/* =============================================== */
/* === HEADER SUPERIOR (DESIGN REFINADO)       === */
/* =============================================== */
.top-header {
  height: 75px; 
  flex-shrink: 0;
  background-color: var(--bg-surface);
  border-bottom: 1px solid var(--border-default);
  padding: 0 30px; 
  display: flex;
  align-items: center;
}

.header-content {
  width: 100%;
  display: flex;
  justify-content: flex-end; 
  align-items: center;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem; 
}

/* =============================================== */
/* === BOTÃO CTA (GERAR PROVA) REFEITO         === */
/* =============================================== */
.btn-cta {
  display: flex;
  align-items: center;
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  text-decoration: none;
  transition: all 0.2s ease-in-out;
  background-color: transparent;
}

.btn-cta:hover {
  background-color: var(--color-primary);
  color: var(--text-inverse);
  box-shadow: 0 4px 12px rgba(0, 93, 255, 0.2);
}

.btn-cta i {
  font-size: 1.1em;
}

/* =============================================== */
/* === BOTÃO TOGGLE TEMA                       === */
/* =============================================== */
.btn-theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border: none;
  border-radius: var(--border-radius);
  background-color: var(--bg-surface-secondary);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition-base);
}

.btn-theme-toggle:hover {
  background-color: var(--bg-hover);
  color: var(--color-primary);
  transform: scale(1.05);
}

.btn-theme-toggle:active {
  transform: scale(0.95);
}

.btn-theme-toggle i {
  font-size: 1.25rem;
  /* Transition handled by GSAP */
}

.btn-theme-toggle:hover i {
  transform: rotate(15deg);
}

/* Dark mode: ícone do sol gira ao contrário */
[data-theme="dark"] .btn-theme-toggle:hover i {
  transform: rotate(-15deg);
}

/* =============================================== */
/* === DROPDOWN DE USUÁRIO COM NOVA ANIMAÇÃO   === */
/* =============================================== */
.user-avatar {
  text-decoration: none;
  color: var(--text-secondary);
  cursor: pointer;
  padding: 5px;
  border-radius: 8px;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.user-avatar:hover,
.user-avatar.show {
  color: var(--color-primary);
  background-color: var(--bg-hover);
}

.user-name {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
}

.caret-icon {
  font-size: 0.8em;
  transition: transform 0.3s ease;
}
.user-avatar.show .caret-icon {
  transform: rotate(180deg);
}

.user-dropdown-container .dropdown-menu {
  display: none; 
  position: absolute;
  right: 0; 
  left: auto; 
  z-index: 1050;
  border-radius: 12px; 
  box-shadow: var(--shadow-lg); 
  border: 1px solid var(--border-default); 
  background-color: var(--bg-surface);
  min-width: 260px; 
  padding: 0.75rem;
  margin-top: 0.75rem !important;
  opacity: 0;
  transform: scale(0.95);
  transform-origin: top right; 
  transition: opacity 0.2s ease, transform 0.2s ease;
}

.user-dropdown-container .dropdown-menu.show {
  display: block;
  opacity: 1;
  transform: scale(1);
}

/* === Dropdown Items para Dark Mode === */
.dropdown-menu .dropdown-item {
  color: var(--text-primary);
  border-radius: var(--border-radius);
  transition: background-color var(--transition-fast), color var(--transition-fast);
}

.dropdown-menu .dropdown-item:hover {
  background-color: var(--bg-hover);
  color: var(--color-primary);
}

.dropdown-menu .dropdown-header {
  color: var(--text-primary);
  font-weight: 600;
}

.dropdown-menu .dropdown-divider {
  border-color: var(--border-default);
}