/* ============================================
   LAYOUT & NAVIGATION STYLES
   Header, Footer, Containers
   ============================================ */

/* Header */
header {
  background: linear-gradient(135deg, var(--color-dark-gray), #2a2a2a);
  color: var(--color-white);
  padding: 1rem var(--spacing-md);
  box-shadow: var(--shadow-md);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--spacing-lg);
}

.logo {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-white);
  text-decoration: none;
  transition: color var(--transition-normal);
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.logo:hover {
  color: var(--color-pink);
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: linear-gradient(135deg, var(--color-purple), var(--color-pink));
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  color: white;
}

/* Navigation */
nav {
  display: flex;
  gap: var(--spacing-lg);
  align-items: center;
}

nav a {
  color: var(--color-white);
  text-decoration: none;
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition-normal);
  position: relative;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--color-purple), var(--color-pink));
  transition: width var(--transition-normal);
}

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

nav a:hover::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

.menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-normal);
}

.menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* Main Content */
main {
  min-height: calc(100vh - 200px);
  padding: var(--spacing-xl) 0;
}

/* Footer */
footer {
  background: linear-gradient(135deg, var(--color-dark-gray), #2a2a2a);
  color: var(--color-white);
  padding: var(--spacing-2xl) var(--spacing-md);
  margin-top: var(--spacing-2xl);
  border-top: 3px solid var(--color-purple);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h4 {
  color: var(--color-pink);
  margin-bottom: var(--spacing-md);
  font-size: 1.1rem;
}

.footer-section ul {
  list-style: none;
  margin: 0;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--color-white);
  text-decoration: none;
  transition: color var(--transition-normal);
  font-size: 0.95rem;
}

.footer-section a:hover {
  color: var(--color-pink);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--spacing-lg);
  text-align: center;
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.8);
}

.social-links {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  margin-top: var(--spacing-md);
}

.social-links a {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-normal);
  color: var(--color-white);
  font-size: 1.2rem;
}

.social-links a:hover {
  background: var(--color-purple);
  transform: translateY(-3px);
}

/* Containers */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

.container-lg {
  max-width: 1400px;
}

.container-sm {
  max-width: 900px;
}

/* Flex Utilities */
.flex {
  display: flex;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col {
  flex-direction: column;
}

.gap-sm { gap: var(--spacing-sm); }
.gap-md { gap: var(--spacing-md); }
.gap-lg { gap: var(--spacing-lg); }

/* Responsivo */
@media (max-width: 768px) {
  .header-container {
    gap: var(--spacing-md);
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    background: var(--color-dark-gray);
    padding: var(--spacing-lg);
    gap: var(--spacing-md);
    box-shadow: var(--shadow-md);
  }

  nav.active {
    display: flex;
  }

  .menu-toggle {
    display: flex;
  }

  .logo {
    font-size: 1.25rem;
  }

  .logo-icon {
    width: 32px;
    height: 32px;
  }

  main {
    padding: var(--spacing-lg) 0;
  }

  footer {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .footer-grid {
    gap: var(--spacing-lg);
  }
}

@media (max-width: 480px) {
  .header-container {
    gap: var(--spacing-sm);
  }

  .logo {
    font-size: 1rem;
  }

  .logo-icon {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }

  nav {
    padding: var(--spacing-md);
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .social-links {
    gap: var(--spacing-sm);
  }

  .social-links a {
    width: 36px;
    height: 36px;
  }
}
/* ===== MENU HAMBURGUER ===== */
.menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: space-around;
    width: 30px;
    height: 25px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 0;
    z-index: 1000;
}

.menu-toggle span {
    width: 30px;
    height: 3px;
    background: #333;
    border-radius: 10px;
    transition: all 0.3s ease-in-out;
}

/* Animações do botão quando ativo */
.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-20px);
}

.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Responsividade */
@media screen and (max-width: 768px) {
    .menu-toggle {
        display: flex;
    }

    #nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding-top: 40px;
        transition: left 0.3s ease-in-out;
        z-index: 999;
    }

    #nav-menu.active {
        left: 0;
    }

    #nav-menu a {
        color: white !important;
        font-size: 20px;
        margin: 15px 0;
        width: 80%;
        text-align: center;
        padding: 15px !important;
        border-radius: 10px;
        background: rgba(255, 255, 255, 0.1) !important;
    }

    #nav-menu a:hover {
        background: rgba(255, 255, 255, 0.2) !important;
        transform: scale(1.05);
    }

    /* Ajuste para o link de área restrita */
    #nav-menu a[href*="admin"] {
        background: #333 !important;
        color: white !important;
        margin-top: 30px;
    }

    #nav-menu a[href*="admin"]:hover {
        background: #444 !important;
    }

    /* Header precisa de z-index maior */
    header {
        z-index: 1001;
    }
}

/* Para telas muito pequenas */
@media screen and (max-width: 480px) {
    .header-container {
        padding: 0 15px;
    }

    .logo span {
        font-size: 16px;
    }

    #nav-menu a {
        font-size: 18px;
        padding: 12px !important;
    }
}