/* ==========================================================================
   ESTILOS: visual.css (Estilos Globais e Temas)
   DESCRIÇÃO: Define os estilos globais, temas (claro/escuro), reset,
              fontes e layout base para header, footer e preloader.
   ATUALIZAÇÃO: 2024-10-27 | Rafael Martiniano
   MODIFICAÇÕES:
     - Adicionado prefixo -webkit- para transições.
     - Removido `transform` duplicado em `.footer-social a:hover svg`.
     - Removida classe `.icon-mask` e estilos associados.
   ========================================================================== */

/* ==== Temas e Variáveis de Cor ==== */
:root {
  /* Tema Claro */
  --color-bg-primary: #f8f9fa;      /* Fundo principal mais suave */
  --color-bg-secondary: #e9ecef;    /* Fundo secundário ajustado */
  --color-border: #dee2e6;          /* Borda ajustada para o novo fundo */
  --color-text-primary: #24292e;
  --color-text-secondary: #586069;
  --color-accent: #0366d6;
  --color-accent-hover: #005cc5;
  --color-card-bg: #ffffff;         /* Cards brancos para contraste */
  --color-card-bg-hover: #f0f2f5;
  --shadow-color: rgba(0, 0, 0, 0.1);
  --color-cube: #e9ecef;
}

[data-theme='dark'] {
  /* Tema Escuro */
  --color-bg-primary: #0d1117;
  --color-bg-secondary: #161b22;
  --color-border: #21262d;
  --color-text-primary: #e6edf3;
  --color-text-secondary: #8b949e;
  --color-accent: #58a6ff;
  --color-accent-hover: #79c0ff;
  --color-card-bg: #21262d;
  --color-card-bg-hover: #2d333b;
  --shadow-color: rgba(88, 166, 255, 0.07);
  --color-cube: rgba(255, 255, 255, 0.15);
}

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

/* ==== Fontes ==== */
@font-face {
  font-family: 'Montserrat';
  src: url('../fonte/Montserrat[wght].ttf') format('truetype');
  font-weight: 400 700;
}
@font-face {
  font-family: 'Roboto';
  src: url('../fonte/Roboto[wdth,wght].ttf') format('truetype');
  font-weight: 400 700;
}
@font-face {
  font-family: 'Source Code Pro';
  src: url('../fonte/SourceCodePro[wght].ttf') format('truetype');
  font-weight: 400 700;
}

/* ==== Estilos Globais ==== */
body {
  font-family: 'Roboto', Arial, sans-serif;
  background: var(--color-bg-primary);
  color: var(--color-text-primary);
  line-height: 1.6;
  -webkit-transition: background 0.3s, color 0.3s;
  transition: background 0.3s, color 0.3s;
  padding-bottom: 120px; /* Espaço para o rodapé fixo */
}

h1, h2, h3, .page-hero h1 {
  font-family: 'Montserrat', Arial, sans-serif;
}

code, pre {
  font-family: 'Source Code Pro', monospace;
}

/* ==== Header & Footer ==== */
header {
  background: var(--color-bg-secondary);
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--color-border);
  display: grid; /* Alterado para grid para consistência com o mobile */
  grid-template-columns: auto 1fr auto; /* [Logo] [Nav] [Ações] */
  align-items: center;
}

.logo-link-wrapper {
  display: inline-block;
  position: relative;
  grid-column: 1; /* Garante que o logo fique na primeira coluna */
}

.logo-container {
  position: relative;
}

.logo-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  cursor: pointer; /* Mantém o cursor de link */
}

.header-logo {
  height: 40px;
  width: auto;
}

nav {
  grid-column: 2; /* A navegação ocupa a coluna central */
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
  grid-column: 3; /* As ações ficam na terceira coluna */
  justify-self: end; /* Alinha as ações à direita */
}

#theme-toggle {
  background: transparent;
  border: 1px solid var(--color-border);
  color: var(--color-text-primary);
  cursor: pointer;
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-size: 1.2rem;
  display: flex;
  justify-content: center;
  align-items: center;
  transition: background-color 0.2s, color 0.2s;
  position: relative; /* Garante o contexto de posicionamento para os ícones */
}

#theme-toggle:hover {
  background-color: var(--color-border);
}

nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

nav a {
  color: var(--color-text-primary);
  text-decoration: none;
  font-weight: 500;
}

nav a:hover { color: var(--color-accent); }

/* ==========================================================================
   ESTILOS: Footer (Rodapé)
   ========================================================================== */

footer {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: 1.5rem 2rem;
  z-index: 1000;
  transition: background-color 0.3s ease;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer-col {
  flex: 1;
}

/* 1. Coluna Esquerda (Copyright) */
.footer-info {
  text-align: left;
  font-size: 0.85rem;
  color: var(--color-text-secondary);
}

/* 2. Coluna Central (Tecnologias) */
.footer-tech {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.footer-tech h4 {
  margin: 0 0 0.8rem 0;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.tech-icons {
  display: flex;
  gap: 0.8rem;
}

