade-videos {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 850px) {
  .topbar {
    align-items: stretch;
    flex-direction: column;
  }

  #pesquisa {
    width: 100%;
  }

  .grade-videos {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 560px) {
  main {
    width: 94%;
  }

  .grade-videos {
    grid-template-columns: 1fr;
  }

  .modal {
    padding: 10px;
  }
}