/* ========================================
   NAVEGAÇÃO - BARRA DE TABS
   ======================================== */
.navigation-bar {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: #fff;
  padding: 0 20px;
  border-bottom: 2px solid #ccc;
  display: flex;
  align-items: center;
  gap: 24px;
}

.tabs-list {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  flex: 1;
}

.nav-session {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 220px;
}

.nav-session-link,
.nav-session-user {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 13px;
  font-weight: 700;
  color: #35516d;
  text-decoration: none;
  white-space: nowrap;
}

.nav-session-link {
  color: #b23b2c;
}

.tab-item {
  position: relative;
  background: linear-gradient(to bottom, #ffffff 0%, #f0f0f0 100%);
  margin-right: -20px;
  padding: 15px 40px;
  border: 1px solid #ddd;
  border-bottom: none;
  border-radius: 20px 20px 0 0;
  transform: skewX(25deg);
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.8);
  transition: all 0.3s ease;
}

.tab-item a {
  display: block;
  text-decoration: none;
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  font-size: 12px;
  font-weight: bold;
  color: #5a8ec9;
  transform: skewX(-25deg);
  text-align: center;
  white-space: nowrap;
}

/* Cores específicas das abas */
.tab-item:nth-child(2) a { color: #4db3a2; }
.tab-item:nth-child(3) a { color: #6a89cc; }
.tab-item:nth-child(4) a { color: #82589f; }

.tab-item:hover {
  background: linear-gradient(to bottom, #ffffff, #e6e6e6);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.8);
  z-index: 10;
}

.tab-item.active {
  background: #ffffff;
  color: #007acc;
  z-index: 15;
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.8);
}