/* ===========================
   VARIÁVEIS E RESET
   =========================== */

:root {
  --netflix-black: #141414;
  --netflix-red: #e50914;
  --netflix-red-hover: #f40612;
  --text-primary: #ffffff;
  --text-secondary: #888888;
  --border-color: #404040;
  --transition: all 0.3s ease;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/* Utilitário de acessibilidade: esconder visualmente mas manter acessível ao leitor de tela */
.sr-only {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

body {
  font-family: 'Segoe UI', Trebuchet MS, sans-serif;
  background-color: var(--netflix-black);
  color: var(--text-primary);
  line-height: 1.6;
}

/* Tema claro: sobrescreve variáveis quando `body[data-theme="light"]` é aplicado. */
body[data-theme="light"] {
  --netflix-black: #f4f4f4;
  --text-primary: #111111;
  --text-secondary: #555555;
  --border-color: #dddddd;
  --netflix-red: #d62828;
}

/* ===========================
  HEADER
   =========================== */

header {
  background: linear-gradient(180deg, var(--netflix-black) 0%, rgba(20, 20, 20, 0.8) 100%);
  padding: 40px 20px;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 60px;
  position: relative;
}

header h1 {
  font-size: clamp(1.5rem, 4vw, 3rem);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: capitalize;
  background: linear-gradient(135deg, var(--netflix-red), #ff6b6b);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: fadeInDown 0.8s ease;
}

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

/* Botão de alternância de tema */
#theme-toggle {
  position: absolute;
  right: 18px;
  top: 18px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid var(--border-color);
  padding: 6px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
}

#theme-toggle:hover { background: rgba(255,255,255,0.03); transform: translateY(-1px); }

/* ===========================
  MAIN
   =========================== */

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* ===========================
  SEÇÃO DE PERFIS
   =========================== */

.profiles {
  /* lista de perfis: transforma a lista em um grid responsivo */
  list-style: none;
  padding: 0;
  margin: 0 0 80px 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 30px;
  justify-items: center;
  animation: fadeIn 1s ease 0.3s both;
}

@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* ===========================
  CARD DE PERFIL
   =========================== */

.profile {
  display: flex;
  flex-direction: column;
  align-items: center;
  cursor: pointer;
  transition: var(--transition);
  transform-origin: center;
}

.profile:hover { transform: scale(1.05); }

.profile figure {
  position: relative;
  width: 160px;
  max-width: 100%;
  aspect-ratio: 1 / 1;
  cursor: pointer;
  margin-bottom: 15px;
}

/* Links de perfil ocupam todo o card e herdam cores */
.profile-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

.profile img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 8px;
  border: 2px solid transparent;
  transition: var(--transition);
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.6);
}

.profile:hover img {
  border-color: var(--netflix-red);
  box-shadow: 0 12px 24px rgba(229, 9, 20, 0.4);
  transform: scale(0.98);
}

.profile figcaption {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-secondary);
  transition: var(--transition);
  text-align: center;
}

.profile:hover figcaption { color: var(--netflix-red); transform: translateY(-5px); font-size: 1.05rem; }

.gerenciar {
  margin-top: 20px;
  text-align: center;
}

.botao-gerenciar {
    text-align: center;
    background: transparent;
    border: 1px solid grey;
    color: grey;
    padding: 20px 40px;
    font-size: 1vw;
    text-transform: uppercase;
    letter-spacing: 2px;
    cursor: pointer;
    font-weight: 200;
    transition: all 0.3s;
}

.gerenciar:hover {
    border-color: #e5e5e5;
    color: #e5e5e5;
}


/* ===========================
  FOOTER
   =========================== */

footer {
  background: var(--netflix-black);
  border-top: 1px solid var(--border-color);
  padding: 40px 20px;
  text-align: center;
  margin-top: 80px;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

footer p { margin: 0; transition: var(--transition); }
footer p:hover { color: var(--netflix-red); }

/* ===========================
  RESPONSIVO - TABLETS
   =========================== */

@media (max-width: 768px) {
  header h1 { font-size: 2rem; }
  .profiles { grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 30px; }
  .profile figcaption { font-size: 0.9rem; }
  #theme-toggle { right: 14px; top: 14px; }
}

/* ===========================
   RESPONSIVO - MOBILE
   =========================== */

@media (max-width: 480px) {
  header { padding: 30px 15px; margin-bottom: 40px; }
  header h1 { font-size: 1.5rem; }
  .profiles { grid-template-columns: repeat(auto-fit, minmax(100px, 1fr)); gap: 20px; margin-bottom: 60px; }
  main { padding: 0 15px; }
  footer { padding: 30px 15px; margin-top: 60px; }
  .profile figcaption { font-size: 0.85rem; }
  #theme-toggle { right: 10px; top: 10px; padding: 5px 8px; }
}

/* ===========================
   ACESSIBILIDADE
   =========================== */

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; animation-iteration-count: 1 !important; transition-duration: 0.01ms !important; }
}

/* ===========================
   FOCUS ESTADOS (Acessibilidade)
   =========================== */

.profile:focus-within img, .profile:focus-within figcaption { outline: 2px solid var(--netflix-red); outline-offset: 2px; }