:root {
    --primary-color: #ff7f40; 
    --secondary-color: #007bff; 
    --seondary-color-hover: #0056b3; 
    --text-color: #333;
    --footer-bg: #f3f4f6;
}


body {
  font-family: 'Arial', sans-serif;
  margin: 0;
  padding: 0;
  background-color: #f4f4f4; 
  color: #333; 
}
.navbar {
    background-color: var(--primary-color);
}
.navbar-brand, .navbar-nav .nav-link {
    color: white !important;
    font-size: 1.1rem;
    font-weight: bold;
    transition: color 0.3s ease;
}
.navbar-nav .nav-link:hover {
    color: var(--secondary-color) !important;
}
.btn-logout {
    background-color: var(--secondary-color);
    color: white;
    font-size: 1rem;
    padding: 0.3rem 1rem;
    border: none;
    transition: background-color 0.3s ease;
    cursor: pointer; 
}
.btn-primary {
    background-color: var(--primary-color);
    color: white;
    font-size: 1rem;
    padding: 0.3rem 1rem;
    border: none;
    transition: background-color 0.3s ease;
    cursor: pointer; 
}
.btn-secondary {
    background-color: var(--secondary-color);
    color: white;
    font-size: 1rem;
    padding: 0.3rem 1rem;
    border: none;
    transition: background-color 0.3s ease;
    cursor: pointer; 
}
.btn-logout:hover {
    background-color: var(--seondary-color-hover); 
    cursor: pointer; 
}
.footer {
    background-color: var(--footer-bg);
    color: var(--text-color);
    padding: 10px 0;
    text-align: center; 
    bottom: 0;
    width: 100%;
}
h1.display-4 {
    color: var(--secondary-color);
}
main {
    margin-top: 1.5rem;
}


.navbar {
    padding: 0.75rem 0;
}


.role-toggle {
    background-color: rgba(255, 255, 255, 0.15);
    border-radius: var(--border-radius);
    position: relative;
}


.role-indicator {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: inline-block;
    margin-right: 0.5rem;
}

.role-professor .role-indicator.professor {
    background-color: var(--professor-color, #4e73df);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}

.role-aluno .role-indicator.aluno {
    background-color: var(--aluno-color, #1cc88a);
    box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.3);
}


.dropdown-header {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 0.03em;
}


.dropdown-item.active,
.dropdown-item:active {
    background-color: var(--primary-color);
    color: white;
}


@media (max-width: 991.98px) {
    .navbar-nav .dropdown-menu {
        border: none;
        background-color: rgba(255, 255, 255, 0.05);
        margin-left: 1rem;
    }

    .role-toggle {
        display: inline-block;
        width: auto;
        margin-top: 0.5rem;
    }

    .navbar-nav .nav-link {
        padding: 0.5rem 1rem;
    }
}


.user-menu .dropdown-menu {
    min-width: 220px;
}

.divider-text {
    text-align: center;
    position: relative;
    color: #6c757d;
    font-size: 0.9rem;
}

.divider-text::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 1px;
    background: #dee2e6;
    z-index: 1;
}

.divider-text span {
    background: white;
    padding: 0 1rem;
    position: relative;
    z-index: 2;
}

.social-providers-row-compact {
    display: flex;
    gap: 0.75rem;
    justify-content: center;
}

.btn-social-icon {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fafbfc;
    border: 1px solid #e8ecf0;
    color: #6b7280;
    text-decoration: none;
    font-size: 1.2rem;
    transition: all 0.25s ease;
}

.btn-social-icon:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

.btn-google:hover { background: #4285f4; color: white; border-color: #4285f4; }
.btn-facebook:hover { background: #1877f2; color: white; border-color: #1877f2; }
.btn-microsoft:hover { background: #0078d4; color: white; border-color: #0078d4; }