/* =====================
   Fonte, cores e base
===================== */
:root {
  --neon: #0f0;
  --accent: #f39c12;
}

* { box-sizing: border-box; }

body {
  font-family: Arial, sans-serif;
  line-height: 1.6;
  background-color: transparent;
  color: var(--neon);
  margin: 0;
  padding: 0;
}

/* =====================
   Vídeo de fundo
===================== */
.video-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: -1;
  pointer-events: none;
}

/* =====================
   Header
===================== */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 20;
  background-color: rgba(0,0,0,0.28);
  color: var(--neon);
  text-align: center;
  padding: 40px 20px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  text-shadow: 0 0 5px var(--neon), 0 0 10px var(--neon);
}

/* =====================
   Navbar
===================== */
.navbar, .navbar-dark .navbar-nav .nav-link {
  position: relative;
  z-index: 25;
  font-weight: bold;
}
.navbar-dark .navbar-nav .nav-link {
  color: var(--neon);
  transition: color .25s;
}
.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link.active {
  color: var(--accent);
}
.navbar-brand {
  color: var(--neon) !important;
  text-shadow: 0 0 5px var(--neon), 0 0 10px var(--neon);
  font-weight: bold;
}

/* =====================
   Abas (containers)
===================== */
.aba {
  position: relative;
  z-index: 15;
  background-color: rgba(0,0,0,0.18);
  padding: 20px;
  border-radius: 10px;
  color: var(--neon);
  backdrop-filter: blur(5px);
  margin: 200px auto 20px auto;
  max-width: 1000px;
  display: none;
}

/* =====================
   Cards
===================== */
.card {
  background: rgba(0,0,0,0.22);
  border-radius: 8px;
  border: 1px solid var(--neon);
  color: var(--neon);
  transition: transform .28s ease, box-shadow .28s ease, background-color .28s ease;
  cursor: default;
  opacity: 1;
  transform: translateY(0);
  text-shadow: 0 0 3px var(--neon);
}
#projetos .card {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .42s ease, transform .42s ease;
  cursor: pointer;
}
#projetos .card.fade-in {
  opacity: 1;
  transform: translateY(0);
}
.card:hover { transform: none !important; transition: none !important; }

/* =====================
   Widgets Hacker News & Curiosidades
===================== */
.hn-container, #curiosidade-container {
  position: fixed;
  top: 140px;
  width: 320px;
  max-height: 60vh;
  z-index: 30;
  background: rgba(0,0,0,0.18);
  border: 1px solid var(--neon);
  border-radius: 10px;
  padding: 8px;
  color: var(--neon);
  display: flex;
  flex-direction: column;
  transition: transform .22s ease, opacity .22s ease;
  overflow: hidden;
}

/* Posição: HN direita / Curiosidades esquerda */
.hn-container { right: 20px; }
#curiosidade-container { left: 20px; }

/* Cabeçalho e conteúdo */
.hn-header, #curiosidade-container .hn-header {
  display: flex;
  gap: 8px;
  align-items: center;
}
.hn-header .hn-title, #curiosidade-container .hn-title {
  font-weight: 600;
  color: var(--accent);
  text-shadow: 0 0 5px var(--accent);
}
.hn-content, #curiosidade-container .hn-content {
  overflow-y: auto;
  padding-top: 8px;
}
.hn-list { list-style:none; padding-left:0; margin:0; }
.hn-list li { padding:6px 4px; border-bottom: 1px solid rgba(0,255,0,0.06); }
.hn-list li a { color: var(--neon); text-decoration: none; font-weight:600; display:block; }
.hn-list li .meta { font-size: .8rem; color: rgba(0,255,0,0.6); margin-top:4px; }
.hn-loading { color: var(--neon); padding: 10px 4px; }
.hn-footer { text-align:center; padding:6px 0; font-size: .75rem; color: rgba(0,255,0,0.6); }

/* Collapsed state */
.hn-container.collapsed .hn-content,
#curiosidade-container.collapsed .hn-content { display: none; opacity: 0; }

/* =====================
   Footer
===================== */
footer {
  position: relative;
  z-index: 15;
  background-color: rgba(0,0,0,0.14);
  color: var(--neon);
  text-align: center;
  padding: 15px 10px;
  backdrop-filter: blur(5px);
}
main { padding-top: 160px; }

/* =====================
   Media Queries - Responsivo
===================== */
@media (max-width: 992px) {
  /* Esconde widgets para tablet / mobile */
  .hn-container, #curiosidade-container { display: none !important; }
}

@media (max-width: 576px) {
  /* Curiosidade centralizada como modal opcional */
  #curiosidade-container {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90%;
    max-height: 80%;
    z-index: 50;
  }
  #curiosidade-container .hn-content { max-height: 70vh; }
}