.tech-icons a {
  color: var(--color-text-secondary);
  transition: color 0.3s ease;
}

.tech-icons svg {
  height: 22px;
  width: auto;
  fill: currentColor;
  transition: transform 0.3s ease;
}

.tech-icons a:hover {
  color: var(--color-accent);
}

.tech-icons a:hover svg {
  transform: scale(1.1);
}

/* 3. Coluna Direita (Social) */
.footer-social {
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
}

.footer-social a {
  color: var(--color-text-secondary);
  -webkit-transition: color 0.3s;
  transition: color 0.3s;
}

.footer-social svg {
  height: 24px; /* Altura para os ícones sociais */
  fill: currentColor;
}

.footer-social a:hover {
  color: var(--color-accent);
}

.footer-social a:hover svg {
  -webkit-transform: scale(1.1);
}

/* ==== Hero Global ==== */
.page-hero {
  background: linear-gradient(135deg, var(--color-bg-secondary), var(--color-bg-primary));
  padding: 3rem 2rem;
  text-align: center;
  border-bottom: 2px solid var(--color-border);
  margin-bottom: 2rem;
}

.page-hero h1 {
  font-family: 'Montserrat', sans-serif;
  font-size: 2.2rem;
  margin-bottom: 0.5rem;
}

.page-hero p { color: var(--color-text-secondary); }

.container {
  max-width: 900px;
  margin: 2rem auto;
  padding: 0 1.5rem;
}

/* Destaque para citações ou frases pessoais */
.sobre-citacao {
  font-style: italic;
  color: var(--color-accent);
  border-left: 4px solid var(--color-accent);
  padding-left: 1rem;
  margin: 2rem 0;
}

/* ==== Fundo Animado do Preloader ==== */
#preloader-background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  overflow: hidden;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-content: center;
  z-index: 1; /* Garante que o fundo fique atrás */
}

.preloader-box {
  width: 10vw;
  height: 10vw;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid rgba(255, 255, 255, 0.03);
  animation: preloader-rotate 15s linear infinite;
}

@keyframes preloader-rotate {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
}

/* ==== Conteúdo do Preloader ==== */
.preloader-content {
  position: relative;
  z-index: 10; /* Garante que o conteúdo fique na frente */
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 2rem;
}

#preloader-login-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1rem;
  width: 100%;
  max-width: 320px;
}

#preloader-name-input, #preloader-enter-btn {
  width: 100%;
  padding: 0.8rem;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  background: var(--color-bg-secondary);
  color: var(--color-text-primary);
  font-size: 1rem;
}

#preloader-name-input::placeholder {
  color: var(--color-text-secondary);
}

#preloader-enter-btn {
  background: var(--color-accent);
  color: var(--color-bg-primary);
  font-weight: 600;
  cursor: pointer;
  border: none;
}

#preloader-privacy-note {
  font-size: 0.8rem;
  color: var(--color-text-secondary);
}

#preloader-final-message {
  color: var(--color-text-primary);
  font-size: 1.1rem;
  text-align: center;
  max-width: 400px;
}


/* ==== Barra Superior do Preloader ==== */
#preloader-top-bar {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.5rem 2rem;
  display: flex;
  justify-content: center; /* Centraliza o conteúdo */
  align-items: center;
  z-index: 10;
}

#preloader-clock {
  font-family: 'Source Code Pro', monospace;
  font-size: 1rem;
  color: var(--color-text-secondary);
}

#preloader-tod-icon {
  width: 30px;
  height: 30px;
  position: absolute; /* Posicionamento absoluto em relação à barra */
  right: 2rem;
}

.sun, .moon {
  opacity: 0;
  transform: scale(0.8);
  position: absolute;
  width: 100%;
  height: 100%;
  transition: opacity 0.5s ease-in-out, transform 0.5s ease-in-out;
}

.sun.visible, .moon.visible {
  opacity: 1;
  transform: scale(1);
}

.sun {
  background: #FFD700;
  border-radius: 50%;
  box-shadow: 0 0 8px #FFD700, 0 0 15px #FFD700;
}

.moon {
  border-radius: 50%;
  box-shadow: -4px 4px 0 0 var(--color-text-primary);
  transform: rotate(45deg) scale(1);
}

/* ==== Visibilidade do Preloader ==== */
#preloader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg-primary);
  z-index: 9999;
  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  -webkit-transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
  transition: opacity 0.8s ease-in-out, visibility 0.8s ease-in-out;
}

#preloader.hidden {
  opacity: 0;
  visibility: hidden;
}

#preloader.preloader-inactive {
  display: none;
}

/* ==== Responsividade do Rodapé ==== */
@media (max-width: 768px) {
  body {
    padding-bottom: 180px; /* Aumenta o espaço para o rodapé em telas menores */
  }

  footer {
    flex-direction: column;
    text-align: center;
    gap: 1.5rem;
  }

  .footer-col {
    width: 100%;
    text-align: center;
  }

  .footer-tech, .footer-social {
    justify-content: center;
  }
}