body {
    background-color: #f9fafb;
}
.profile-page-container {
    max-width: 800px;
    margin: 2rem auto;
    padding: 2rem;
    background-color: #fff;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}
.tab-nav {
    display: flex;
    border-bottom: 2px solid #e5e7eb;
    margin-bottom: 1.5rem;
}
.tab-link {
    padding: 0.75rem 1.5rem;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 1rem;
    font-weight: 600;
    color: #6b7280;
    margin-bottom: -2px;
    border-bottom: 2px solid transparent;
}
.tab-link.active {
    color: #008000;
    border-bottom-color: #008000;
}
.tab-pane {
    display: none;
}
.tab-pane.active {
    display: block;
}
.profile-form .form-group {
    margin-bottom: 1.5rem;
}
.profile-form label {
    display: block;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #374151;
}
.profile-form input[type="text"] {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 1rem;
}
.form-actions {
    text-align: right;
}
.status-message {
    text-align: center;
    font-weight: 600;
    padding: 1rem;
    margin-top: 1rem;
    border-radius: 6px;
    display: none;
}
.status-message.success {
    background-color: #d1fae5;
    color: #065f46;
    display: block;
}
.status-message.error {
    background-color: #fee2e2;
    color: #991b1b;
    display: block;
}
.profile-form textarea {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    line-height: 1.5;
}
.section-description {
    margin-top: -0.5rem;
    margin-bottom: 1.5rem;
    color: #6b7280;
    font-size: 0.9rem;
}